Re: Predictable network device names [was: Please help me identify package so I can report an important bug

[tomas]

On Thu, Jun 13, 2024 at 06:59:49AM +0200, Kamil Jońca wrote:
> to...@tuxteam.de writes:

[...]

> > and of course, if you are using a desktop environment and NetworkManager
> > or systemd-networkd, it's probably better to go with the flow and let
> > them do.
> 
> About year ago none of them was able to handle my config.
> (Some interfaces used by vms , and proper snat for them.)

I've supported those only for pretty bog standard setups. Mainly end users
who have to cope with longer stretches without local friendly hackers.

I don't believe they are useful for special situations or knowledgeable
users.

Cheers
-- 
t


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Re: Predictable network device names [was: Please help me identify package so I can report an important bug

[Kamil Jońca]

to...@tuxteam.de writes:

> On Thu, Jun 13, 2024 at 06:30:27AM +0200, to...@tuxteam.de wrote:
>
> [following up on myself, bad style, I know]
>
>> For my laptop, I very much prefer to say "sudo ifup eth0" than to
>> say "sudo ifup en0ps&&@*#!☠" thankyouverymuch :)
>
> and of course, if you are using a desktop environment and NetworkManager
> or systemd-networkd, it's probably better to go with the flow and let
> them do.

About year ago none of them was able to handle my config.
(Some interfaces used by vms , and proper snat for them.)


KJ

-- 
http://wolnelektury.pl/wesprzyj/teraz/

Predictable network device names [was: Please help me identify package so I can report an important bug

[tomas]

On Thu, Jun 13, 2024 at 06:30:27AM +0200, to...@tuxteam.de wrote:

[following up on myself, bad style, I know]

> For my laptop, I very much prefer to say "sudo ifup eth0" than to
> say "sudo ifup en0ps&&@*#!☠" thankyouverymuch :)

and of course, if you are using a desktop environment and NetworkManager
or systemd-networkd, it's probably better to go with the flow and let
them do.

Cheers
-- 
t


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Re: Please help me identify package so I can report an important bug

[tomas]

On Wed, Jun 12, 2024 at 03:16:41PM -0400, Greg Wooledge wrote:
> On Wed, Jun 12, 2024 at 09:01:44PM +0200, to...@tuxteam.de wrote:

[...]

> > Mine loks like this:
> > 
> >   GRUB_CMDLINE_LINUX_DEFAULT="quiet net.ifnames=0"
> 
> People who are thinking of doing this should take a moment to consider
> whether it will be better or worse than the default.

Absolutely. I did, and I decided that in my case, this is the better
choice...

> For a machine that has exactly one ethernet interface, this is a vast
> improvement over the default.  Your interface will always be named
> "eth0" no matter what crazy things happen on the PCI bus.

...but it's not always, as you say.

> For a machine with multiple interfaces, however, the original problem
> that "predictable interface names" were supposed to solve is still an
> issue.  The kernel may not assign the names in the same order every
> time you boot.  In that situation, "net.ifnames=0" is not likely to
> be an improvement.  You'd be better off using systemd.link(5) files to
> customize your interface names according to your own specific needs.

I think PCI is not the worst offender. The worst is if you have a bunch
of adapters hanging off an USB tree. Then, as they say, God does play
dice :-)

Back Then (TM) (I think it was a Debian 3.x aka Sarge), a bunch of
us cobbled a "router thingy" together on some off-the-shelf hardware.
It had four Ethernets hanging off whatever PC bus was fashionable
back then (too lazy to look it up).

Not many of those were sold, luckily :-)

One was for "the bad Internet", the other three for "the inside".
Our big fear was that, after a BIOS upgrade the interfaces would
come up in a mangled order. That would have been a good application
of this scheme (provided it works at all: I'm somewhat sceptic.
Hardware and firmware are known to do... things).

We ended up going by the card's MAC addresses, at the price of
having a set up step on assembly. But then, if you change one
Ethernet card...

Alas, you can't do it right.

For my laptop, I very much prefer to say "sudo ifup eth0" than to
say "sudo ifup en0ps&&@*#!☠" thankyouverymuch :)

Cheers
-- 
t


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Re: Please help me identify package so I can report an important bug

[debian-user]

Richard  wrote:
> Good catch. With the title of this thread and not seeing any proper
> description of what's actually wrong on GitHub, I figured the change
> of the adapter name was meant. Yes, with MAC randomization, that's
> what you'll get. But it's nothing Debian defaults to. So question is,
> can this be disabled on Proxmox? But with this hint, it should be
> easy enough to figure out if this can be deactivated on the affected
> systems, and if not the bug reports must be against these issues, as
> Debian itself doesn't do such things. If it is an issue with Debian
> preventing the disablement, the devs need to talk to each other.
> 
> Richard
> 
> Am Mi., 12. Juni 2024 um 17:10 Uhr schrieb Jeffrey Walton <
> noloa...@gmail.com>:  
> 
> > The random MAC address discussed in the bug report (with mention of
> > Network Manager) could be
> > <
> > https://blogs.gnome.org/thaller/2016/08/26/mac-address-spoofing-in-networkmanager-1-4-0/
> >   
> > >.  
> >
> > Jeff

I think before anybody else suggests anything, they should read
https://lore.kernel.org/netdev/20240326092459.gg403...@kernel.org/T/

Re: Please help me identify package so I can report an important bug

[Greg Wooledge]

On Wed, Jun 12, 2024 at 09:01:44PM +0200, to...@tuxteam.de wrote:
> No need. You can have your traditional names (I do). Just add
> "net.ifnames=0" (if necessry separated by a space, should
> other stuff be already there) to your GRUB_CMDLINE_LINUX_DEFAULT
> in your /etc/default/grub, then ru update-grub.
> 
> Mine loks like this:
> 
>   GRUB_CMDLINE_LINUX_DEFAULT="quiet net.ifnames=0"

People who are thinking of doing this should take a moment to consider
whether it will be better or worse than the default.

For a machine that has exactly one ethernet interface, this is a vast
improvement over the default.  Your interface will always be named
"eth0" no matter what crazy things happen on the PCI bus.

For a machine with multiple interfaces, however, the original problem
that "predictable interface names" were supposed to solve is still an
issue.  The kernel may not assign the names in the same order every
time you boot.  In that situation, "net.ifnames=0" is not likely to
be an improvement.  You'd be better off using systemd.link(5) files to
customize your interface names according to your own specific needs.

> > > https://wiki.debian.org/NetworkInterfaceNames

Re: Please help me identify package so I can report an important bug

[tomas]

On Wed, Jun 12, 2024 at 02:30:40PM -0400, Roy J. Tellason, Sr. wrote:
> On Wednesday 12 June 2024 06:54:54 am Richard wrote:
> > But also, just
> > searching the web for this topic, you should have come across this
> > answering your questions: https://wiki.debian.org/NetworkInterfaceNames
> > 
> 
> Wow.  Just wow...
> 
> That sort of thing just drives me crazy!  :-)
> 
> I can see sticking with older versions of some things.

No need. You can have your traditional names (I do). Just add
"net.ifnames=0" (if necessry separated by a space, should
other stuff be already there) to your GRUB_CMDLINE_LINUX_DEFAULT
in your /etc/default/grub, then ru update-grub.

Mine loks like this:

  GRUB_CMDLINE_LINUX_DEFAULT="quiet net.ifnames=0"

Cheers
-- 
t


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Re: Please help me identify package so I can report an important bug

[Roy J. Tellason, Sr.]

On Wednesday 12 June 2024 06:54:54 am Richard wrote:
> But also, just
> searching the web for this topic, you should have come across this
> answering your questions: https://wiki.debian.org/NetworkInterfaceNames
> 

Wow.  Just wow...

That sort of thing just drives me crazy!  :-)

I can see sticking with older versions of some things.

-- 
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James 
M Dakin

Re: Please help me identify package so I can report an important bug

[Richard]

Good catch. With the title of this thread and not seeing any proper
description of what's actually wrong on GitHub, I figured the change of the
adapter name was meant. Yes, with MAC randomization, that's what you'll
get. But it's nothing Debian defaults to. So question is, can this be
disabled on Proxmox? But with this hint, it should be easy enough to figure
out if this can be deactivated on the affected systems, and if not the bug
reports must be against these issues, as Debian itself doesn't do such
things. If it is an issue with Debian preventing the disablement, the devs
need to talk to each other.

Richard

Am Mi., 12. Juni 2024 um 17:10 Uhr schrieb Jeffrey Walton <
noloa...@gmail.com>:

> The random MAC address discussed in the bug report (with mention of
> Network Manager) could be
> <
> https://blogs.gnome.org/thaller/2016/08/26/mac-address-spoofing-in-networkmanager-1-4-0/
> >.
>
> Jeff
>

Re: Please help me identify package so I can report an important bug

[Jeffrey Walton]

On Wed, Jun 12, 2024 at 10:33 AM Richard  wrote:
>
> Question is, does it make that much sense to report it to Debian directly? 
> Are you encountering this issue on Debian itself or 
> Armbian/Raspbian/whatever? You reported this to the Raspberry Pi GitHub, so 
> I'd expect them to take this up with the upstream devs themselves, so by the 
> time Trixie is being released, it may already be included.
>
> But besides that, what you describe in the first link sounds to me not like a 
> bug, but as a well thought-through decision. Network adapter names like eth0 
> have been dropped with Debian 11 (I think, maybe even 10). So don't get your 
> hopes up too high to ever see this coming back. But also, just searching the 
> web for this topic, you should have come across this answering your 
> questions: https://wiki.debian.org/NetworkInterfaceNames

The random MAC address discussed in the bug report (with mention of
Network Manager) could be
.

Jeff

Re: Please help me identify package so I can report an important bug

[Richard]

Question is, does it make that much sense to report it to Debian directly?
Are you encountering this issue on Debian itself or
Armbian/Raspbian/whatever? You reported this to the Raspberry Pi GitHub, so
I'd expect them to take this up with the upstream devs themselves, so by
the time Trixie is being released, it may already be included.

But besides that, what you describe in the first link sounds to me not like
a bug, but as a well thought-through decision. Network adapter names like
eth0 have been dropped with Debian 11 (I think, maybe even 10). So don't
get your hopes up too high to ever see this coming back. But also, just
searching the web for this topic, you should have come across this
answering your questions: https://wiki.debian.org/NetworkInterfaceNames

Richard

Am Mi., 12. Juni 2024 um 12:43 Uhr schrieb Peter Goodall <
pjgood...@gmail.com>:

> Hello,
>
> This  bug, or a close relative, has already been reported in
> https://github.com/raspberrypi/bookworm-feedback/issues/239
> as 'Predictable network names broken for ASIX USB ethernet in kernel
> 6.6.20'
>
> I added a comment reporting my experience in Proxmox here:
>
> https://github.com/raspberrypi/bookworm-feedback/issues/239#issuecomment-2162166863
>
> Because it happens in proxmox and rpi I assume its Debian or higher. I
> have not reported a Debian bug before...
>
> Thanks,
> --Peter G
>

Please help me identify package so I can report an important bug

[Peter Goodall]

Hello,

This  bug, or a close relative, has already been reported in
https://github.com/raspberrypi/bookworm-feedback/issues/239
as 'Predictable network names broken for ASIX USB ethernet in kernel 6.6.20'

I added a comment reporting my experience in Proxmox here:
https://github.com/raspberrypi/bookworm-feedback/issues/239#issuecomment-2162166863

Because it happens in proxmox and rpi I assume its Debian or higher. I have
not reported a Debian bug before...

Thanks,
--Peter G

Re: Please help me install Tomcat

[TRS-80]

Amn Ojee Uw  writes:

> I've tried to install Tomcat, different version, like so :
> /# Download the latest release of tomcat 10.1.5//
> //wget
> https://downloads.apache.org/tomcat/tomcat-8/v8.5.85/bin/apache-tomcat-8.5.85.tar.gz//
> //
> //# Create tomcat directory//
> //sudo mkdir /opt/tomcat//
> //
> //# Extract the binary file with tar command in the /opt/tomcat path//
> //sudo tar -xvf apache-tomcat-8.5.85.tar.gz -C /opt/tomcat
> --strip-components=1//

[...]

> I really don't even know what to do with that info. I am an enthusiast
> programmer and not a trained computer programmer, thus I find this
> kind of things really challenging.

Given these comments, I am not understanding why you are trying to
install from tarball when it appears to me that Tomcat is available in
the Debian repos (at least in Bookworm and Sid):

https://packages.debian.org/search?keywords=tomcat

It looks like 'tomcat10' is the package name you are looking for.

-- 
Cheers,
TRS-80

Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[tomas]

On Wed, Apr 29, 2020 at 12:36:50AM +0200, Nicolas George wrote:
> to...@tuxteam.de (12020-04-28):
> > I never tried, mind you. I've got better things to do with my time than
> > wrangling down a Java Monster (TM).
> > 
> > That said, I don't know what your point is (besides whining around a
> > bit here): you get the thing as a Debian packaged source. You have
> > shown some expertise in this list. Putting those two things together,
> > you're in the enviable position to try to run a Debian package build [1]:
> > thus you get a wonderful basis to start off.
> > 
> > What's missing?
> 
> What's missing is control, and the trust that comes with it.
> 
> Even assuming that the packaging rules succeed, which is a pretty bold
> assumption.

[big rant elided)

> We cannot prevent these projects from existing, but at least we have to
> realise they are not part of the solution, they are part of the problem.

I do understand you [1]. Still, Jitis and BBB seem to be the
only free contenders in this space. What do you suggest, then?
Zoom?

It's the same dilemma we are in with browsers (actually, I think
with browsers the situation is even worse, Mozilla being forced
to follow every whim Chrome takes, and Chrome being fueled by the
ad industry... watch pocket and all those shenanigans).

These days people are running in droves for video conferencing
software (don't ask me why). Of late, I read of someone in an
academic environment trying to set up Jitsi for their virtual
lectures. The thing failed at 30 participants, so they ditched
it and went to Zoom. Darn.

Suggestions?

Any ideas? Are you working in an alternative? I'd test it, promised.

Cheers
[1] I call that "killing free software by complexity". Roughly
   what Raph Levien called "the decommoditization of protocols" 

-- tomás


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Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Nicolas George]

to...@tuxteam.de (12020-04-28):
> I never tried, mind you. I've got better things to do with my time than
> wrangling down a Java Monster (TM).
> 
> That said, I don't know what your point is (besides whining around a
> bit here): you get the thing as a Debian packaged source. You have
> shown some expertise in this list. Putting those two things together,
> you're in the enviable position to try to run a Debian package build [1]:
> thus you get a wonderful basis to start off.
> 
> What's missing?

What's missing is control, and the trust that comes with it.

Even assuming that the packaging rules succeed, which is a pretty bold
assumption.

Even assuming that the packaging rules succeed without re-installing in
~/.something half the libraries in the world because these rules are
actually a thin veneer of Debian packaging on top of a completely alien
package system, because nowadays every stupid language feel the need to
have its own package system and its own build system.

Then running a build script as a black box, being forced to run it in
exactly the build environment it was designed for, is only marginally
better than installing binary blobs.

Libre Software means that the source code is available, but the source
code is not just the code files. Distributing the source tree but
keeping the know-how to be able to do something with it, that is not
Libre Software.

If it is done on purpose, to be able to claim opensourceness and the PR
benefits that come with it, without having the drawback of giving away
usable code for free, it is entirely dishonest.

If it is done because of incompetence, because the developers are
actually unable to develop most of the things in their project and just
produce monstrous frankenware, it is less dishonest, but the end result
is the same.

We cannot prevent these projects from existing, but at least we have to
realise they are not part of the solution, they are part of the problem.

Regards,

-- 
  Nicolas George


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Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[deloptes]

to...@tuxteam.de wrote:

> What's missing?

Jitsi from source - is a pain

Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[tomas]

On Tue, Apr 28, 2020 at 11:15:00AM +0200, Nicolas George wrote:
> to...@tuxteam.de (12020-04-28):
> > Sigh. LMDDgIFY
> 
> So, my take is that nobody here managed to install Jitsi from sources.

I never tried, mind you. I've got better things to do with my time than
wrangling down a Java Monster (TM).

That said, I don't know what your point is (besides whining around a
bit here): you get the thing as a Debian packaged source. You have
shown some expertise in this list. Putting those two things together,
you're in the enviable position to try to run a Debian package build [1]:
thus you get a wonderful basis to start off.

What's missing?

Cheers

[1] optionally set up a chroot & debootstrap, alternatively
   a VM -- or run "naked" in your box; get build-deps; run
   dpkg-buildpackage -uc -us or something.

-- t



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Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Nicolas George]

to...@tuxteam.de (12020-04-28):
> Sigh. LMDDgIFY

So, my take is that nobody here managed to install Jitsi from sources.
That should tell you something.

Regards,

-- 
  Nicolas George


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Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[tomas]

On Mon, Apr 27, 2020 at 11:53:39PM +0200, Nicolas George wrote:

[...]

> If Jitsi is really Libre Software, then it should be installable from
> sources. This is the tutorial I am looking for.

Sigh. LMDDgIFY

Jitsi home page:

  https://jitsi.org/

List of projects:

  https://jitsi.org/projects/

I guess the talk here goes arount Jitsi videobridge (or is it
Jitsi desktop? You tell me). Anyway, Jitsi videobridge is here:

  https://jitsi.org/jitsi-videobridge/

There's a link to a source code repo (alas, github).

Have fun. And report here. Yes, it's free software (Videobridge is Apache 2.0).

Cheers
-- t


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Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Russell L. Harris]

On Tue, Apr 28, 2020 at 01:09:54AM +0200, Nicolas George wrote:

Russell L. Harris (12020-04-27):

> https://www.youtube.com/watch?v=8KR0AhDZF2A



As to "...opening access to [your] computer...", what do you mean?

The tutorial shows how to install jitsi from a Debian package.


I we are indeed referring to the same video, it tells how to add an APT
source. Installing a package not from the distribution is risky because
bogus dependencies could block important upgrades. Adding a source does
that, and much worse: the new repository could override any system
package.


At this time the package is not in the Debian archive, but if you have
the expertise you can create your own Debian package from the source,
which is available in github.


I know people, who I know are very skilled, failed to install this from
source, because of pletoric dependencies and/or languages with NIH
distribution schemes. So unless you did, please do not act as if it was
easy.

--
 Nicolas George


There indeed is an element of risk in installing a package which does
not come from the Debian repository.  And, indeed, some packages are
not in the Debian repository because of incompatibilities with other
packages.  And creating a Debian package truly is more difficult than
is installing a package which someone else has created; I did not
claim otherwise.

With terms such as "bogus" and "pletoric" (sic; I presume you mean
"plethoric") you are implying malice and incompetence on the part of
jitsi.  Do you have evidence for such accusation?

Commonsense dictates that a conferencing server be run on dedicated
hardware, rather than on a computer which is vital to local
operations.  In this day of the "smartphone", surplus computers are
abundant and are priced cheaply.  As I stated, by following the video,
I successfully installed Jitsi on an old desktop running Debian 9 (or
perhaps it was Debian 10), and I successfully used the server for
video conferencing.

RLH

Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Dan Purgert]

On Apr 27, 2020, Dan Ritter wrote:
> [...]
> If I recall correctly, all that's needed is a SIP account with a
> PSTN bridge company, so you might find that voip.ms or 8x8 or
> any number of other companies might fill that need for a
> reasonable price.

That might be exactly what I was looking for -- all my (admittedly very
few) DDG searches picked up *business* style providers -- so $40 or $50
to get started, then $49.95 / month for 5 lines and blahblah (if paid
for a year in advance) that probably make a ton of sense for an office;
but not so much for a guy goofing around for 3-6 months tops.

Thanks for the suggestions!

-- 
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Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Dan Purgert]

On Apr 27, 2020, Nicolas George wrote:
> Dan Purgert (12020-04-27):
> > I tried it locally (with a LOCAL instance running) and it worked quite
> > nicely for half a dozen PCs / laptops around the house.
> 
> Oh, interesting.
> 
> Have you found a good set of instructions to set it up on a Debian?
> People I know have been looking for and did not find.

Just followed the quickstart guide on their github page.  Basically it
was these handful of steps:

1. added the repo -- deb https://download.jitsi.org stable/
2. added the jitsi signing key -- EF8B479E2DC1389C
3. apt-get update && apt-get install jitsi-meet 
4. whacked the config file because the STUN service didn't behave
properly for jitsi-videobridge or one of the other components.
5. followed the security things (dole out username & password for
meeting creation -- anyone can technically spin one up, but they're
stuck in a waiting room til I open it).

NOTE -- I'm running it on Buster.

-- 
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Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Nicolas George]

Russell L. Harris (12020-04-27):
> > https://www.youtube.com/watch?v=8KR0AhDZF2A

> As to "...opening access to [your] computer...", what do you mean?
> 
> The tutorial shows how to install jitsi from a Debian package.

I we are indeed referring to the same video, it tells how to add an APT
source. Installing a package not from the distribution is risky because
bogus dependencies could block important upgrades. Adding a source does
that, and much worse: the new repository could override any system
package. 

> At this time the package is not in the Debian archive, but if you have
> the expertise you can create your own Debian package from the source,
> which is available in github.

I know people, who I know are very skilled, failed to install this from
source, because of pletoric dependencies and/or languages with NIH
distribution schemes. So unless you did, please do not act as if it was
easy.

-- 
  Nicolas George


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Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Russell L. Harris]

On Mon, Apr 27, 2020 at 11:53:39PM +0200, Nicolas George wrote:

Russell L. Harris (12020-04-27):

I do not have the URL, but Jitsi has a YouTube video which takes you
step-by-step through a server installation on Debian.  It is a nice
presentation; I have used it with success.


Is it the one you were thinking about:

https://www.youtube.com/watch?v=8KR0AhDZF2A

? If so, that is not a tutorial on installing a piece of software, that
is a tutorial on opening access to my computer to people I do not trust
much. No, thanks.

If Jitsi is really Libre Software, then it should be installable from
sources. This is the tutorial I am looking for.

Regards,

--
 Nicolas George


As to "...opening access to [your] computer...", what do you mean?

The tutorial shows how to install jitsi from a Debian package.

At this time the package is not in the Debian archive, but if you have
the expertise you can create your own Debian package from the source,
which is available in github.

Do you not understand that jitsi is open source?

What kind of tutorial are you expecting to find?  


RLH

Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Nicolas George]

Russell L. Harris (12020-04-27):
> I do not have the URL, but Jitsi has a YouTube video which takes you
> step-by-step through a server installation on Debian.  It is a nice
> presentation; I have used it with success.

Is it the one you were thinking about:

https://www.youtube.com/watch?v=8KR0AhDZF2A

? If so, that is not a tutorial on installing a piece of software, that
is a tutorial on opening access to my computer to people I do not trust
much. No, thanks.

If Jitsi is really Libre Software, then it should be installable from
sources. This is the tutorial I am looking for.

Regards,

-- 
  Nicolas George


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Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Dan Ritter]

Dan Purgert wrote: 
> On Apr 25, 2020, Kenneth Parker wrote:
> > I couldn't help noticing your .sig reference to Jitsi.  There were threads
> > about it, as a good replacement for Zoom.  Also, there is a strong need in
> > another online community that I belong to.
> > 
> > How is your experience with a "room" with, say about 10 people in it with
> > some using Video, but others preferring Audio only?
> 
> I tried it locally (with a LOCAL instance running) and it worked quite
> nicely for half a dozen PCs / laptops around the house.  The only thing
> I happen to be missing is the PSTN bridge ... but I haven't found one
> that's stupid expensive (for an individual) to get started.

If I recall correctly, all that's needed is a SIP account with a
PSTN bridge company, so you might find that voip.ms or 8x8 or
any number of other companies might fill that need for a
reasonable price.

-dsr-

Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[der.hans]

Am 25. Apr, 2020 schwätzte Kenneth Parker so:

moin moin,


I couldn't help noticing your .sig reference to Jitsi.  There were threads
about it, as a good replacement for Zoom.  Also, there is a strong need in
another online community that I belong to.

How is your experience with a "room" with, say about 10 people in it with
some using Video, but others preferring Audio only?


My experience with jitsi is that it's missing moderation tools. This has
been with meet.jit.si and with a paid for 8x8 account.

For a private event the password feature is probably sufficient as only
invetees will have the meeting URL and password.

Everyone can kick everyone, so open meetings ( where the password also had
to be distributed ) can easily be taken over by a troll. Also when kicked,
a troll need only hit return to rejoin the meeting.

Technically, it has worked well for my small meetings and for presenting
at and attending LibrePlanet. But in the era of zoombombing, I want
proactive moderation tools.

A local group has been running a Big Blue Button instance for years. In
addition to passwords for meeting rooms, BBB has a waiting room where
attendees need moderator approval to join a meeting. Also, only the 
moderator can kick people out. Once kicked, trolls can rejoin, but are in

the waiting room.

BBB does have an 'All users join as moderators' setting if you prefer
meeting anarchy :).

The local group is running BBB on a home cable connection in the US and
has had a dozen people at a time in meetings. Most do not use video, so
not sure how it would work if everyone turns on their cameras.

Additionally, BBB was built for classroom use and ties into Moodle.

Last week I found Big Blue Meeting has hosted BBB accounts starting at
$40/month. I paid for an account and have been happy with it during the
small amount of testing thus far.

https://www.BigBlueMeeting.com/

ciao,

der.hans


Thank you and best regards,

Kenneth Parker

On Sat, Apr 25, 2020, 7:21 AM Jiangsu Kumquat  wrote:


I want to get a good fast Debian compatible card for 1080p.

I was looking at this page...

Best Graphics Cards 2020 - Top Gaming GPUs for the Money | Tom's Hardware
https://www.tomshardware.com/reviews/best-gpus,4380.html

However, I think most or all of those cards won't work that great for
Linux because of compatibility issues.

Can you recommend a good card for me to use? I play windows games in
Debian with wine.

I tend to prefer AMD cards, but Nvidia cards are okay I guess as long as
they work well with Debian.

Thanks!!

_
PrivacyTools - Encryption and tools to protect against global mass
surveillance - https://www.privacytools.io -
https://www.reddit.com/r/privacytoolsIO/
--
More secure, more flexible, and completely free video conferencing. Go
ahead, video chat with the whole team. In fact, invite everyone you know.
Jitsi Meet is a fully encrypted, 100% open source video conferencing
solution that you can use all day, every day, for free — with no account
needed.
https://jitsi.org/jitsi-meet/






--
#  https://www.LuftHans.com   https://www.PhxLinux.org
#  “If you think good design is expensive, you should look at the cost of
#  bad design.” – Ralf Speth

Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Russell L. Harris]

On Mon, Apr 27, 2020 at 09:54:46PM +0200, Nicolas George wrote:

Dan Purgert (12020-04-27):

I tried it locally (with a LOCAL instance running) and it worked quite
nicely for half a dozen PCs / laptops around the house.


Oh, interesting.

Have you found a good set of instructions to set it up on a Debian?
People I know have been looking for and did not find.


I do not have the URL, but Jitsi has a YouTube video which takes you
step-by-step through a server installation on Debian.  It is a nice
presentation; I have used it with success.

Beware:  the real jitsi is jitsi.org.  If you search for "jitsi", you
may end up on the web site of a "ww1.jitsi.com" (note that "ww1" is
not a typo).

Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Nicolas George]

Dan Purgert (12020-04-27):
> I tried it locally (with a LOCAL instance running) and it worked quite
> nicely for half a dozen PCs / laptops around the house.

Oh, interesting.

Have you found a good set of instructions to set it up on a Debian?
People I know have been looking for and did not find.

Regards,

-- 
  Nicolas George


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Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Dan Purgert]

On Apr 25, 2020, Kenneth Parker wrote:
> I couldn't help noticing your .sig reference to Jitsi.  There were threads
> about it, as a good replacement for Zoom.  Also, there is a strong need in
> another online community that I belong to.
> 
> How is your experience with a "room" with, say about 10 people in it with
> some using Video, but others preferring Audio only?

I tried it locally (with a LOCAL instance running) and it worked quite
nicely for half a dozen PCs / laptops around the house.  The only thing
I happen to be missing is the PSTN bridge ... but I haven't found one
that's stupid expensive (for an individual) to get started.

But wifey and family settled on Zoom before all the issues started
cropping up, and getting the "not techy" people to move would be far too
painful (read: wife doesn't even want to ask if they wanna try).


-- 
|_|O|_| Github: https://github.com/dpurgert
|_|_|O| PGP: DDAB 23FB 19FA 7D85 1CC1  E067 6D65 70E5 4CE7 2860
|O|O|O| Former PGP: 05CA 9A50 3F2E 1335 4DC5  4AEE 8E11 DDF3 1279 A281


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Re: Please help me find a good Debian compatible video card

[Steven Mainor]

I have to second the AMD cards. Their Open source drivers have improved 
by leaps and bounds over the last couple years. I honestly believe the 
open source drivers have even surpassed the closed source Nvidia ones 
now.


I know that in the past AMD drivers provided a worse experience because 
they were under developed but that simply isn't the case anymore in my 
opinion. And at least for me supporting a company that absolutely 
refuses to cooperate with open source communities (Nvidia) when there is 
a good alternative like AMD is hard to justify.



---
Steven Mainor

On 2020-04-26 05:46, tv.deb...@googlemail.com wrote:

On 25/04/2020 19:28, Alexander V. Makartsev wrote:

On 25.04.2020 16:20, Jiangsu Kumquat wrote:

I want to get a good fast Debian compatible card for 1080p.

I was looking at this page...

Best Graphics Cards 2020 - Top Gaming GPUs for the Money | Tom's 
Hardware

https://www.tomshardware.com/reviews/best-gpus,4380.html

However, I think most or all of those cards won't work that great for
Linux because of compatibility issues.

Can you recommend a good card for me to use? I play windows games in
Debian with wine.

I tend to prefer AMD cards, but Nvidia cards are okay I guess as long
as they work well with Debian.

Thanks!!

_
PrivacyTools - Encryption and tools to protect against global mass
surveillance - https://www.privacytools.io -
https://www.reddit.com/r/privacytoolsIO/
--
More secure, more flexible, and completely free video conferencing. 
Go

ahead, video chat with the whole team. In fact, invite everyone you
know. Jitsi Meet is a fully encrypted, 100% open source video
conferencing solution that you can use all day, every day, for free —
with no account needed.
https://jitsi.org/jitsi-meet/


I highly recommend Nvidia-based cards, if you don't mind closed-source
drivers.
Many (Most?) games with Linux-native ports officially support only
Nvidia by game developers. I think, this is because of the drivers,
their quality and stability.
AMD-based card will usually work too, but (as long as I can remember)
quality of their drivers were something to be desired and drivers for
Linux are under heavy development, but they are open-source.
In case of Proton\WINE, you could get mixed results, because some 
games

(via DXVK) will work better with Nvidia and some are better with AMD.
"Better" here as in "less graphical glitches, more performance and
stability."
To play modern games in 1080p 60fps with high graphics settings you
would want minimum GTX1660 or better with 6Gb VRAM or more.



Hi, I have two kids and myself playing all kind of games on Steam
mainly, with protonplay (Steam customized Wine version), on regular
Wine, or standalone version (like GOG versions). All of us use AMD
cards and we could not be happier, I would not go back to dealing with
Nvidia drivers for anything. We used "Polaris10" generation cards
(like RX570 and RX580), "Vega10" generation (Vega RX 56), and
currently "Navy10" (5700XT).
With Debian Stable you might have to use backports packages for
optimal performances with the latest generation of GPU, but any
Polaris/Vega/RadeonVII should work fine. Here we run Debian Unstable
for the gaming/multimedia machines and everything just works without
the use of any proprietary drivers (aside from the firmware provided
by the non-free Debian "firmware-amd-graphics" package.

For game specific compatibility reports the "protondb" website
maintains a good database [1], but it is only valid for Steam
"Protonplay" platform. Of course there are many native games which run
great with Debian and an AMD card, if you have a few specific titles
in mind feel free to ask.

Hope it helps.


[1] https://www.protondb.com/

Re: Please help me find a good Debian compatible video card

[tv.deb...@googlemail.com]

On 25/04/2020 19:28, Alexander V. Makartsev wrote:

On 25.04.2020 16:20, Jiangsu Kumquat wrote:

I want to get a good fast Debian compatible card for 1080p.

I was looking at this page...

Best Graphics Cards 2020 - Top Gaming GPUs for the Money | Tom's Hardware
https://www.tomshardware.com/reviews/best-gpus,4380.html

However, I think most or all of those cards won't work that great for
Linux because of compatibility issues.

Can you recommend a good card for me to use? I play windows games in
Debian with wine.

I tend to prefer AMD cards, but Nvidia cards are okay I guess as long
as they work well with Debian.

Thanks!!

_
PrivacyTools - Encryption and tools to protect against global mass
surveillance - https://www.privacytools.io -
https://www.reddit.com/r/privacytoolsIO/
--
More secure, more flexible, and completely free video conferencing. Go
ahead, video chat with the whole team. In fact, invite everyone you
know. Jitsi Meet is a fully encrypted, 100% open source video
conferencing solution that you can use all day, every day, for free —
with no account needed.
https://jitsi.org/jitsi-meet/


I highly recommend Nvidia-based cards, if you don't mind closed-source
drivers.
Many (Most?) games with Linux-native ports officially support only
Nvidia by game developers. I think, this is because of the drivers,
their quality and stability.
AMD-based card will usually work too, but (as long as I can remember)
quality of their drivers were something to be desired and drivers for
Linux are under heavy development, but they are open-source.
In case of Proton\WINE, you could get mixed results, because some games
(via DXVK) will work better with Nvidia and some are better with AMD.
"Better" here as in "less graphical glitches, more performance and
stability."
To play modern games in 1080p 60fps with high graphics settings you
would want minimum GTX1660 or better with 6Gb VRAM or more.



Hi, I have two kids and myself playing all kind of games on Steam 
mainly, with protonplay (Steam customized Wine version), on regular 
Wine, or standalone version (like GOG versions). All of us use AMD cards 
and we could not be happier, I would not go back to dealing with Nvidia 
drivers for anything. We used "Polaris10" generation cards (like RX570 
and RX580), "Vega10" generation (Vega RX 56), and currently "Navy10" 
(5700XT).
With Debian Stable you might have to use backports packages for optimal 
performances with the latest generation of GPU, but any 
Polaris/Vega/RadeonVII should work fine. Here we run Debian Unstable for 
the gaming/multimedia machines and everything just works without the use 
of any proprietary drivers (aside from the firmware provided by the 
non-free Debian "firmware-amd-graphics" package.


For game specific compatibility reports the "protondb" website maintains 
a good database [1], but it is only valid for Steam "Protonplay" 
platform. Of course there are many native games which run great with 
Debian and an AMD card, if you have a few specific titles in mind feel 
free to ask.


Hope it helps.


[1] https://www.protondb.com/

Re: Please help me find a good Debian compatible video card

[nito]

On Sat, Apr 25, 2020 at 18:58:45 +0500, Alexander V. Makartsev wrote:
> On 25.04.2020 16:20, Jiangsu Kumquat wrote:
> > I want to get a good fast Debian compatible card for 1080p.
> >
> > […]
> >
> > However, I think most or all of those cards won't work that great for
> > Linux because of compatibility issues.
> >
> > Can you recommend a good card for me to use? I play windows games in
> > Debian with wine.
> >
> > I tend to prefer AMD cards, but Nvidia cards are okay I guess as long
> > as they work well with Debian.
>
> I highly recommend Nvidia-based cards, if you don't mind closed-source
> drivers.
> Many (Most?) games with Linux-native ports officially support only
> Nvidia by game developers. I think, this is because of the drivers,
> their quality and stability.
Many games officially recommend the proprietary drivers, though with any 
recent AMD-GPUs (as in: supported by AMDGPU instead of radeon) I've never 
needed them (some Phoronix benchmarks even seem to indicate, that AMDGPU 
often but not always even works better than AMDGPU-PRO).
With NVidia cards the open source noveau driver will not be sufficient for 
gaming though.

I can't complain about the AMDGPU driver more than any of the other graphic 
drivers. In fact I tend to find AMDGPU easier to handle than the proprietary 
NVidia drivers.
As far as I heard, for stability you should not use a GPU that was just 
released some months prior, though. The drivers need some time.

> AMD-based card will usually work too, but (as long as I can remember)
> quality of their drivers were something to be desired and drivers for
> Linux are under heavy development, but they are open-source.

If choosing a AMD GPU for gaming I'd recommend to atleast use kernel 5.4 from 
backports, as afaik there were some (for gaming) signinficant improvements 
after 5.0.

> In case of Proton\WINE, you could get mixed results, because some games
> (via DXVK) will work better with Nvidia and some are better with AMD.
> "Better" here as in "less graphical glitches, more performance and
> stability."
> To play modern games in 1080p 60fps with high graphics settings you
> would want minimum GTX1660 or better with 6Gb VRAM or more.

If you want to achieve the highest of high gaming performance, Nvidia cards 
currently offer better (and more expensive) hardware.
If you are happy with (just) decent performance Nvidia vs AMD probably doesn't
matter too much and is mostly game dependent.

Re: Please help me find a good Debian compatible video card

[Alexander V. Makartsev]

On 25.04.2020 16:20, Jiangsu Kumquat wrote:
> I want to get a good fast Debian compatible card for 1080p.
>
> I was looking at this page...
>
> Best Graphics Cards 2020 - Top Gaming GPUs for the Money | Tom's Hardware
> https://www.tomshardware.com/reviews/best-gpus,4380.html
>
> However, I think most or all of those cards won't work that great for
> Linux because of compatibility issues.
>
> Can you recommend a good card for me to use? I play windows games in
> Debian with wine.
>
> I tend to prefer AMD cards, but Nvidia cards are okay I guess as long
> as they work well with Debian.
>
> Thanks!!
>
> _
> PrivacyTools - Encryption and tools to protect against global mass
> surveillance - https://www.privacytools.io -
> https://www.reddit.com/r/privacytoolsIO/
> --
> More secure, more flexible, and completely free video conferencing. Go
> ahead, video chat with the whole team. In fact, invite everyone you
> know. Jitsi Meet is a fully encrypted, 100% open source video
> conferencing solution that you can use all day, every day, for free —
> with no account needed.
> https://jitsi.org/jitsi-meet/
>
I highly recommend Nvidia-based cards, if you don't mind closed-source
drivers.
Many (Most?) games with Linux-native ports officially support only
Nvidia by game developers. I think, this is because of the drivers,
their quality and stability.
AMD-based card will usually work too, but (as long as I can remember)
quality of their drivers were something to be desired and drivers for
Linux are under heavy development, but they are open-source.
In case of Proton\WINE, you could get mixed results, because some games
(via DXVK) will work better with Nvidia and some are better with AMD.
"Better" here as in "less graphical glitches, more performance and
stability."
To play modern games in 1080p 60fps with high graphics settings you
would want minimum GTX1660 or better with 6Gb VRAM or more.

-- 
With kindest regards, Alexander.

⢀⣴⠾⠻⢶⣦⠀ 
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org
⠈⠳⣄ 

Re: Jitsi (was Re: Please help me find a good Debian compatible video card).

[Jiangsu Kumquat]

I actually have not used it yet... I mainly have that linked because zoom
is full of major security holes... and JItsi seems like a great app.

https://www.cnet.com/news/zoom-every-security-issue-uncovered-in-the-video-chat-app/

On Sat, Apr 25, 2020 at 6:06 AM Kenneth Parker  wrote:

> I couldn't help noticing your .sig reference to Jitsi.  There were threads
> about it, as a good replacement for Zoom.  Also, there is a strong need in
> another online community that I belong to.
>
> How is your experience with a "room" with, say about 10 people in it with
> some using Video, but others preferring Audio only?
>
> Thank you and best regards,
>
> Kenneth Parker
>
> On Sat, Apr 25, 2020, 7:21 AM Jiangsu Kumquat  wrote:
>
>> I want to get a good fast Debian compatible card for 1080p.
>>
>> I was looking at this page...
>>
>> Best Graphics Cards 2020 - Top Gaming GPUs for the Money | Tom's Hardware
>> https://www.tomshardware.com/reviews/best-gpus,4380.html
>>
>> However, I think most or all of those cards won't work that great for
>> Linux because of compatibility issues.
>>
>> Can you recommend a good card for me to use? I play windows games in
>> Debian with wine.
>>
>> I tend to prefer AMD cards, but Nvidia cards are okay I guess as long as
>> they work well with Debian.
>>
>> Thanks!!
>>
>> _
>> PrivacyTools - Encryption and tools to protect against global mass
>> surveillance - https://www.privacytools.io -
>> https://www.reddit.com/r/privacytoolsIO/
>> --
>> More secure, more flexible, and completely free video conferencing. Go
>> ahead, video chat with the whole team. In fact, invite everyone you know.
>> Jitsi Meet is a fully encrypted, 100% open source video conferencing
>> solution that you can use all day, every day, for free — with no account
>> needed.
>> https://jitsi.org/jitsi-meet/
>>
>>

Jitsi (was Re: Please help me find a good Debian compatible video card).

[Kenneth Parker]

I couldn't help noticing your .sig reference to Jitsi.  There were threads
about it, as a good replacement for Zoom.  Also, there is a strong need in
another online community that I belong to.

How is your experience with a "room" with, say about 10 people in it with
some using Video, but others preferring Audio only?

Thank you and best regards,

Kenneth Parker

On Sat, Apr 25, 2020, 7:21 AM Jiangsu Kumquat  wrote:

> I want to get a good fast Debian compatible card for 1080p.
>
> I was looking at this page...
>
> Best Graphics Cards 2020 - Top Gaming GPUs for the Money | Tom's Hardware
> https://www.tomshardware.com/reviews/best-gpus,4380.html
>
> However, I think most or all of those cards won't work that great for
> Linux because of compatibility issues.
>
> Can you recommend a good card for me to use? I play windows games in
> Debian with wine.
>
> I tend to prefer AMD cards, but Nvidia cards are okay I guess as long as
> they work well with Debian.
>
> Thanks!!
>
> _
> PrivacyTools - Encryption and tools to protect against global mass
> surveillance - https://www.privacytools.io -
> https://www.reddit.com/r/privacytoolsIO/
> --
> More secure, more flexible, and completely free video conferencing. Go
> ahead, video chat with the whole team. In fact, invite everyone you know.
> Jitsi Meet is a fully encrypted, 100% open source video conferencing
> solution that you can use all day, every day, for free — with no account
> needed.
> https://jitsi.org/jitsi-meet/
>
>

Re: Please help me find a good Debian compatible video card

[Henning Follmann]

On Sat, Apr 25, 2020 at 05:20:33AM -0600, Jiangsu Kumquat wrote:
> I want to get a good fast Debian compatible card for 1080p.
> 
> I was looking at this page...
> 
> Best Graphics Cards 2020 - Top Gaming GPUs for the Money | Tom's Hardware
> https://www.tomshardware.com/reviews/best-gpus,4380.html
> 
> However, I think most or all of those cards won't work that great for Linux
> because of compatibility issues.
> 
> Can you recommend a good card for me to use? I play windows games in Debian
> with wine.
> 
> I tend to prefer AMD cards, but Nvidia cards are okay I guess as long as
> they work well with Debian.
> 
> Thanks!!
>


I do not know about GPU and I do not care. For my purpose any simple card
does the jobe well enough.
However when it comes to reviews with linux in mind
https://www.phoronix.com
might be a good start.

my $0.02

-H

-- 
Henning Follmann   | hfollm...@itcfollmann.com

Please help me find a good Debian compatible video card

[Jiangsu Kumquat]

I want to get a good fast Debian compatible card for 1080p.

I was looking at this page...

Best Graphics Cards 2020 - Top Gaming GPUs for the Money | Tom's Hardware
https://www.tomshardware.com/reviews/best-gpus,4380.html

However, I think most or all of those cards won't work that great for Linux
because of compatibility issues.

Can you recommend a good card for me to use? I play windows games in Debian
with wine.

I tend to prefer AMD cards, but Nvidia cards are okay I guess as long as
they work well with Debian.

Thanks!!

_
PrivacyTools - Encryption and tools to protect against global mass
surveillance - https://www.privacytools.io -
https://www.reddit.com/r/privacytoolsIO/
--
More secure, more flexible, and completely free video conferencing. Go
ahead, video chat with the whole team. In fact, invite everyone you know.
Jitsi Meet is a fully encrypted, 100% open source video conferencing
solution that you can use all day, every day, for free — with no account
needed.
https://jitsi.org/jitsi-meet/

Re: please help me

[Ben Finney]

alshemally37  writes:

> i got problems download kali linux 2017 it is need to me

This is a forum for discussing the Debian system in particular, not Kali Linux.

> help me what can i do please?

Seek at the Kali Linux community forums .

-- 
 \ “I went to the cinema, it said ‘Adults: $5.00, Children $2.50’. |
  `\  So I said ‘Give me two boys and a girl.’” —Steven Wright |
_o__)  |
Ben Finney

please help me

[alshemally37]

hi
i got problems download kali linux 2017 it is need to me

(enter an ip address to scan for iscsi taegets . to use aport other than
the default of 3260, use 'ip port' notation, for example '1.2.3.4:3261'.

help me what can i do please?

Re: Please help me resize my ext4 file system to size > 16TB

[Henrique de Moraes Holschuh]

On Tue, 13 Jun 2017, R. Ramesh wrote:
> >That would be organizing your videos into N subdirectories and using new
> >filesystems for some of those.  Each single filesystem will be smaller
> >than 16TB.
> >
> >If that works with your use case, you could do that now.
> 
> Thanks. In that case, is mke2fs -O 64bit is enough? Or do I need a bunch of
> other options to go with it like  extent, extra_isize, etc. Can you tell me
> why xfs is better? Is it as stable as ext4? Will I be able to add dmcache or
> something similar as I create the new fs with xfs?

If you plan things so that *each* one of these filesystems will be
smaller than 16TB, plain mke2fs -t ext4 on your current system will do.
That's why I pointed it out as a solution you could use *now*...

OTOH, we will release the next Debian stable in about a week, and that
one supports ext4 >16TB out-of-the-box.  It is *still* risky to
convert+resize an existing filesystem, of course.

NOTE: while Debian Stretch (the next stable) will autodetect it needs
64-bit mode when creating >16TB ext4 filesystems, if you want to create
a smaller one that could *grow* to >16TB, you likely have to specify "-O
64bit" manually.

As for XFS, it is just as stable as ext4.  And the two of them are far
more stable than any of the other filesystems we support.

Where I *always* recommend to use a plain, *small* ext4 and _not_ XFS is
for /boot, because of the bootloader.

XFS has been designed for extremely large enterprise arrays, and has
supported very large singe filesystems and 64-bit everything for a lot
longer than ext4: were you using it, AFAIK your filesystem would have
been able to grow to >16TB in your current system.

OTOH, you cannot *shrink* a XFS filesystem, while ext4 can be shrunk
(backups required, of course).  For multi-stream video, XFS works very
well, but so does ext4.  And you won't be doing heavily multi-threaded
enterprise-IO on a DVR...

XFS is a bit more averse to power cuts/hangs/crashes than ext4.  It
won't corrupt the *filesystem* (modulo kernel bug, bad RAM, or bad HDD),
but if you were writing to a file, chances are that specific file will
end up full of zeroes more likely than in ext4.

If trouble does happen, ext4 fsck is considered best-in-class.  The one
for xfs (xfs_repair) is quite good, but not as comprehensive.

dmcache is not that safe.  That said, while I don't know why you'd need
it, nowadays (as in: on an up-to-date stable/longterm kernel) it should
work the same with ext4 and XFS.  If in doubt, keep using ext4.

> I have about 14TB over 4 disks. I will backup on to them and recreate
> a newfs and copy them back. I do not like the downtime as that means
> my DVR does not work for 4 days, at least, as copying will have to be
> over usb3.

If you want to use a *single* >16TB new filesystem on your _current_
system, you will have to use XFS.  Hint: don't mess with mkfs.xfs
options, it almost always does a better job when left to its
autodetected defaults.

If you want to use multiple filesystems on your _current_ system, pick
the one you are already familiar with, and which is supported on your
system: 32-bit ext4.

If you are willing to wait a week and upgrade your system to the next
Debian stable (in that case, backup the *entire* thing, should the
updated system not work as a DVR to your liking), you will have the
choice of XFS or 64-bit ext4.

-- 
  Henrique Holschuh

Re: Re: Please help me resize my ext4 file system to size > 16TB

[R. Ramesh]

>   I am just looking for path of least resistance. That is why I asked if it

That would be organizing your videos into N subdirectories and using new
filesystems for some of those.  Each single filesystem will be smaller
than 16TB.

If that works with your use case, you could do that now.


Thanks. In that case, is mke2fs -O 64bit is enough? Or do I need a bunch 
of other options to go with it like  extent, extra_isize, etc. Can you 
tell me why xfs is better? Is it as stable as ext4? Will I be able to 
add dmcache or something similar as I create the new fs with xfs?


I have about 14TB over 4 disks. I will backup on to them and recreate a 
newfs and copy them back. I do not like the downtime as
that means my DVR does not work for 4 days, at least, as copying will 
have to be over usb3.


Ramesh

Re: Please help me resize my ext4 file system to size > 16TB

[R. Ramesh]

On 06/13/2017 10:48 AM, Doug wrote:


On 06/12/2017 11:33 PM, R. Ramesh wrote:

You implied you don't even have a backup of that data, which means you
have exactly one chance of getting it right.  This is a non-starter.

First: you are warned to NEVER proceed with a filesystem resize before
you have a valid, current, and *tested* backup.

You are also warned that the ext4 *conversion* to 64-bit block numbers
so as to be able to span more than 16TB is NOT your typical filesystem
resize operation in the first place.  It touches a *lot more* of the
filesystem and the risks are much higher than just adding an extent.
Even if it works flawlessly, it is not going to result in an optimal
filesystem.

The recommended procedure is to create a *new* filesystem and restore
from backup (or copy from the legacy filesystem if you find a way to
have both at the same time).  And for such large filesystems, the 
use of

"xfs" instead of "ext4" should be seriously considered.

Second: whatever reasons you had, or excuses you gave yourself, nothing
is going to get your data back if the filesystem ends up damaged beyond
repair and you don't have a backup.

"it would require updates that I am not ready do to yet"? Then DON'T.
Find another way to solve your immediate problem, and postpone the
larger filesystem for when you update everything.

You *have* been warned.


Now, you did not give us any idea of what is in that filesystem and 
what

you use it for, but as an alternative to resizing it, maybe you could
create several extra filesystems instead of enlarging the one you have
and attaching these extra ones to wherever you need more space? Any
subdirectory can be made an entirely separate filesystem...

This wouldn't work for everything (e.g. you can't hardlink or
fast-rename across filesystems), but maybe it would work for whatever
you use that big filesystem for?

--
   Henrique Holschuh

Henrique,

  Let us not worry about backup. The data is just videos and not 
worth the effort. They are all recreatable with some effort. So, it 
is ok to try resize2fs and if that dies, I will simply get the data 
from my DVDs/Blurays.


  I don't think there is in place ext4 to xfs conversion. So, 
converting to xfs is less possible that resize2fs.


  I am just looking for path of least resistance. That is why I asked 
if it possible to resize without any upgrade. I will eventually 
upgrade and eventually figure out something. I just need to hear that 
there isn't a simple solution I have overlooked *today*. That is all.


Ramesh


It would seem to me that the simplest way to solve this problem would 
be to buy a second drive that is big enough, format it with xfs, and 
copy everything
you want to keep onto the new drive. Then when everything is done to 
your satisfaction, you can keep the original drive as a backup, or if 
you really
don't care about backups, reformat the original drive and then use it, 
for whatever you want. (Make sure you copy the boot setup onto the new 
drive!)


--doug

Thanks. I have to spend at least $500 to get 12+TB disk. Not a good 
solution. I will wait it out till a stable resize2fs appears.


Ramesh

Re: Please help me resize my ext4 file system to size > 16TB

[Doug]

On 06/12/2017 11:33 PM, R. Ramesh wrote:

You implied you don't even have a backup of that data, which means you
have exactly one chance of getting it right.  This is a non-starter.

First: you are warned to NEVER proceed with a filesystem resize before
you have a valid, current, and *tested* backup.

You are also warned that the ext4 *conversion* to 64-bit block numbers
so as to be able to span more than 16TB is NOT your typical filesystem
resize operation in the first place.  It touches a *lot more* of the
filesystem and the risks are much higher than just adding an extent.
Even if it works flawlessly, it is not going to result in an optimal
filesystem.

The recommended procedure is to create a *new* filesystem and restore
from backup (or copy from the legacy filesystem if you find a way to
have both at the same time).  And for such large filesystems, the use of
"xfs" instead of "ext4" should be seriously considered.

Second: whatever reasons you had, or excuses you gave yourself, nothing
is going to get your data back if the filesystem ends up damaged beyond
repair and you don't have a backup.

"it would require updates that I am not ready do to yet"? Then DON'T.
Find another way to solve your immediate problem, and postpone the
larger filesystem for when you update everything.

You *have* been warned.


Now, you did not give us any idea of what is in that filesystem and what
you use it for, but as an alternative to resizing it, maybe you could
create several extra filesystems instead of enlarging the one you have
and attaching these extra ones to wherever you need more space? Any
subdirectory can be made an entirely separate filesystem...

This wouldn't work for everything (e.g. you can't hardlink or
fast-rename across filesystems), but maybe it would work for whatever
you use that big filesystem for?

--
   Henrique Holschuh

Henrique,

  Let us not worry about backup. The data is just videos and not worth 
the effort. They are all recreatable with some effort. So, it is ok to 
try resize2fs and if that dies, I will simply get the data from my 
DVDs/Blurays.


  I don't think there is in place ext4 to xfs conversion. So, 
converting to xfs is less possible that resize2fs.


  I am just looking for path of least resistance. That is why I asked 
if it possible to resize without any upgrade. I will eventually 
upgrade and eventually figure out something. I just need to hear that 
there isn't a simple solution I have overlooked *today*. That is all.


Ramesh


It would seem to me that the simplest way to solve this problem would be 
to buy a second drive that is big enough, format it with xfs, and copy 
everything
you want to keep onto the new drive. Then when everything is done to 
your satisfaction, you can keep the original drive as a backup, or if 
you really
don't care about backups, reformat the original drive and then use it, 
for whatever you want. (Make sure you copy the boot setup onto the new 
drive!)


--doug

Re: Please help me resize my ext4 file system to size > 16TB

[Henrique de Moraes Holschuh]

On Mon, 12 Jun 2017, R. Ramesh wrote:
> >You implied you don't even have a backup of that data, which means you
> >have exactly one chance of getting it right.  This is a non-starter.

...

>   Let us not worry about backup. The data is just videos and not worth the
> effort. They are all recreatable with some effort. So, it is ok to try

Ok...

>   I am just looking for path of least resistance. That is why I asked if it

That would be organizing your videos into N subdirectories and using new
filesystems for some of those.  Each single filesystem will be smaller
than 16TB.

If that works with your use case, you could do that now.

> possible to resize without any upgrade. I will eventually upgrade and
> eventually figure out something. I just need to hear that there isn't a
> simple solution I have overlooked *today*. That is all.

There are two that I know of, and the safe one is using several
filesystems and mounting them normally as subdirectories.  The other one
would be using an overlay filesystem, but the very large size you need
*is* going to get in the way of that.

-- 
  Henrique Holschuh

Re: Re: Please help me resize my ext4 file system to size > 16TB

[R. Ramesh]

You implied you don't even have a backup of that data, which means you
have exactly one chance of getting it right.  This is a non-starter.

First: you are warned to NEVER proceed with a filesystem resize before
you have a valid, current, and *tested* backup.

You are also warned that the ext4 *conversion* to 64-bit block numbers
so as to be able to span more than 16TB is NOT your typical filesystem
resize operation in the first place.  It touches a *lot more* of the
filesystem and the risks are much higher than just adding an extent.
Even if it works flawlessly, it is not going to result in an optimal
filesystem.

The recommended procedure is to create a *new* filesystem and restore
from backup (or copy from the legacy filesystem if you find a way to
have both at the same time).  And for such large filesystems, the use of
"xfs" instead of "ext4" should be seriously considered.

Second: whatever reasons you had, or excuses you gave yourself, nothing
is going to get your data back if the filesystem ends up damaged beyond
repair and you don't have a backup.

"it would require updates that I am not ready do to yet"? Then DON'T.
Find another way to solve your immediate problem, and postpone the
larger filesystem for when you update everything.

You *have* been warned.


Now, you did not give us any idea of what is in that filesystem and what
you use it for, but as an alternative to resizing it, maybe you could
create several extra filesystems instead of enlarging the one you have
and attaching these extra ones to wherever you need more space?  Any
subdirectory can be made an entirely separate filesystem...

This wouldn't work for everything (e.g. you can't hardlink or
fast-rename across filesystems), but maybe it would work for whatever
you use that big filesystem for?

--
   Henrique Holschuh

Henrique,

  Let us not worry about backup. The data is just videos and not worth 
the effort. They are all recreatable with some effort. So, it is ok to 
try resize2fs and if that dies, I will simply get the data from my 
DVDs/Blurays.


  I don't think there is in place ext4 to xfs conversion. So, 
converting to xfs is less possible that resize2fs.


  I am just looking for path of least resistance. That is why I asked 
if it possible to resize without any upgrade. I will eventually upgrade 
and eventually figure out something. I just need to hear that there 
isn't a simple solution I have overlooked *today*. That is all.


Ramesh

Re: Please help me resize my ext4 file system to size > 16TB

[Henrique de Moraes Holschuh]

On Mon, 12 Jun 2017, Ramasubramanian Ramesh wrote:
> >I think you ran into this problem:
> >http://blog.ronnyegner-consulting.de/2011/08/18/ext4-and-the-16-tb-limit-now-solved/
> >
> >I know of no way to get resize2fs to work with partitions larger than
> >16 TB, however in the blog post it's explained how to make mke2fs
> >work with such sizes by editing /etc/mke2fs.conf. Not sure if this is
> >an option for you though.
> 
> I have no way of backing up 16TB to use mke2fs. There is a solution (
> https://askubuntu.com/questions/779754/how-do-i-resize-an-ext4-partition-beyond-the-16tb-limit),
> but needs updates that I am not ready to do yet. So, I am checking if
> there is something that I missed that will allow me to resize without
> having to upgrade release/kernel/e2fsprogs and all of its friends.

You implied you don't even have a backup of that data, which means you
have exactly one chance of getting it right.  This is a non-starter.

First: you are warned to NEVER proceed with a filesystem resize before
you have a valid, current, and *tested* backup.

You are also warned that the ext4 *conversion* to 64-bit block numbers
so as to be able to span more than 16TB is NOT your typical filesystem
resize operation in the first place.  It touches a *lot more* of the
filesystem and the risks are much higher than just adding an extent.
Even if it works flawlessly, it is not going to result in an optimal
filesystem.

The recommended procedure is to create a *new* filesystem and restore
from backup (or copy from the legacy filesystem if you find a way to
have both at the same time).  And for such large filesystems, the use of
"xfs" instead of "ext4" should be seriously considered.

Second: whatever reasons you had, or excuses you gave yourself, nothing
is going to get your data back if the filesystem ends up damaged beyond
repair and you don't have a backup.

"it would require updates that I am not ready do to yet"? Then DON'T.
Find another way to solve your immediate problem, and postpone the
larger filesystem for when you update everything.

You *have* been warned.


Now, you did not give us any idea of what is in that filesystem and what
you use it for, but as an alternative to resizing it, maybe you could
create several extra filesystems instead of enlarging the one you have
and attaching these extra ones to wherever you need more space?  Any
subdirectory can be made an entirely separate filesystem...

This wouldn't work for everything (e.g. you can't hardlink or
fast-rename across filesystems), but maybe it would work for whatever
you use that big filesystem for?

-- 
  Henrique Holschuh

Re: Re: Please help me resize my ext4 file system to size > 16TB

[Ramasubramanian Ramesh]

> Hi,
>
>   I have kernel 3.13 and e2fsprog 1.42.9 (as part of mybuntu 14.04.5 LTS).
> With this, is it possible to resize2fs my ext4 RAID6 /dev/md0 to 24TB (ie
> >16TB)? If so, please help me get there. If not, please recommend the
> upgrades needed to the setup before this can be done. So, far, my google
> says I need to do "tune2fs -O extents,uninit_bg,dir_index /dev/md0" which I
> already did and I still get the dreaded message "resize2fs: New size too
> large to be expressed in 32 bits."
>
> There are mentions of a 64bit option for the ext4 file system. I can see how
> this relates to the error message from resize2fs, but I do not know what I
> should do to get that update done for my /dev/md0. Also all of the message
> that I come across relating to 64bit option, only talk about  how to
> *create* a brand new file system with 64bit. None of them tell me how to
> convert existing one. In fact, many of them scare me saying that it will be
> unsupported in older kernels. I am not really sure if my kernel is too old
> or not. Also, they talk about a switch -b for resize2fs that is not
> supported in the version installed currently on my system/release.
>
> Pleas help me figure out the correct sequence of steps. What packages need
> update, if current kernel/release is ok? Or, do I need to upgrade to a newer
> release before this is possible?
>
> Thanks
> Ramesh
>

I think you ran into this problem:
http://blog.ronnyegner-consulting.de/2011/08/18/ext4-and-the-16-tb-limit-now-solved/

I know of no way to get resize2fs to work with partitions larger than 16 TB,
however in the blog post it's explained how to make mke2fs work with such
sizes by editing /etc/mke2fs.conf. Not sure if this is an option for you
though.


I have no way of backing up 16TB to use mke2fs. There is a solution ( 
https://askubuntu.com/questions/779754/how-do-i-resize-an-ext4-partition-beyond-the-16tb-limit 
), but needs updates that I am not
ready to do yet. So, I am checking if there is something that I missed 
that will allow me to resize without having to upgrade 
release/kernel/e2fsprogs and all of its friends.


Ramesh

Re: Please help me resize my ext4 file system to size > 16TB

[Jonathan Marquardt]

On Sun, Jun 11, 2017 at 05:01:36PM -0500, Ram Ramesh wrote:
> Hi,
> 
>   I have kernel 3.13 and e2fsprog 1.42.9 (as part of mybuntu 14.04.5 LTS).
> With this, is it possible to resize2fs my ext4 RAID6 /dev/md0 to 24TB (ie
> >16TB)? If so, please help me get there. If not, please recommend the
> upgrades needed to the setup before this can be done. So, far, my google
> says I need to do "tune2fs -O extents,uninit_bg,dir_index /dev/md0" which I
> already did and I still get the dreaded message "resize2fs: New size too
> large to be expressed in 32 bits."
> 
> There are mentions of a 64bit option for the ext4 file system. I can see how
> this relates to the error message from resize2fs, but I do not know what I
> should do to get that update done for my /dev/md0. Also all of the message
> that I come across relating to 64bit option, only talk about  how to
> *create* a brand new file system with 64bit. None of them tell me how to
> convert existing one. In fact, many of them scare me saying that it will be
> unsupported in older kernels. I am not really sure if my kernel is too old
> or not. Also, they talk about a switch -b for resize2fs that is not
> supported in the version installed currently on my system/release.
> 
> Pleas help me figure out the correct sequence of steps. What packages need
> update, if current kernel/release is ok? Or, do I need to upgrade to a newer
> release before this is possible?
> 
> Thanks
> Ramesh
> 

I think you ran into this problem:
http://blog.ronnyegner-consulting.de/2011/08/18/ext4-and-the-16-tb-limit-now-solved/

I know of no way to get resize2fs to work with partitions larger than 16 TB,
however in the blog post it's explained how to make mke2fs work with such
sizes by editing /etc/mke2fs.conf. Not sure if this is an option for you
though.
-- 
4096R/1224DBD299A4F5F3
47BC 7DE8 3D46 2E8B ED18  AA86 1224 DBD2 99A4 F5F3


signature.asc
Description: Digital signature

Please help me resize my ext4 file system to size > 16TB

[Ram Ramesh]

Hi,

  I have kernel 3.13 and e2fsprog 1.42.9 (as part of mybuntu 14.04.5 
LTS). With this, is it possible to resize2fs my ext4 RAID6 /dev/md0 to 
24TB (ie >16TB)? If so, please help me get there. If not, please 
recommend the upgrades needed to the setup before this can be done. So, 
far, my google says I need to do "tune2fs -O extents,uninit_bg,dir_index 
/dev/md0" which I already did and I still get the dreaded message 
"resize2fs: New size too large to be expressed in 32 bits."


There are mentions of a 64bit option for the ext4 file system. I can see 
how this relates to the error message from resize2fs, but I do not know 
what I should do to get that update done for my /dev/md0. Also all of 
the message that I come across relating to 64bit option, only talk 
about  how to *create* a brand new file system with 64bit. None of them 
tell me how to convert existing one. In fact, many of them scare me 
saying that it will be unsupported in older kernels. I am not really 
sure if my kernel is too old or not. Also, they talk about a switch -b 
for resize2fs that is not supported in the version installed currently 
on my system/release.


Pleas help me figure out the correct sequence of steps. What packages 
need update, if current kernel/release is ok? Or, do I need to upgrade 
to a newer release before this is possible?


Thanks
Ramesh

Re: Please help me OT

[Chris Bannister]

On Fri, Jun 27, 2014 at 08:09:57AM -0400, The Wanderer wrote:
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA512
 
 On 06/27/2014 01:56 AM, Reco wrote:
 
  Hi.
  
  On Fri, Jun 27, 2014 at 01:15:53PM +1200, Chris Bannister wrote:
 
  Makes you wonder how many people who install Debian and have
  trouble, write to the list but are not subscribed, and therefore do
  not rec a reply.
  
  You notice a couple now and then.
  
  Nobody forbids those people to ask to CC them the answer :)
 
 True, but someone who doesn't realize they might need to subscribe to
 the mailing list to automatically receive replies (unless they plan to
 read replies through e.g. gmane or the like) is also not likely to
 realize they might need to ask to be CCed on replies.

Although, reconsidering: If I just installed Debian and I had trouble, 
and I was a newbie, I would google 'Debian support'

Where this: https://www.debian.org/support states:

For user support in English, please contact the debian-user mailing
list. which points to https://lists.debian.org/debian-user/ where it
implicitly states that you should subscribe to get support.

-- 
If you're not careful, the newspapers will have you hating the people
who are being oppressed, and loving the people who are doing the 
oppressing. --- Malcolm X


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Re: Please help me OT

[Chris Bannister]

On Fri, Jun 27, 2014 at 09:13:01PM +0400, Reco wrote:
 
 Correct. In fact [1] can mislead people into thinking that subscribing
 to the maillist to receive an answer is unnecessary:

tl;dr. which sentence or paragraph gives you this impression?
 
 [1] http://www.debian.org/MailingLists/index.en.html

-- 
If you're not careful, the newspapers will have you hating the people
who are being oppressed, and loving the people who are doing the 
oppressing. --- Malcolm X


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Re: Please help me OT

[Reco]

On Sat, 28 Jun 2014 19:34:13 +1200
Chris Bannister cbannis...@slingshot.co.nz wrote:

 On Fri, Jun 27, 2014 at 09:13:01PM +0400, Reco wrote:
  
  Correct. In fact [1] can mislead people into thinking that subscribing
  to the maillist to receive an answer is unnecessary:
 
 tl;dr. which sentence or paragraph gives you this impression?
 

The one I quoted:

There are many world-open mailing lists, meaning anyone can read
everything that is posted, and participate in the discussions.

Reco


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Re: Please help me OT

[Chris Bannister]

On Sat, Jun 28, 2014 at 05:31:37PM +0400, Reco wrote:
 On Sat, 28 Jun 2014 19:34:13 +1200
 Chris Bannister cbannis...@slingshot.co.nz wrote:
 
  On Fri, Jun 27, 2014 at 09:13:01PM +0400, Reco wrote:
   
   Correct. In fact [1] can mislead people into thinking that subscribing
   to the maillist to receive an answer is unnecessary:
  
  tl;dr. which sentence or paragraph gives you this impression?
  
 
 The one I quoted:
 
 There are many world-open mailing lists, meaning anyone can read
 everything that is posted, and participate in the discussions.

Ahh, must have missed that. Still, that page does mention about
subscribing quite a bit. If you think it should be clearer, you could
post your concerns to the debian-www list.

Further down the page, I believe it mentions the CoC, which states about
not CCing the poster unless requested, does it not?

-- 
If you're not careful, the newspapers will have you hating the people
who are being oppressed, and loving the people who are doing the 
oppressing. --- Malcolm X


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Re: Please help me OT

[The Wanderer]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

On 06/27/2014 01:56 AM, Reco wrote:

 Hi.
 
 On Fri, Jun 27, 2014 at 01:15:53PM +1200, Chris Bannister wrote:

 Makes you wonder how many people who install Debian and have
 trouble, write to the list but are not subscribed, and therefore do
 not rec a reply.
 
 You notice a couple now and then.
 
 Nobody forbids those people to ask to CC them the answer :)

True, but someone who doesn't realize they might need to subscribe to
the mailing list to automatically receive replies (unless they plan to
read replies through e.g. gmane or the like) is also not likely to
realize they might need to ask to be CCed on replies.

- --
   The Wanderer

Secrecy is the beginning of tyranny.

A government exists to serve its citizens, not to control them.
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Re: Please help me OT

[Reco]

On Fri, 27 Jun 2014 08:09:57 -0400
The Wanderer wande...@fastmail.fm wrote:

  Makes you wonder how many people who install Debian and have
  trouble, write to the list but are not subscribed, and therefore do
  not rec a reply.
  
  You notice a couple now and then.
  
  Nobody forbids those people to ask to CC them the answer :)
 
 True, but someone who doesn't realize they might need to subscribe to
 the mailing list to automatically receive replies (unless they plan to
 read replies through e.g. gmane or the like) is also not likely to
 realize they might need to ask to be CCed on replies.

Correct. In fact [1] can mislead people into thinking that subscribing
to the maillist to receive an answer is unnecessary:

There are many world-open mailing lists, meaning anyone can read
everything that is posted, and participate in the discussions.


Well, since one can read such answer via https://lists.debian.org such
statement is not THAT far from the truth, but it's probably not that
one means writing to the maillist.


[1] http://www.debian.org/MailingLists/index.en.html


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Re: Please help me OT

[Chris Bannister]

On Wed, Jun 25, 2014 at 04:06:45PM -0400, Ric Moore wrote:
 
 It's much better if your subject line reflects your problem. Please help
 me doesn't make the topic searchable for anyone else that may have your
 same problem. Then you are the sole recipient of the help others are
 investing their time in. I'm surprised anyone responded at all. :/ Ric

What is the bet he didn't subscribe to the list?

-- 
If you're not careful, the newspapers will have you hating the people
who are being oppressed, and loving the people who are doing the 
oppressing. --- Malcolm X


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Re: Please help me OT

[Brian]

On Thu 26 Jun 2014 at 22:41:28 +1200, Chris Bannister wrote:

 On Wed, Jun 25, 2014 at 04:06:45PM -0400, Ric Moore wrote:
  
  It's much better if your subject line reflects your problem. Please help
  me doesn't make the topic searchable for anyone else that may have your
  same problem. Then you are the sole recipient of the help others are
  investing their time in. I'm surprised anyone responded at all. :/ Ric
 
 What is the bet he didn't subscribe to the list?

You'll get no money from me! I can read email headers just as well as
you can.


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Re: Please help me OT

[Chris Bannister]

On Thu, Jun 26, 2014 at 07:01:23PM +0100, Brian wrote:
 On Thu 26 Jun 2014 at 22:41:28 +1200, Chris Bannister wrote:
 
  On Wed, Jun 25, 2014 at 04:06:45PM -0400, Ric Moore wrote:
   
   It's much better if your subject line reflects your problem. Please help
   me doesn't make the topic searchable for anyone else that may have your
   same problem. Then you are the sole recipient of the help others are
   investing their time in. I'm surprised anyone responded at all. :/ Ric
  
  What is the bet he didn't subscribe to the list?
 
 You'll get no money from me! I can read email headers just as well as
 you can.

Makes you wonder how many people who install Debian and have trouble,
write to the list but are not subscribed, and therefore do not rec a
reply.

You notice a couple now and then.

-- 
If you're not careful, the newspapers will have you hating the people
who are being oppressed, and loving the people who are doing the 
oppressing. --- Malcolm X


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Re: Please help me OT

[Reco]

 Hi.

On Fri, Jun 27, 2014 at 01:15:53PM +1200, Chris Bannister wrote:
 On Thu, Jun 26, 2014 at 07:01:23PM +0100, Brian wrote:
  On Thu 26 Jun 2014 at 22:41:28 +1200, Chris Bannister wrote:
  
   On Wed, Jun 25, 2014 at 04:06:45PM -0400, Ric Moore wrote:

It's much better if your subject line reflects your problem. Please 
help
me doesn't make the topic searchable for anyone else that may have your
same problem. Then you are the sole recipient of the help others are
investing their time in. I'm surprised anyone responded at all. :/ Ric
   
   What is the bet he didn't subscribe to the list?
  
  You'll get no money from me! I can read email headers just as well as
  you can.
 
 Makes you wonder how many people who install Debian and have trouble,
 write to the list but are not subscribed, and therefore do not rec a
 reply.
 
 You notice a couple now and then.

Nobody forbids those people to ask to CC them the answer :)

Reco


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Please help me

[monirul hasan]

 Sir, I am a student.I want to install Debian in my laptop along with my 
installed Windows 7.My laptop has the following 

 configuration:

 RAM: 4GB

 Processor: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz .

 Sir, I want to make the following partitions:

 Drive name  Size Type

 /(root) 30GB ext4

 Swap8GB  

 /uefi   1GB  ext4
 
 /home   20GB ext4
 
 But unfortunately I could not install it. I am trying to install 
debian-7.5.0-amd64-DVD-1  uing 16GB USB and this 
Debian DVD iso size is 3.7GB. I downloaded this DVD( 
debian-7.5.0-amd64-DVD-1.iso2014-04-26 16:09  3.7G )  from the 

 url:http://cdimage.debian.org/debian-cd/7.5.0/amd64/iso-dvd/ 

 using utorrent. During installation a message says that The missing firmware 
files are :rtl_nic/rtl8105e-1.fw .

   I made my 16GB USB bootable from the iso image using UNetbootin software.

 However I completed installation and a message says installation is
 complete and now remove your installation media USB. When I restart my laptop 
a message says 

 Error: file /boot/grub/i386-pc/normal.mod' not found .

 Entering rescue mode
 grub rescue

 

Sir, now what can I do to install Debian in my laptop uing USB? 
Sir,Please help me in detail.

Re: Please help me

[Erwan David]

Le 25/06/2014 16:55, monirul hasan a écrit :

Humm your message is empty, with a text attachment...

Strange...

  Processor: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz .

  Sir, I want to make the following partitions:

  Drive name  Size Type

  /(root) 30GB ext4

  Swap8GB  

  /uefi   1GB  ext4
  
  /home   20GB ext4

I am sure that the uefi partition must use vfat, not ext4; and I think
it should be the first partition, and It may even be better to mount it
on /boot/uefi or /boot/efi.



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Re: Please help me

[Erwan David]

Le 25/06/2014 17:32, Erwan David a écrit :
 Le 25/06/2014 16:55, monirul hasan a écrit :

 Humm your message is empty, with a text attachment...

 Strange...

  Processor: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz .

  Sir, I want to make the following partitions:

  Drive name  Size Type

  /(root) 30GB ext4

  Swap8GB  

  /uefi   1GB  ext4
  
  /home   20GB ext4
 I am sure that the uefi partition must use vfat, not ext4; and I think
 it should be the first partition, and It may even be better to mount it
 on /boot/uefi or /boot/efi.




I forgot : in the installer, first let the installer define the
partitions, then modify them, not changing the boot/EFI ones, it is
better for getting a bootable system.


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Re: Please help me

[Brian]

On Wed 25 Jun 2014 at 20:55:02 +0600, monirul hasan wrote:

  using utorrent. During installation a message says that The missing 
 firmware files are :rtl_nic/rtl8105e-1.fw .

At what exact point? (It is not a cause of your main problem, however.
Please read the manual),

I made my 16GB USB bootable from the iso image using UNetbootin software.

On Windows?

  However I completed installation and a message says installation is
  complete and now remove your installation media USB. When I restart my 
 laptop a message says 
 
  Error: file /boot/grub/i386-pc/normal.mod' not found .
 
  Entering rescue mode
  grub rescue

Not good. The system is repairable but it would be vastly quicker for
you to reinstall, taking into account Erwan David's advice. I'd delete
the partitions you had set up before and install everything to one
partition. GRUB should go in the MBR; /dev/sda probably.


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Re: Please help me OT

[Ric Moore]

It's much better if your subject line reflects your problem. Please 
help me doesn't make the topic searchable for anyone else that may have 
your same problem. Then you are the sole recipient of the help others 
are investing their time in. I'm surprised anyone responded at all. :/ Ric



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Re: please help me for buy laptop-i need your opinion

[Umarzuki Mochlis]

2011/12/8 hamed hosseini hoss...@gmail.com

 thank you,but tell me why you choice number 1?
 i need to know Debian support  Nvidia GeForce GT 550M 1GB and Atheros
 AR9285 Wireless Network Adapter or Broadcom 802.11n Wireless Network
 Adapter


http://wiki.debian.org/DebianEeePC/Model/1005HA

i just prefer ath over bcm. most bcm wireless built-in wireless device does
not support monitor mode. at least bcm4312, if you're into sniffin' ;)
-- 
Regards,

Umarzuki Mochlis
http://debmal.my

Re: please help me for buy laptop-i need your opinion

[Camaleón]

On Wed, 07 Dec 2011 18:32:04 +0330, hamed hosseini wrote:

 hi, please,i have 2 choice,i need your opinion,tell me your choice(1 or
 2)?

If I'm not reading it wrong, configuration #2 is more powerful, I'd go 
for it :-)

There are basically three main differences:

- Option #2 adds more system ram (8 GiB instead 6 GiB)

- Option #2 adds a better VGA card (GeForce GT 555M 2GB instead GeForce 
GT 550M 1GB)

- The only thing it makes me doubt is that option #2 adds a Broadcom wifi 
card instead Atheros and Atheros cards use to be very well supported 
under linux but I don't think there is any problem with modern broadcom 
chipets, they are now covered by an open source driver (brcmsmac).

 note:i want best laptop for Debian and Linux OS.

(...)

They are both the same laptop model (Y470) so there won't be many 
differences between the two notebooks in regards with Debian/Linux 
support.

Greetings,

-- 
Camaleón


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Re: please help me for buy laptop-i need your opinion

[steef]

broadcom chips load nowadays with (allmost) no trouble at all with the 
broadcom-sta software.


reg.,

steef



hamed hosseini schreef:

hi, please,i have 2 choice,i need your opinion,tell me your choice(1 or 2)?
note:i want best laptop for Debian and Linux OS.

1.
Notebook Ideapad Y470 59-303427
CPU Intel Core i7 2630QM@2.0GHz (Turbo Boost 2.9GHz), 6MB L3 Cache
Memory  DDRIII 6GB 1333MHz (Dual Channel)
Hard Disk Capacity  750GB SATA 5400RPM
Optical Drive   Dual Layer Multi Burner Drive (DVD-RW)
Graphic Nvidia GeForce GT 550M 1GB
Intel HD Graphics
Display 14 (1366 x 768) LED-Backlight LCD
Communication   Atheros AR9285 Wireless Network Adapter
Broadcom NetLink 1000 Ethernet
Camera
Bluetooth Broadcom 2.1
SecurityOne Key Recovery
Kensington Lock
Ports   2 x USB 3.0 ports
1 x USB 2.0 ports
VGA Output
RJ45
HDMI
Multi Card Reader
eSATA+USB
Headphone
Mic
Others  Keyboard: Arabic  English
One Key Theatre II
Weight  2.2 Kg
Battery 6Cell 62Wh (Up to 4 hours)
Color   Black - Textured
Operating SystemWindows 7 Home Premium 64-bit


2

Notebook Ideapad Y470 59-303426
CPU Intel Core i7 2630QM@2.0GHz (Turbo Boost 2.9GHz), 6MB L3 Cache
Memory  DDRIII 8GB 1333MHz (Dual Channel)
Hard Disk Capacity  750GB SATA 5400RPM
Optical Drive   Dual Layer Multi Burner Drive (DVD-RW)
Graphic Nvidia GeForce GT 555M 2GB
Intel HD Graphics
Display 14 (1366 x 768) LED-Backlight LCD
Communication   Broadcom 802.11n Wireless Network Adapter
Broadcom NetLink 1000 Ethernet
Camera
Bluetooth Broadcom 2.1
SecurityOne Key Recovery
Kensington Lock
Ports   2 x USB 3.0 ports
1 x USB 2.0 ports
VGA Output
RJ45
HDMI
Multi Card Reader
eSATA+USB
Headphone
Mic
Others  Keyboard: Arabic  English
One Key Theatre II
Weight  2.2 Kg
Battery 6Cell 62Wh (Up to 4 hours)
Color   Black - Textured
Operating SystemWindows 7 Home Premium 64-bit




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Re: please help me for buy laptop-i need your opinion

[Umarzuki Mochlis]

2011/12/7 hamed hosseini hoss...@gmail.com

 hi, please,i have 2 choice,i need your opinion,tell me your choice(1 or 2)?

 note:i want best laptop for Debian and Linux OS.



i'd go with number 1 without the windows OS.

-- 
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Umarzuki Mochlis
http://debmal.my

Re: please help me for buy laptop-i need your opinion

[hamed hosseini]

thank you,but tell me why you choice number 1?
i need to know Debian support  Nvidia GeForce GT 550M 1GB and Atheros
AR9285 Wireless Network Adapter or Broadcom 802.11n Wireless Network
Adapter

Fwd: Please Help Me

[Krishna Sekhar Mukku]

Hi ,

Did any one got a chance of looking this issue.


Processing triggers for python-gmenu ...
Rebuilding /usr/share/applications/desktop.en_IN.utf8.cache...
Processing triggers for python-support ...
Setting up gforge-db-postgresql (5.0.2-5) ...
Calculating defaults
Reading defaults from /etc/fusionforge/fusionforge.conf
Creating /etc/fusionforge/fusionforge.conf
SSL Disabled
Creating /etc/gforge/httpd.conf
Creating /etc/gforge/httpd.secrets
Creating /etc/gforge/local.inc
Creating other includes
 * Reloading PostgreSQL 8.4 database
server
[ OK ]
Procedural language on fusionforge already enabled
You'll see some debugging info during this installation.
Do not worry unless told otherwise.
DBI connect('dbname=fusionforge','fusionforge',...) failed: FATAL:  Ident
authentication failed for user fusionforge at /usr/share/gforge/lib/
include.pl line 35
Uncaught exception from user code:
Error while connecting to database:  at
/usr/share/gforge/lib/include.plline 37.
 at /usr/share/gforge/lib/include.pl line 37
main::db_connect called at /usr/share/gforge/bin/db-upgrade.pl line 36
dpkg: error processing gforge-db-postgresql (--configure):
 subprocess installed post-installation script returned error exit status
255
 dpkg: dependency problems prevent configuration of gforge-shell-postgresql:
 gforge-shell-postgresql depends on gforge-db-postgresql; however:
  Package gforge-db-postgresql is not configured yet.
dpkg: error processing gforge-shell-postgresql (--configure):
 dependency problems - leaving unconfigured
Setting up firefox-mozilla-build (7.0.1-0ubuntu1) ...
No apport report written because the error message indicates its a followup
error from a previous failure.

Setting up thunderbird-mozilla-build (7.0.1-0ubuntu1) ...

Errors were encountered while processing:
 gforge-db-postgresql
 gforge-shell-postgresql

E: Sub-process /usr/bin/dpkg returned an error code (1)
krishna@krishna:~$

Please help me how to fix it

Thanks,
Krishna

M.Krishna Sekhar



On Sat, Oct 1, 2011 at 1:05 PM, Krishna Sekhar Mukku 
krishnasekha...@gmail.com wrote:

 Hi,

 I am getting an error while installing the *package* or uninstall .
 can any one look into this
 [SNIP ...]

 krishna@krishna:~$ sudo aptitude install reportbug
 The following NEW packages will be installed:
   python-reportbug{a} reportbug
 The following packages will be REMOVED:
   libimage-size-ruby1.8{u}
 The following partially installed packages will be configured:
   gforge-db-postgresql gforge-plugin-scmsvn gforge-shell-postgresql
 gforge-web-apache2
 0 packages upgraded, 2 newly installed, 1 to remove and 0 not upgraded.
 Need to get 245 kB of archives. After unpacking 684 kB will be used.
 Do you want to continue? [Y/n/?] Y
 Get:1 http://archive.ubuntu.com/ubuntu/ natty/universe python-reportbug
 all 4.12.6ubuntu1 [127 kB]
 Get:2 http://archive.ubuntu.com/ubuntu/ natty/universe reportbug all
 4.12.6ubuntu1 [118 kB]
 Fetched 245 kB in 1s (180 kB/s)
 (Reading database ... 218502 files and directories currently installed.)
 Removing libimage-size-ruby1.8 ...
 Selecting previously deselected package python-reportbug.
 (Reading database ... 218497 files and directories currently installed.)
 Unpacking python-reportbug (from
 .../python-reportbug_4.12.6ubuntu1_all.deb) ...
 Selecting previously deselected package reportbug.
 Unpacking reportbug (from .../reportbug_4.12.6ubuntu1_all.deb) ...
 Processing triggers for bamfdaemon ...
 Rebuilding /usr/share/applications/bamf.index...
 Processing triggers for desktop-file-utils ...
 Processing triggers for python-gmenu ...
 Rebuilding /usr/share/applications/desktop.en_IN.utf8.cache...
 Processing triggers for menu ...
 Processing triggers for man-db ...
 Processing triggers for python-support ...
 Setting up gforge-db-postgresql (5.0.2-5) ...
 Calculating defaults
 Reading defaults from /etc/fusionforge/fusionforge.conf
 Creating /etc/fusionforge/fusionforge.conf
 SSL Disabled
 Creating /etc/gforge/httpd.conf
 Creating /etc/gforge/httpd.secrets
 Creating /etc/gforge/local.inc
 Creating other includes
  * Reloading PostgreSQL 8.4 database
 server
 [ OK ]
 Procedural language on fusionforge already enabled
 You'll see some debugging info during this installation.
 Do not worry unless told otherwise.
 DBI connect('dbname=fusionforge','fusionforge',...) failed: FATAL:  Ident
 authentication failed for user fusionforge at /usr/share/gforge/lib/
 include.pl line 35
 Uncaught exception from user code:
 Error while connecting to database:  at /usr/share/gforge/lib/
 include.pl line 37.
  at /usr/share/gforge/lib/include.pl line 37
 main::db_connect called at /usr/share/gforge/bin/db-upgrade.pl line 36
 dpkg: error processing gforge-db-postgresql (--configure):
  subprocess installed post-installation script returned error exit status
 255
 No apport report written because MaxReports is reached already
   dpkg:
 dependency problems

Re: Fwd: Please Help Me

[Scott Ferguson]

On 03/10/11 21:55, Krishna Sekhar Mukku wrote:
 
 Hi ,
 
 Did any one got a chance of looking this issue.

Y-e-s

 
 
 Processing triggers for python-gmenu ...
 Rebuilding /usr/share/applications/desktop.en_IN.utf8.cache...
 Processing triggers for python-support ...
 Setting up gforge-db-postgresql (5.0.2-5) ...
 Calculating defaults
 Reading defaults from /etc/fusionforge/fusionforge.conf
 Creating /etc/fusionforge/fusionforge.conf
 SSL Disabled
 Creating /etc/gforge/httpd.conf
 Creating /etc/gforge/httpd.secrets
 Creating /etc/gforge/local.inc
 Creating other includes
 �* Reloading PostgreSQL 8.4 database
 server���
 [ OK ]
 Procedural language on fusionforge already enabled
 You'll see some debugging info during this installation.
 Do not worry unless told otherwise.
 DBI connect('dbname=fusionforge','fusionforge',...) failed: FATAL:�
 Ident authentication failed for user fusionforge at

  ^
There's the problem

 /usr/share/gforge/lib/include.pl http://include.pl line 35
 Uncaught exception from user code:
 ��� Error while connecting to database:� at
 /usr/share/gforge/lib/include.pl http://include.pl line 37.
 �at /usr/share/gforge/lib/include.pl http://include.pl line 37
 ��� main::db_connect called at /usr/share/gforge/bin/db-upgrade.pl
 http://db-upgrade.pl line 36

   ^

Confirmed (?)

 dpkg: error processing gforge-db-postgresql (--configure):
 �subprocess installed post-installation script returned error exit
 status 255
 dpkg: dependency problems prevent configuration of gforge-shell-postgresql:
 �gforge-shell-postgresql depends on gforge-db-postgresql; however:
 � Package gforge-db-postgresql is not configured yet.

 and won't be

 dpkg: error processing gforge-shell-postgresql (--configure):
 �dependency problems - leaving unconfigured
 Setting up firefox-mozilla-build (7.0.1-0ubuntu1) ...


Have you tried the *Ubuntu* lists/forums? :-)

Have you considered/tried installing the pre-built binary?:-
http://packages.ubuntu.com/natty/gforge-db-postgresql

snipped
 
 Thanks
 Krishna
 
 
 

Cheers


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please help me write a udev rule

[Yuwen Dai]

Dear all,

I always run a command like this when I plug a USB disk:

echo 1024   /sys/block/sdb/device/max_sectors

however, the disk is not always `sdb'.  Can I write a udev rule according to
the UUID of the disk?

Best regards,
Yuwen

Re: please help me write a udev rule

[Hal Vaughan]

On Mar 2, 2011, at 9:08 PM, Yuwen Dai wrote:

 Dear all,
 
 I always run a command like this when I plug a USB disk:
 
 echo 1024   /sys/block/sdb/device/max_sectors
 
 however, the disk is not always `sdb'.  Can I write a udev rule according to 
 the UUID of the disk?

Do you mean a specific USB drive you have, or any time a USB drive is plugged 
in?



Hal

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Re: please help me write a udev rule

[Yuwen Dai]

On Thu, Mar 3, 2011 at 10:31 AM, Hal Vaughan h...@halblog.com wrote:


 On Mar 2, 2011, at 9:08 PM, Yuwen Dai wrote:

  Dear all,
 
  I always run a command like this when I plug a USB disk:
 
  echo 1024   /sys/block/sdb/device/max_sectors
 
  however, the disk is not always `sdb'.  Can I write a udev rule according
 to the UUID of the disk?

 Do you mean a specific USB drive you have, or any time a USB drive is
 plugged in?


A specific USB disk on which read speed is very low.  Thanks.

Best regards,
Yuwen





 Hal

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Re: Re: Re: Please help me to evaluate flash/ssd life using vmstat -d

[Tixy]

On Sat, 2011-02-05 at 19:10 -0600, R. Ramesh wrote:
[...]
 So what does vmstat -d tell me? Is the number of IO under total column 
 supposed to be the number of IOs
 issued to the controller with each IO being contiguous N sectors?

man vmstat says 'total' is Total writes completed successfully.

Vmstat shows the same numbers as cat /sys/block/sda/stat (presumably
where it gets them from) and a copy of the linux documentation for this
is at http://www.mjmwired.net/kernel/Documentation/block/stat.txt

So yes, it looks like 'total' is the number of contiguous blocks of read
or writes. (Though they may not be contiguous once they get onto NAND.)
And 'sectors' the total size of all data read or written.

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Re: Re: Re: Re: Please help me to evaluate flash/ssd life using vmstat -d

[Ramasubramanian Ramesh]

On Sat, 2011-02-05 at 19:10 -0600, R. Ramesh wrote:
[...]
 So what does vmstat -d tell me? Is the number of IO under total column 
 supposed to be the number of IOs

 issued to the controller with each IO being contiguous N sectors?

man vmstat says 'total' is Total writes completed successfully.

Vmstat shows the same numbers as cat /sys/block/sda/stat (presumably
where it gets them from) and a copy of the linux documentation for this
is at http://www.mjmwired.net/kernel/Documentation/block/stat.txt

So yes, it looks like 'total' is the number of contiguous blocks of read
or writes. (Though they may not be contiguous once they get onto NAND.)
And 'sectors' the total size of all data read or written.
  
Thanks. I will have to assume that each contiguous write does not cause 
more than two erase-block writes since I do not believe single kernel
write is more than the size of erase block.  Any way, it is either 24 
years or 240 years. That is, either I will be very old or my great grand 
children will be very old when this happens. In other words, it is time 
for me to stop worrying, like you said  :-)


Thanks for helping. It was an interesting exercise for me. Hopefully, 
you enjoyed it too.


Ramesh


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Re: Re: Please help me to evaluate flash/ssd life using vmstat -d

[Tixy]

On Fri, 2011-02-04 at 18:30 -0600, R. Ramesh wrote:

 I do not have SSD. I have a USB flash drive - went cheap on this :-)
 
 Regardless of the above, still every write by the kernel has to be 
 translated in to NAND writes. I have read in more than one place that 
 these writes will be in units of erase-block size regardless of the 
 kernel IO size.

I could be wrong, but I've always understood that you could write less
than an erase-block size of data, just that the part of NAND written to
can't have previously been used since the last erase. E.g.

- Erase 128kB block
- Write 64kB to first half of block
- Later write 64kB to second half of block
- Need to erase whole 128kB block before it can be written to again.

  I am simply trying to map the X kernel writes in to Y 
 erase-block writes. Note that I do not map it specific erase-block, but 
 to some erase-block. So I only worry about the block counts not the 
 block addresses. That is why my calculations are based on total number 
 of erase-blocks writes available (= 16G/512k*1 = 32768) before 
 the device goes bad. So to me the life of flash is 32768 erase-block 
 writes. Now how many hours is it? To answer this, I need to understand 
 what vmstat -d prints.

If I'm right about partial writes to a NAND erase-block, then I don't
think that you need to try and factor in erase block sizes, just use the
fact that for each byte written a byte must have been previously erased.
Assuming that the flash controller only erases full blocks (it won't be
that efficient though) then you just calculate the total amount of data
that can be written to the disk. In your case, 16GB disk * 1 erases
= 160TB data before the disk expires.

In my previous job when we were thinking about wear on MMC cards due to
demand paging, the calculations showed that if you wrote continuously to
the card at it's maximum rate supported it would last several years. It
was at that point I stopped worrying about flash wear :-)

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Re: Re: Re: Please help me to evaluate flash/ssd life using vmstat -d

[R. Ramesh]

On Fri, 2011-02-04 at 18:30 -0600, R. Ramesh wrote:

 I do not have SSD. I have a USB flash drive - went cheap on this :-)
 
 Regardless of the above, still every write by the kernel has to be 
 translated in to NAND writes. I have read in more than one place that 
 these writes will be in units of erase-block size regardless of the 
 kernel IO size.


I could be wrong, but I've always understood that you could write less
than an erase-block size of data, just that the part of NAND written to
can't have previously been used since the last erase. E.g.

- Erase 128kB block
- Write 64kB to first half of block
- Later write 64kB to second half of block
- Need to erase whole 128kB block before it can be written to again.

  I am simply trying to map the X kernel writes in to Y 
 erase-block writes. Note that I do not map it specific erase-block, but 
 to some erase-block. So I only worry about the block counts not the 
 block addresses. That is why my calculations are based on total number 
 of erase-blocks writes available (= 16G/512k*1 = 32768) before 
 the device goes bad. So to me the life of flash is 32768 erase-block 
 writes. Now how many hours is it? To answer this, I need to understand 
 what vmstat -d prints.


If I'm right about partial writes to a NAND erase-block, then I don't
think that you need to try and factor in erase block sizes, just use the
fact that for each byte written a byte must have been previously erased.
Assuming that the flash controller only erases full blocks (it won't be
that efficient though) then you just calculate the total amount of data
that can be written to the disk. In your case, 16GB disk * 1 erases
= 160TB data before the disk expires.

In my previous job when we were thinking about wear on MMC cards due to
demand paging, the calculations showed that if you wrote continuously to
the card at it's maximum rate supported it would last several years. It
was at that point I stopped worrying about flash wear :-)

  
I also think that you can write less than an erase block. But, 
calculations become harder if I take that approach because I need to 
figure out which kernel writes will  require erase and which will not.
I do not know how to come up with that magic. So I wanted to use vmstat 
and figure out in a different way.


Before that, let us try your approach above (at the end). It suggests 
about writing at full speed and see how long  it takes for 160TB. My 
flash has advertised rate of 15MB/sec (sequential, so the best it can 
do). So this gives us 160*1024*1024/15 sec or 129.5 days. That does seem 
right. So this method is unrealistically conservative.


So what does vmstat -d tell me? Is the number of IO under total column 
supposed to be the number of IOs
issued to the controller with each IO being contiguous N sectors? If not 
then my 24 years is the best I can come up with.


Ramesh


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Please help me to evaluate flash/ssd life using vmstat -d

[R. Ramesh]

All,

 I run a debian firewall on an atom PC running of a 16G flash drive. I 
am trying understand the amount of disk write performed in order to 
understand how long my flash is likely to last. I have two vmstat -d 
information on the flash


   2011-01-31 00:35
   disk- reads writes--- 
-IO--
  total merged sectors  ms  total merged sectors  ms
cursec
   sda10624   4770  352041   16848   2532464   70880  
546908  0 36
   sda1   10621   4767  351993   16844   2532464   70880  
546908  0 36


   2011-02-03 16:01
   disk- reads writes--- 
-IO--
  total merged sectors  ms  total merged sectors  ms
cursec
   sda10736   4827  357265   17084   9649   1621  206984 
1057928  0 76
   sda1   10733   4824  357217   17080   9649   1621  206984 
1057928  0 76


Note that the kernel writes do not translate into equivalent size writes 
into the flash. This is because flash has to be always written in 
multiples of erase block units (or write allocation size or some such 
thing). So I like to know how to translate above writes into number of 
erase-block writes. I could simply use number of sectors as the number 
of erase blocks and get a very conservative estimate. This way I get 
136104 erase blocks in 88 hours. Assuming erase block is 512K and flash 
can deal with 10K writes per block before it dies, I calculate 
(16G*1)/(136104*512K)*88 hours of life. This is 211866 hours or 24 
years. Plenty for me.


But, I really do not like being this conservative. So, I like to know if 
the number of writes under the column titled total refers to the 
number of kernel writes in which each write is a single disk IO for 
contiguous group of sectors. If so, I can assume that each such write 
will cause at most two erase-block writes on the flash giving me a life 
of (16G*1)/((9649-2512)*2*512K) * 88 hours. This is 2020165 hours or 
230 years. While I do not need this much life out of the flash, I like 
to know which one is closer.


I have not done any optimization for the flash like aligned partitioning 
and use of tmpfs. However, I have used noatime mount option which 
reduced the number of writes by an order of magnitude or more.


Ramesh


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Re: Please help me to evaluate flash/ssd life using vmstat -d

[Tixy]

On Fri, 2011-02-04 at 12:34 -0600, R. Ramesh wrote:
 All,
 
   I run a debian firewall on an atom PC running of a 16G flash drive. I 
 am trying understand the amount of disk write performed in order to 
 understand how long my flash is likely to last.

[..]

 Note that the kernel writes do not translate into equivalent size writes 
 into the flash. This is because flash has to be always written in 
 multiples of erase block units (or write allocation size or some such 
 thing). So I like to know how to translate above writes into number of 
 erase-block writes.

Assuming you have a standard SSD drive attached via SATA or the like,
then you can't make any association between writes issued by the kernel
and the actual NAND device writes inside the drive. This is all
abstracted by the SSD controller which will have a fancy flash
translation layer to do wear levelling and bad block management.

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Re: Re: Please help me to evaluate flash/ssd life using vmstat -d

[R. Ramesh]

On Fri, 2011-02-04 at 12:34 -0600, R. Ramesh wrote:
 All,
 
   I run a debian firewall on an atom PC running of a 16G flash drive. I 
 am trying understand the amount of disk write performed in order to 
 understand how long my flash is likely to last.


[..]

 Note that the kernel writes do not translate into equivalent size writes 
 into the flash. This is because flash has to be always written in 
 multiples of erase block units (or write allocation size or some such 
 thing). So I like to know how to translate above writes into number of 
 erase-block writes.


Assuming you have a standard SSD drive attached via SATA or the like,
then you can't make any association between writes issued by the kernel
and the actual NAND device writes inside the drive. This is all
abstracted by the SSD controller which will have a fancy flash
translation layer to do wear levelling and bad block management.

  

I do not have SSD. I have a USB flash drive - went cheap on this :-)

Regardless of the above, still every write by the kernel has to be 
translated in to NAND writes. I have read in more than one place that 
these writes will be in units of erase-block size regardless of the 
kernel IO size. I am simply trying to map the X kernel writes in to Y 
erase-block writes. Note that I do not map it specific erase-block, but 
to some erase-block. So I only worry about the block counts not the 
block addresses. That is why my calculations are based on total number 
of erase-blocks writes available (= 16G/512k*1 = 32768) before 
the device goes bad. So to me the life of flash is 32768 erase-block 
writes. Now how many hours is it? To answer this, I need to understand 
what vmstat -d prints.


Obviously I want to know how many writes are done by the kernel in a 
given hour (on the average).
Assuming that the flash controller is (very) smart to distribute the 
writes 100% evenly, you calculate the life dividing one by the other.  
Obviously, I do not know how to translate the output of vmstat -d to 
actual disk IO seen by the flash controller. Does it see it as X IOs 
from the total column or as Y IOs from the sectors column? Grossly 
taking each IO as a erase-block write I can calculate the life.


Of course the above assumes that the controller is so smart that it 
makes every one of the 32768 writes available to kernel before it 
declares flash is dead. I need this assumption to abstract the 
underlying controller algorithm.


Ramesh


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Please help me test aufs

[T o n g]

Hi,

The aufs is supposed to be able to unify several directories and 
provide a merged single directory. but I found it doesn't work for me any 
more. 

If you have aufs enabled in your system, please help me test the 
following command and post back your result:

mkdir /tmp/rw /tmp/aufs
mount -t aufs -o br=/tmp/rw:${HOME} none /tmp/aufs
mount -o remount,append:${HOME} /tmp/aufs

The command is taken from 4. Usage section from 
http://aufs.sourceforge.net/

Here is my error log: 

% mount -t aufs -o br=/tmp/rw:${HOME} none /tmp/aufs
/sbin/mount.aufs:plink.c:223: AUFS_CTL_PLINK_MAINT: Inappropriate ioctl 
for device

% mount -o remount,append:${HOME} /tmp/aufs
mount: can't find /tmp/aufs in /etc/fstab or /etc/mtab

I suspect that the error might be specific with my aufs build/distro. 
Mine is:

 aufs-modules-2.6.28-grml64_0+20090302-2+grml.03
 aufs-tools_20100601-1

Please help. 

Thanks

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Re: Please help me understand APT pinning...

[Michael Goetze]

Hi Boyd,

Boyd Stephen Smith Jr. wrote:
Any specific questions after that, you can contact me via PM and I also watch 
the list.


I'm sorry to say your answer didn't help me. I thought the questions in 
my original message were already quite specific and demonstrated that I 
had understood the basic principles set forth in your answer. Perhaps 
you could have another look at what I wrote previously and give me some 
more specific advice?


Thanks,
Michael


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Re: Please help me understand APT pinning...

[Michael Goetze]

Hi Javier,

 Does help Pin: release o=Unofficial* ?

 I don't sure, maybe this is a space character issue ? Did you test 
with quotes ?


Unfortunately, the suggested line doesn't help. As I already wrote:

 I have also tried l= instead of o=, as well as copypasting the
 complete release line from the output of apt-cache policy. I have
 tried using double quote characters.

Regards,
Michael

PS Please CC me on replies...


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Re: Please help me understand APT pinning...

[Boyd Stephen Smith Jr.]

In 4b60a4dc.2030...@mgoetze.net, Michael Goetze wrote:
I've struggled with this issue for hours and gotten no help from
Manpages, nor IRC. So if someone could help me and CC me on their reply
(as I am not subscribed), I would be very grateful.

=== Begin /etc/apt/preferences ===
[...]
Package: *
Pin: release o=Unofficial Multimedia Packages
Pin-Priority: 400

Package: *
Pin: origin deb.opera.com
Pin-Priority: 300
=== End /etc/apt/preferences ===
=== Begin output of apt-cache policy ===
Package files:
[...]
  990 http://mirror.netcologne.de squeeze/main Packages
  release v=None,o=Unofficial Multimedia
Packages,a=testing,n=squeeze,l=Unofficial Multimedia Packages,c=main
  origin mirror.netcologne.de
  990 http://deb.opera.com squeeze/non-free Packages
  release o=Opera Software ASA,a=testing,n=squeeze,l=The Opera web
browser,c=non-free
  origin deb.opera.com
[...]
=== End output of apt-cache policy ===

As you can see, I failed miserably. The very same method that works fine
for the grml packages, fails for the debian-multimedia packages. I have
also tried l= instead of o=, as well as copypasting the complete
release line from the output of apt-cache policy. I have tried using
double quote characters. I have tried changing the order of grml and
debian-multimedia in the preferences file. I have run aptitude update or
apt-get update after every change. Nothing works.

For Opera, I have not invested quite as much effort, especially since I
specifically want the origin feature, not the release feature, to
work here; however, release o=Opera Software ASA also does not work,
nor does adding double-quotes around deb.opera.com.

I think in both these cases you are being bit by having APT::Default-Release 
testing in /etc/apt/apt.conf(.d).  The relevant quote from man 5 
apt_preferences is The target release can be set on the apt-get command line  
or in the APT configuration file /etc/apt/apt.conf. Note that this has 
precedence over any general priority you set in the /etc/apt/preferences file 
described later, but not over specifically pinned packages.

Both the repositories you are having problems with use a=testing as part of 
their release.
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Re: Please help me understand APT pinning...

[Michael Goetze]

Hi Boyd,

I think in both these cases you are being bit by having APT::Default-Release 
testing in /etc/apt/apt.conf(.d).  The relevant quote from man 5 
apt_preferences is The target release can be set on the apt-get command line  
or in the APT configuration file /etc/apt/apt.conf. Note that this has 
precedence over any general priority you set in the /etc/apt/preferences file 
described later, but not over specifically pinned packages.


thanks for the pointer, which has enabled me to solve my problem.

Regards,
Michael


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Re: Please help me understand APT pinning...

[Javier Barroso]

On Wed, Jan 27, 2010 at 9:41 PM, Michael Goetze mgoe...@mgoetze.net wrote:
 Hi,

 I've struggled with this issue for hours and gotten no help from Manpages,
 nor IRC. So if someone could help me and CC me on their reply (as I am not
 subscribed), I would be very grateful.

 I am running a Debian Squeeze system. I want to install selected packages
 from debian-multimedia and grml on it. Furthermore, I don't trust Opera
 Software ASA completely, and therefore want to make sure no packages of
 theirs are installed over packages available from anywhere else. As a
 secondary goal, I want to use my ISP's mirror whereever possible, to avoid
 unnecessary internet traffic. Allow me to post my attempts to configure
 this:

 === Begin /etc/apt/sources.list ===
 deb http://mirror.netcologne.de/debian squeeze main contrib non-free
 deb http://mirror.netcologne.de/debian sid main
 deb http://deb.opera.com/opera/ squeeze non-free
 deb http://mirror.netcologne.de/debian-multimedia.org squeeze main
 deb http://mirror.netcologne.de/www.grml.org/deb.grml.org/ grml-testing main
 === End /etc/apt/sources.list ===
 === Begin /etc/apt/preferences ===
 Package: *
 Pin: release o=The grml project
 Pin-Priority: 400

 Package: *
 Pin: release o=Unofficial Multimedia Packages
Does help Pin: release o=Unofficial* ?

I don't sure, maybe this is a space character issue ? Did you test with quotes ?

Regards,


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Please help me understand APT pinning...

[Michael Goetze]

Hi,

I've struggled with this issue for hours and gotten no help from 
Manpages, nor IRC. So if someone could help me and CC me on their reply 
(as I am not subscribed), I would be very grateful.


I am running a Debian Squeeze system. I want to install selected 
packages from debian-multimedia and grml on it. Furthermore, I don't 
trust Opera Software ASA completely, and therefore want to make sure no 
packages of theirs are installed over packages available from anywhere 
else. As a secondary goal, I want to use my ISP's mirror whereever 
possible, to avoid unnecessary internet traffic. Allow me to post my 
attempts to configure this:


=== Begin /etc/apt/sources.list ===
deb http://mirror.netcologne.de/debian squeeze main contrib non-free
deb http://mirror.netcologne.de/debian sid main
deb http://deb.opera.com/opera/ squeeze non-free
deb http://mirror.netcologne.de/debian-multimedia.org squeeze main
deb http://mirror.netcologne.de/www.grml.org/deb.grml.org/ grml-testing main
=== End /etc/apt/sources.list ===
=== Begin /etc/apt/preferences ===
Package: *
Pin: release o=The grml project
Pin-Priority: 400

Package: *
Pin: release o=Unofficial Multimedia Packages
Pin-Priority: 400

Package: *
Pin: origin deb.opera.com
Pin-Priority: 300
=== End /etc/apt/preferences ===
=== Begin output of apt-cache policy ===
Package files:
 100 /var/lib/dpkg/status
 release a=now
 400 http://mirror.netcologne.de grml-testing/main Packages
 release o=The grml project,a=grml-testing,n=grml-testing,l=grml,c=main
 origin mirror.netcologne.de
 500 http://mirror.netcologne.de squeeze/main Translation-en_US
 990 http://mirror.netcologne.de squeeze/main Packages
 release v=None,o=Unofficial Multimedia 
Packages,a=testing,n=squeeze,l=Unofficial Multimedia Packages,c=main

 origin mirror.netcologne.de
 990 http://deb.opera.com squeeze/non-free Packages
 release o=Opera Software ASA,a=testing,n=squeeze,l=The Opera web 
browser,c=non-free

 origin deb.opera.com
 500 http://mirror.netcologne.de sid/main Packages
 release o=Debian,a=unstable,n=sid,l=Debian,c=main
 origin mirror.netcologne.de
 990 http://mirror.netcologne.de squeeze/non-free Packages
 release o=Debian,a=testing,n=squeeze,l=Debian,c=non-free
 origin mirror.netcologne.de
 990 http://mirror.netcologne.de squeeze/contrib Packages
 release o=Debian,a=testing,n=squeeze,l=Debian,c=contrib
 origin mirror.netcologne.de
 990 http://mirror.netcologne.de squeeze/main Packages
 release o=Debian,a=testing,n=squeeze,l=Debian,c=main
 origin mirror.netcologne.de
Pinned packages:
=== End output of apt-cache policy ===

As you can see, I failed miserably. The very same method that works fine 
for the grml packages, fails for the debian-multimedia packages. I have 
also tried l= instead of o=, as well as copypasting the complete 
release line from the output of apt-cache policy. I have tried using 
double quote characters. I have tried changing the order of grml and 
debian-multimedia in the preferences file. I have run aptitude update or 
apt-get update after every change. Nothing works.


For Opera, I have not invested quite as much effort, especially since I 
specifically want the origin feature, not the release feature, to 
work here; however, release o=Opera Software ASA also does not work, 
nor does adding double-quotes around deb.opera.com.


So if anyone understands APT pinning... please help me!

Regards,
Michael

PS Again, please CC me, I am not subscribed to this list.


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Re: Please help me understand APT pinning...

[Boyd Stephen Smith Jr.]

On Wednesday 27 January 2010 14:41:00 Michael Goetze wrote:
 I've struggled with this issue for hours and gotten no help from
 Manpages, nor IRC. So if someone could help me and CC me on their reply
 (as I am not subscribed), I would be very grateful.

Try here: http://wiki.debian.org/AptPreferences
And then review my personal setup: http://iguanasuicide.net/node/4

(apt-cache policy) is good for reviewing your active pinning and gives some 
information you might find useful for writing the best Pin: line.

(apt-cache policy $package) is also good for individual packages.

Any specific questions after that, you can contact me via PM and I also watch 
the list.
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How to install other language pack in deiban? please help me out.

[Alexander Hwang]

Hi , I am a newbie of debian. I wanna to intalll another language pack in
debian. I was searching in Google , but found no ways.

So , what should I do? please help me out.

Alex


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Re: How to install other language pack in deiban? please help me out.

[jeremy jozwik]

On Fri, Sep 11, 2009 at 6:25 PM, Alexander Hwang chengz...@gmail.com wrote:
 Hi , I am a newbie of debian. I wanna to intalll another language pack in
 debian. I was searching in Google , but found no ways.

they are called locales
http://people.debian.org/~schultmc/locales.html

search locales for more tutorials.


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Re: How to install other language pack in deiban? please help me out.

[jeremy jozwik]

On Fri, Sep 11, 2009 at 8:29 PM, jeremy jozwik jerjoz.for...@gmail.com wrote:
 On Fri, Sep 11, 2009 at 6:25 PM, Alexander Hwang chengz...@gmail.com wrote:
 Hi , I am a newbie of debian. I wanna to intalll another language pack in
 debian. I was searching in Google , but found no ways.

 they are called locales
 http://people.debian.org/~schultmc/locales.html

 search locales for more tutorials.

from your email address im assuming you want chinese or taiwanese characters.
http://isis.poly.edu/~qiming/chinese-debian-mini-howto.html


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please help me to migrate to french-mailing-list

[Maurice Guerrier]

Hello, 

I'm from french, I tried to post my messages in this maling-list in english but 
sometimes it's difficults to explain what I mean, 

please explain me how to migrate to the french mailing.

 Guerrier MAURICE
Cell.: +33(0) 6 10 30 43 46


  

Re: please help me to migrate to french-mailing-list

[David Fox]

On Sun, Apr 19, 2009 at 11:33 AM, Maurice Guerrier guelo...@yahoo.com wrote:
 Hello,

 I'm from french, I tried to post my messages in this maling-list in english
 but sometimes it's difficults to explain what I mean,

Just subscribe to the debian-user-french mailing list the same way you
subscribed to this one. You can (optionally) unsubscribe to this one
after you start to get messages there.

La plume de ma tante est sur la table. :)

-- 
thanks for letting me change the magnetic patterns on your hard disk.


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Re: please help me to migrate to french-mailing-list

[Eduardo M KALINOWSKI]

Maurice Guerrier wrote:
 Hello,

 I'm from french, I tried to post my messages in this maling-list in
 english but sometimes it's difficults to explain what I mean,

 please explain me how to migrate to the french mailing.

See http://lists.debian.org/debian-user-french/ .

-- 
Linux is obsolete
-- Andrew Tanenbaum

Eduardo M KALINOWSKI
edua...@kalinowski.com.br


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Re: please help me to migrate to french-mailing-list

[mouss]

Maurice Guerrier a écrit :
 Hello,
 
 I'm from french, I tried to post my messages in this maling-list in
 english but sometimes it's difficults to explain what I mean,
 
 please explain me how to migrate to the french mailing.
  

french
Il n'y a rien à migrer. il suffit de s'inscrire à la liste française.
http://lists.debian.org/debian-user-french/
tu as déjà posté ta question la-bas, mais le message n'est pas plus
clair qu'ici. il faut expliquer clairement qu'est-ce qui se passe. dire
ça ne marche pas n'apporte rien. il faut donner un maximum
d'informations. sinon, on reste dans le brouillard.

si tes mails sont bloqués, il faut nous dire ta vraie adresse IP et ton
vrai domaine. sinon, on ne peut pas aider.

et si ton but est d'envoyer à partir de 93.3.90.40, alors il faudra
envoyer via le relai de ton opérateur.
/french

english
you already asked on the french list. you need to susbcribe to see the
answers that you get (you can see the few ones you already got in the
archives).

but please do an effort: do not say does not work, ne marche pas, ...


say what exactly happens and whether you are able to send to some
domains and not others or whether you can't send to any domain.

and when having a problem with postfix, show relevant postfix logs.

finally, if you have a deliverability problem (if you are blocked), we
can't help unless you give unedited/unobfuscated infos (real IP, real
domain name, ... etc).

if you are trying to send from 93.3.90.40, then you'll need to use your
ISP relay.
/english


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Please help me.

[Mohammad Reza Abbasy]

Hi.
please help me about 3ddesktop and flaming and  .
and please help me for minimum requirement graphic card for 3d
desktopn in debian etch 4.

thanks alot.


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freeradius - ldap problem Please Help Me!

[peppeska]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

I have a pppoe-freeradius-ldap system but I have a problem,
when I try to autenticate, freeradius response:


Sleeping until we see a request.
rad_recv: Access-Request packet from host 127.0.0.1:1030, id=57, length=54
Service-Type = Framed-User
Framed-Protocol = PPP
User-Name = peppeska
NAS-IP-Address = 127.0.0.1
NAS-Port = 0
  Processing the authorize section of radiusd.conf
modcall: entering group authorize for request 1
  modcall[authorize]: module preprocess returns ok for request 1
  modcall[authorize]: module mschap returns noop for request 1
rlm_realm: No '@' in User-Name = peppeska, looking up realm NULL
rlm_realm: No such realm NULL
  modcall[authorize]: module suffix returns noop for request 1
  rlm_eap: No EAP-Message, not doing EAP
  modcall[authorize]: module eap returns noop for request 1
users: Matched entry DEFAULT at line 155
users: Matched entry DEFAULT at line 173
users: Matched entry DEFAULT at line 185
  modcall[authorize]: module files returns ok for request 1
rlm_ldap: - authorize
rlm_ldap: performing user authorization for peppeska
radius_xlat:  '(cn=peppeska)'
radius_xlat:  'dc=example'
rlm_ldap: ldap_get_conn: Checking Id: 0
rlm_ldap: ldap_get_conn: Got Id: 0
rlm_ldap: performing search in dc=example, with filter (cn=peppeska)
rlm_ldap: Added password billuzzo in check items
rlm_ldap: looking for check items in directory...
rlm_ldap: looking for reply items in directory...
rlm_ldap: user peppeska authorized to use remote access
rlm_ldap: ldap_release_conn: Release Id: 0
  modcall[authorize]: module ldap returns ok for request 1
modcall: leaving group authorize (returns ok) for request 1
  rad_check_password:  Found Auth-Type MS-CHAP
auth: type MS-CHAP
  Processing the authenticate section of radiusd.conf
modcall: entering group MS-CHAP for request 1
  rlm_mschap: No MS-CHAP-Challenge in the request
  modcall[authenticate]: module mschap returns reject for request 1
modcall: leaving group MS-CHAP (returns reject) for request 1
auth: Failed to validate the user.
Login incorrect: [peppeska/no User-Password attribute] (from client
localhost port 0)
Delaying request 1 for 1 seconds
Finished request 1
Going to the next request
- --- Walking the entire request list ---
Waking up in 1 seconds...
- --- Walking the entire request list ---
Sending Access-Reject of id 57 to 127.0.0.1 port 1030
Waking up in 4 seconds...
- --- Walking the entire request list ---
Cleaning up request 1 ID 57 with timestamp 4600e291
Nothing to do.  Sleeping until we see a request.


Wath I must do? please, please, can you help me?

thank's you so much!


- --
  --
  |Giuseppe Moscato aka peppeska - Linux User - no html messages---|

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Please Help Me

[6622925157]

My son had his phone stolen and i can not afford another1 my number is 662 292 
4661

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