Re: [gentoo-user] Is my SSD dying?

[R0b0t1]

On Sat, Sep 2, 2017 at 8:49 AM, Peter Humphrey  wrote:
> A week or two ago I was investigating some other weirdnesses and at one
> point I zeroed out the first partition: the unformatted one containing the
> UEFI data. It took longer than I expected, having only 2MB to fill. I wonder
> if it strayed outside the partition...
>

Are you trimming your drive?

Re: [gentoo-user] Ruby - 3 versions - seriously????

[R0b0t1]

On Sat, Sep 2, 2017 at 4:37 PM, Marvin Gülker  wrote:
> Am 02. September 2017 um 22:57 Uhr +0200 schrieb Alan McKinnon 
> :
>> OK, so disclaimer up front. I detest Ruby. I hate it with a passion.
>
> There is nothing one can do against that, but...
>
>> Each new minor version of ruby is a whole new language and the devs
>> are OK with large breaking changes between minor version numbers.
>
> ...this is factually incorrect. There are new features added quite
> often, but minor versions are generally backwards-compatible. The one
> exception was the 1.8->1.9 switch years ago.

One of the reasons I dislike Ruby is that there is no complete
specification of the language available, making this statement
(technically) untestable. Seeing as the OP is saying there are 3
versions queued for merge and he has not installed any of them by hand
it looks like Alan is right. Perhaps the OP is using "old" Ruby based
software, but software of that age in another language could work on
new interpreters.

Cheers,
 R0b0t1.

Re: [gentoo-user] Re: Easiest way to block domains?

[Dale]

Rich Freeman wrote:
> On Sat, Sep 2, 2017 at 5:06 PM, Walter Dnes  wrote:
>> On Thu, Aug 31, 2017 at 09:19:00AM -0700, Ian Zimmerman wrote
>>> On 2017-08-31 08:47, Walter Dnes wrote:
>>>
 1) To protect my gear against power surges/spikes/drops
 2) To protect against the rare occurence when power goes off for 1
or 2 seconds
>>> I do the same.  Or at least I did until last week, when the UPS died
>>> after more than a decade of perfect service.  (Here, the outages are
>>> longer than 2 seconds; it's not often, but is very annoying when it
>>> happens, with the UPS square wave beeps.)
>>   I just had a second look at your message.  Did you say your UPS puts
>> out ***SQUARE WAVES***?  That is very bad for consumer grade electrical
>> stuff.
>>
> He said the beeps were square waves.  That is roughly what mine sound
> like, though mine is a sine-wave UPS.
>
> A lot of stuff can handle square wave power output, though PFC power
> supplies don't like it as I understand things.  I think most of the
> cheaper UPSs on the market still put out fairly raw inverter output.
>


I can tell you one thing that doesn't like square wave or the modified
square waves some UPSs put out.  The air pump for a fish tank.  The ones
I had and tried to run off a UPS when we had a large power failure would
not run off the UPS.  Generator, fine.  UPS, not happening.  I was told
that if one hooks up a 120v>120v transformer, it will work.  I never
tested that but according to the person that told me that, it changes
the wave enough that it is more like a sine wave, since transformers
don't recreate square to well.  It makes sense that it would work.

Also, some AC motors won't run off of it either.  They have a name for
the type of motor but can't recall what it is.  I think the compressors
in a fridge/freezer will run off that tho.  Then again, may vary by
model.  Our little small fans, won't run but they do get hot pretty
quick.  o_O 

Since power outages are not so often nowadays, I depend on the surge
protection in my UPS more than I do the backup power.  Both of my UPSs
have a LOT of MOVs in them.  I put new batteries in my old UPS last
month.  Third set of batteries in that thing.  It's pretty old but works
well. 

Odd how some things work and some don't. 

Dale

:-)  :-) 

Re: [gentoo-user] Re: Easiest way to block domains?

[Rich Freeman]

On Sat, Sep 2, 2017 at 5:06 PM, Walter Dnes  wrote:
> On Thu, Aug 31, 2017 at 09:19:00AM -0700, Ian Zimmerman wrote
>> On 2017-08-31 08:47, Walter Dnes wrote:
>>
>> > 1) To protect my gear against power surges/spikes/drops
>> > 2) To protect against the rare occurence when power goes off for 1
>> >or 2 seconds
>>
>> I do the same.  Or at least I did until last week, when the UPS died
>> after more than a decade of perfect service.  (Here, the outages are
>> longer than 2 seconds; it's not often, but is very annoying when it
>> happens, with the UPS square wave beeps.)
>
>   I just had a second look at your message.  Did you say your UPS puts
> out ***SQUARE WAVES***?  That is very bad for consumer grade electrical
> stuff.
>

He said the beeps were square waves.  That is roughly what mine sound
like, though mine is a sine-wave UPS.

A lot of stuff can handle square wave power output, though PFC power
supplies don't like it as I understand things.  I think most of the
cheaper UPSs on the market still put out fairly raw inverter output.

-- 
Rich

Re: [gentoo-user] Re: Easiest way to block domains?

[Walter Dnes]

On Thu, Aug 31, 2017 at 09:19:00AM -0700, Ian Zimmerman wrote
> On 2017-08-31 08:47, Walter Dnes wrote:
> 
> > 1) To protect my gear against power surges/spikes/drops
> > 2) To protect against the rare occurence when power goes off for 1
> >or 2 seconds
> 
> I do the same.  Or at least I did until last week, when the UPS died
> after more than a decade of perfect service.  (Here, the outages are
> longer than 2 seconds; it's not often, but is very annoying when it
> happens, with the UPS square wave beeps.)

  I just had a second look at your message.  Did you say your UPS puts
out ***SQUARE WAVES***?  That is very bad for consumer grade electrical
stuff.

-- 
Walter Dnes 
I don't run "desktop environments"; I run useful applications

Re: [gentoo-user] Ruby - 3 versions - seriously????

[Marvin Gülker]

Am 02. September 2017 um 22:57 Uhr +0200 schrieb Alan McKinnon 
:
> OK, so disclaimer up front. I detest Ruby. I hate it with a passion.

There is nothing one can do against that, but...

> Each new minor version of ruby is a whole new language and the devs
> are OK with large breaking changes between minor version numbers.

...this is factually incorrect. There are new features added quite
often, but minor versions are generally backwards-compatible. The one
exception was the 1.8->1.9 switch years ago. I have done quite a bit of
web developing with it and never had an API break problem with Ruby
itself, save the aforementioned 1.8/1.9 switch.

Granted, gems are quite different. RubyOnRails especially releases new
(breaking) versions way too fast for me; that's why I prefer to use
different libraries.

Marvin

[gentoo-user] Re: conf.d/net routes

[Ian Zimmerman]

On 2017-09-02 22:01, Mick wrote:

> ip route add 10.0.0.0/8 via 192.168.0.1 dev eth0

Ah, that's where the "via" comes from.  I didn't realize when I wrote my
OP that iproute2 would be used by default, and not the old route program
from net-tools.

Thanks.

-- 
Please don't Cc: me privately on mailing lists and Usenet,
if you also post the followup to the list or newsgroup.
Do obvious transformation on domain to reply privately _only_ on Usenet.

Re: [gentoo-user] conf.d/net routes

[Tom H]

On Sat, Sep 2, 2017 at 2:54 PM, Ian Zimmerman  wrote:
>
> What is the exact syntax of the *_routes lines in the /etc/conf.d/net
> file, or where is it documented?
>
> The wiki gives a couple of examples, but they are all either just for
> dhcp (so no configurable routes) or else they are of the form
>
> eth0_routes="default via eth0"
>
> "via" is not something I can use on the command line of the route
> command, at least according to its manpage. So it can't be just
> straight repetition of the command line. But then, what is it?
>
> Motivation: I want to add a route for a point-to-point interface.

For documentation, see "/usr/share/doc/netifrc-/"

For "via", "man ip-route".

Re: [gentoo-user] Ruby - 3 versions - seriously????

[Alan McKinnon]

On 02/09/2017 15:33, Andrew Lowe wrote:
> Hi all,
>   I'm in the process of doing a world update and due to a failed compile,
> I have cause to look up through the list of stuff to compile/update.
> Imagine my surprise when I saw there were three versions of Ruby wanting
> to update:
> 
> [ebuild U  ] dev-lang/ruby-2.4.1-r4 [2.4.1-r3]
> [ebuild U  ] dev-lang/ruby-2.3.4-r4 [2.3.4-r3]
> [ebuild U  ] dev-lang/ruby-2.2.7-r4 [2.2.7-r3]
> 
> Have I managed to stuff up something on my machine or is this really the
> case, there has to be three versions? And to make matters worse, they
> are not big version jumps, + 0.1 -> 2.2, 2.3 & 2.4.
> 
>   I would prefer to get rid of Ruby, but, if memory serves me correctly,
> someone associated with the kernel decided it would be a good idea to
> use yet another language for something, obviously Python wasn't good
> enough
> 
>   Thoughts on the magically multiplying Rubies would be greatly 
> appreciated,


Welcome to the giant clusterfuck that is RubyWorld(tm). Just be thankful
you don't have to support corporate internal code written in it. Or
package gems.

OK, so disclaimer up front. I detest Ruby. I hate it with a passion.

You have to understand what Ruby is. It is not a language. It is 5
languages. Like python27 and python3 are really different languages with
much in common. The difference is the python devs have solid reasons for
doing python3 and the transition has been mostly smooth. Each new minor
version of ruby is a whole new language and the devs are OK with large
breaking changes between minor version numbers.

So why 3 rubys? Because they are 3 languages and you have packages that
for whatever reason are tied to different rubys. Just pretend to
yourself that they aren't really ruby22, ruby23 and ruby24 - they are
php, perl and python (or whatever 3 language names you like that help
you get past the 3 rubys! thing).

You probably need all 3. As housekeeping, you can put this in make.conf:
RUBY_TARGETS="ruby22",
and remove all ruby versions from world
and let depclean, revdep-rebuild and emerge world take care of the details.

-- 
Alan McKinnon
alan.mckin...@gmail.com

Re: [gentoo-user] conf.d/net routes

[Mick]

On Saturday, 2 September 2017 19:54:48 BST Ian Zimmerman wrote:
> What is the exact syntax of the *_routes lines in the /etc/conf.d/net
> file, or where is it documented?
> 
> The wiki gives a couple of examples, but they are all either just for
> dhcp (so no configurable routes) or else they are of the form
> 
> eth0_routes="default via eth0"
> 
> "via" is not something I can use on the command line of the route
> command, at least according to its manpage.  So it can't be just
> straight repetition of the command line.  But then, what is it?
> 
> Motivation: I want to add a route for a point-to-point interface.

The /usr/share/doc/netifrc-0.5.1/net.example.bz2 page offers this:

10.0.0.0/8 via 192.168.0.1

Is this what you are after?

If you want to add a route in real time using the CLI, then this would work:

ip route add 10.0.0.0/8 via 192.168.0.1 dev eth0

-- 
Regards,
Mick

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[gentoo-user] Re: conf.d/net routes

[Ian Zimmerman]

On 2017-09-02 21:05, Simon Thelen wrote:

> > Motivation: I want to add a route for a point-to-point interface.

> You probably only need to list the peer address on a single line and
> then that peer should become routable.

The problem was that _two_ routes were being added: the host-specific
one (which was what I wanted), but _also_ one for a non-CIDR network
based on the peer IP.  Since the address was a 10.* address, I ended up
with a /8 route, which was definitely not wanted.

I got around it by suffixing the address with /32.  But I am surprised
that iproute2 apparently cannot explicilty set the IFF_POINTOPOINT flag
(ifconfig can).

-- 
Please don't Cc: me privately on mailing lists and Usenet,
if you also post the followup to the list or newsgroup.
Do obvious transformation on domain to reply privately _only_ on Usenet.

[gentoo-user] Re: conf.d/net routes

[Ian Zimmerman]

On 2017-09-02 21:11, Branko Grubic wrote:

> > Motivation: I want to add a route for a point-to-point interface.
> 
> Some examples you can find
> in /usr/share/doc/netifrc-0.5.1/net.example.bz2

That didn't really help much, sorry.

I figured out how to do it, but only by reading the shell code in
/lib/netifrc/net/* .  But at least you confirmed that netifrc is the
package responsible.  That package could use a volunteer to write some
real documentation :-P

-- 
Please don't Cc: me privately on mailing lists and Usenet,
if you also post the followup to the list or newsgroup.
Do obvious transformation on domain to reply privately _only_ on Usenet.

Re: [gentoo-user] conf.d/net routes

[Simon Thelen]

On 17-09-02 at 11:54, Ian Zimmerman wrote:
> What is the exact syntax of the *_routes lines in the /etc/conf.d/net
> file, or where is it documented?
[..]
> "via" is not something I can use on the command line of the route
> command, at least according to its manpage.  So it can't be just
> straight repetition of the command line.  But then, what is it?
As far as I'm aware it's based on ip-route(8) syntax separated by newlines.

There's a complete documentation file for netifrc in
/usr/share/doc/netifrc-/net.example[.bz2]

You'll probably be most interested in the "INTERFACE HANDLERS" section
and potentially the "Advanced Routing" section.
 
> Motivation: I want to add a route for a point-to-point interface.
You probably only need to list the peer address on a single line and
then that peer should become routable.

-- 
Simon Thelen

Re: [gentoo-user] conf.d/net routes

[Branko Grubic]

On Sat, 2 Sep 2017 11:54:48 -0700
Ian Zimmerman  wrote:

> What is the exact syntax of the *_routes lines in the /etc/conf.d/net
> file, or where is it documented?
> 
> The wiki gives a couple of examples, but they are all either just for
> dhcp (so no configurable routes) or else they are of the form
> 
> eth0_routes="default via eth0"
> 
> "via" is not something I can use on the command line of the route
> command, at least according to its manpage.  So it can't be just
> straight repetition of the command line.  But then, what is it?
> 
> Motivation: I want to add a route for a point-to-point interface.
> 

Some examples you can find
in /usr/share/doc/netifrc-0.5.1/net.example.bz2

Replace netifrc version with one installed on your system.

[gentoo-user] conf.d/net routes

[Ian Zimmerman]

What is the exact syntax of the *_routes lines in the /etc/conf.d/net
file, or where is it documented?

The wiki gives a couple of examples, but they are all either just for
dhcp (so no configurable routes) or else they are of the form

eth0_routes="default via eth0"

"via" is not something I can use on the command line of the route
command, at least according to its manpage.  So it can't be just
straight repetition of the command line.  But then, what is it?

Motivation: I want to add a route for a point-to-point interface.

-- 
Please don't Cc: me privately on mailing lists and Usenet,
if you also post the followup to the list or newsgroup.
Do obvious transformation on domain to reply privately _only_ on Usenet.

Re: [gentoo-user] Rename /dev/nvme0n1 to /dev/sda

[Mike Gilbert]

On Fri, Sep 1, 2017 at 12:10 PM, Grant  wrote:
> My new laptop uses /dev/nvme0n1 instead of /dev/sda which conflicts
> with the script I use to manage about 12 similar laptops running
> Gentoo.  Is there a udev method for renaming the disk that will work
> well with any USB disks that happen to also be attached?

I'm not certain what you mean by that, but I would guess that you want
the nvme disk to show up as /dev/sda, and the USB disk(s) to show up
as /dev/sd[b-z].

It is not possible to accomplish this using udev; the kernel owns the
/dev/sdX device namespace, and will sequentially create devices nodes
for SCSI-like block devices using that namespace. There is no way to
change that using a udev rule.

Re: [gentoo-user] Ruby - 3 versions - seriously????

[Peter Humphrey]

On Saturday, 2 September 2017 14:33:31 BST Andrew Lowe wrote:

> I'm in the process of doing a world update and due to a failed compile,
> I have cause to look up through the list of stuff to compile/update.
> Imagine my surprise when I saw there were three versions of Ruby wanting
> to update:
> 
> [ebuild U  ] dev-lang/ruby-2.4.1-r4 [2.4.1-r3]
> [ebuild U  ] dev-lang/ruby-2.3.4-r4 [2.3.4-r3]
> [ebuild U  ] dev-lang/ruby-2.2.7-r4 [2.2.7-r3]
> 
> Have I managed to stuff up something on my machine or is this really the
> case, there has to be three versions? And to make matters worse, they
> are not big version jumps, + 0.1 -> 2.2, 2.3 & 2.4.
> 
> I would prefer to get rid of Ruby, but, if memory serves me correctly,
> someone associated with the kernel decided it would be a good idea to
> use yet another language for something, obviously Python wasn't good
> enough
> 
> Thoughts on the magically multiplying Rubies would be greatly
> appreciated,
> 
>   Andrew

Won't portage let you remove any of them? On my system only qtwebkit and 
webkit-gtk need ruby, and they seem happy to accept version 2.2.6. Nothing 
apparently to do with the kernel.

-- 
Regards,
Peter.

Re: [gentoo-user] Is my SSD dying?

[Peter Humphrey]

On Saturday, 2 September 2017 13:28:44 BST Jacques Montier wrote:

> I once encountered the problem with my Crucial SSD.
> I found a procedure to make the SSD detected which worked for me.
> http://forums.crucial.com/t5/Crucial-SSDs/Why-did-my-SSD-quot-disappear-qu
> ot-from-my-system/ta-p/65215 Hope this will help.

Mine's by Samsung:

# lspci -v -s 05:00.0
05:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD 
Controller SM951/PM951 (rev 01) (prog-if 02 [NVM Express])
Subsystem: Samsung Electronics Co Ltd NVMe SSD Controller SM951/
PM951
Flags: bus master, fast devsel, latency 0, IRQ 35, NUMA node 0
Memory at fbd0 (64-bit, non-prefetchable) [size=16K]
I/O ports at d000 [size=256]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 00
Capabilities: [b0] MSI-X: Enable+ Count=9 Masked-
Capabilities: [100] Advanced Error Reporting
Capabilities: [148] Device Serial Number 00-00-00-00-00-00-00-00
Capabilities: [158] Power Budgeting 
Capabilities: [168] #19
Capabilities: [188] Latency Tolerance Reporting
Capabilities: [190] L1 PM Substates
Kernel driver in use: nvme

It's clearly visible to the kernel, and smartd finds it too if I tell it 
what to look for.

I don't want to start unplugging it unless I have to, as it's in a PCI slot 
and I'd probably make things worse. And it is only 18 months old, as I said.

A week or two ago I was investigating some other weirdnesses and at one 
point I zeroed out the first partition: the unformatted one containing the 
UEFI data. It took longer than I expected, having only 2MB to fill. I wonder 
if it strayed outside the partition...

-- 
Regards,
Peter.

[gentoo-user] Ruby - 3 versions - seriously????

[Andrew Lowe]

Hi all,
I'm in the process of doing a world update and due to a failed compile,
I have cause to look up through the list of stuff to compile/update.
Imagine my surprise when I saw there were three versions of Ruby wanting
to update:

[ebuild U  ] dev-lang/ruby-2.4.1-r4 [2.4.1-r3]
[ebuild U  ] dev-lang/ruby-2.3.4-r4 [2.3.4-r3]
[ebuild U  ] dev-lang/ruby-2.2.7-r4 [2.2.7-r3]

Have I managed to stuff up something on my machine or is this really the
case, there has to be three versions? And to make matters worse, they
are not big version jumps, + 0.1 -> 2.2, 2.3 & 2.4.

I would prefer to get rid of Ruby, but, if memory serves me correctly,
someone associated with the kernel decided it would be a good idea to
use yet another language for something, obviously Python wasn't good
enough

Thoughts on the magically multiplying Rubies would be greatly 
appreciated,

Andrew

Re: [gentoo-user] Rename /dev/nvme0n1 to /dev/sda

[Canek Peláez Valdés]

On Fri, Sep 1, 2017 at 11:10 AM, Grant  wrote:
>
> My new laptop uses /dev/nvme0n1 instead of /dev/sda which conflicts
> with the script I use to manage about 12 similar laptops running
> Gentoo.  Is there a udev method for renaming the disk that will work
> well with any USB disks that happen to also be attached?
>
> crw--- 1 root root 252, 0 Aug 31 11:34 /dev/nvme0
> brw-rw 1 root disk 259, 0 Aug 31 11:34 /dev/nvme0n1
> brw-rw 1 root disk 259, 1 Aug 31 11:34 /dev/nvme0n1p1
> brw-rw 1 root disk 259, 2 Aug 31 11:34 /dev/nvme0n1p2

Isn't so much easier to use labels? Those are automatically available
on /dev/disk/by-label, and you can use them in basically any type of
partition, including Windows (NTFS and vfat) and swaps.

Regards.
--
Dr. Canek Peláez Valdés
Profesor de Carrera Asociado C
Departamento de Matemáticas
Facultad de Ciencias
Universidad Nacional Autónoma de México

Re: [gentoo-user] Is my SSD dying?

[Jacques Montier]

Hello,

I once encountered the problem with my Crucial SSD.
I found a procedure to make the SSD detected which worked for me.
http://forums.crucial.com/t5/Crucial-SSDs/Why-did-my-SSD-quot-disappear-quot-from-my-system/ta-p/65215
Hope this will help.

Cheers,



*--*
*Jacques*

2017-09-02 11:51 GMT+02:00 Peter Humphrey :

> On Saturday, 2 September 2017 10:32:23 BST I wrote:
>
> > ... Now smartmon appears to run ok - provided that I remove DEVICESCAN
> > from /etc/smartd.conf and give it a specific device to monitor ...
>
> Some months ago someone here mentioned a test suite for SSDs, but I can't
> remember what it was called and now I can't find it. Can someone point me
> in
> the right direction, please?
>
> --
> Regards,
> Peter.
>
>
>

Re: [gentoo-user] Is my SSD dying?

[Peter Humphrey]

On Saturday, 2 September 2017 10:32:23 BST I wrote:

> ... Now smartmon appears to run ok - provided that I remove DEVICESCAN
> from /etc/smartd.conf and give it a specific device to monitor ...

Some months ago someone here mentioned a test suite for SSDs, but I can't 
remember what it was called and now I can't find it. Can someone point me in 
the right direction, please?

-- 
Regards,
Peter.

Re: [gentoo-user] Is my SSD dying?

[Peter Humphrey]

On Saturday, 2 September 2017 02:24:57 BST Adam Carter wrote:
> On Fri, Sep 1, 2017 at 7:46 PM, Peter Humphrey 
> wrote:

> > For the last week or two my NVMe SSD isn't being detected on startup. I
> > get this error on manual invocation:
> > 
> > # smartctl -a /dev/nvme0n1
> > smartctl 6.4 2015-06-04 r4109 [x86_64-linux-4.12.5-gentoo] (local build)
> 
> Probably also worth updating to 4.12.10, there's some important sounding
> security fixes in it, and the Changelogs for 4.12.6 and 4.12.8 mention
> nvme.

I went to version 6.5. Now smartmon appears to run ok - provided that I 
remove DEVICESCAN from /etc/smartd.conf and give it a specific device to 
monitor, like this:

/dev/nvme0n1 -a -o on -S on -s (S/../.././02|L/../../6/03)

(following an example in the file). So I'm still feeling somewhat edgy.

-- 
Regards,
Peter.

Re: [gentoo-user] Is my SSD dying?

[Peter Humphrey]

On Friday, 1 September 2017 10:54:45 BST Arthur Țițeică wrote:
> În 1 septembrie 2017 12:46:39 EEST, Peter Humphrey  
a scris:
> >Hello list,
> >
> >For the last week or two my NVMe SSD isn't being detected on startup. I
> >get
> >this error on manual invocation:
> >
> ># smartctl -a /dev/nvme0n1
> >smartctl 6.4 2015-06-04 r4109 [x86_64-linux-4.12.5-gentoo] (local
> >build)
> >Copyright (C) 2002-15, Bruce Allen, Christian Franke,
> >www.smartmontools.org
> >
> >/dev/nvme0n1: Unable to detect device type
> >Please specify device type with the -d option.
> 
> Smartmontools supports NVMe starting from version 6.5.

That was it - thanks. It's odd, though, that I hadn't noticed this before.

> >Most things still seem to be working, but do I need to rush out and buy
> >
> >another drive? This one's only 18 months old. I don't really want to
> >box up
> >the machine and send it to Watford under warranty.
> >
> >Two things that aren't working properly are KMail (surprise!), and
> >BOINC,
> >which insists that VirtualBox isn't installed, when of course it (more
> >or
> >less) always has been.
> 
> Is the boinc user in the vboxusers group?

Yes:

# groups boinc
vboxusers boinc

-- 
Regards,
Peter.

Re: [gentoo-user] Rename /dev/nvme0n1 to /dev/sda

[Andrew Savchenko]

On Fri, 1 Sep 2017 09:10:13 -0700 Grant wrote:
> My new laptop uses /dev/nvme0n1 instead of /dev/sda which conflicts
> with the script I use to manage about 12 similar laptops running
> Gentoo.  Is there a udev method for renaming the disk that will work
> well with any USB disks that happen to also be attached?

Yes, you can write an udev rule to create any names or symlinks you
want on any events selected by triggers. See
http://www.reactivated.net/writing_udev_rules.html
and udev docs.

Best regards,
Andrew Savchenko


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Re: [gentoo-user] Easiest way to block domains?

[Andrew Savchenko]

On Tue, 29 Aug 2017 01:38:42 -0400 Walter Dnes wrote:
>   I'm running a Core2-duo desktop from 2008 with 3 gigs of ram.  I want
> to run it into the ground, not throw it away while it's still
> functional.  With Gentoo optimization, pluse using ICEWM, it's generally
> snappy.  But there are a few web pages that throw the kitchen sink of
> 3rd-pary adservers+trackers.  178 unique servers for one web page will
> peg the load from the web browser to 150% of 1 cpu core.  On a 2-core
> machine, that is bad.  The browser is unresponsive for a few seconds at
> a time.
> 
>   I'm building up a rather large hosts file, but the adservers have a
> gazillion subnames for each domain, in a deliberate attempt to bypass
> hosts files.  It would be more effective block entire domains.  Is there
> a lightweight DNS server, or some iptables trick, or whatever, that'll
> block specified domains?

Use uBlock origin. Both firefox and chromium work perfectly fine
for me on a Core2Duo host. 


Best regards,
Andrew Savchenko


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