Re: Printing From Fedora to HP Laser Jet 1020 on D-Link Print Server

[Tim]

Allegedly, on or about 26 July 2016, Manish Kathuria sent:
> The D-Link documentation suggests specifying
> http://172.16.100.1:631/printers/HP as the Printer URI. This
> configuration works very well over the network while using a Windows
> system but it does not print at all from the Fedora machine even after
> trying various permutations and combinations.

I'm going to ask the obvious question:  Is your Linux computer in the
same subnet as the printer?  (i.e. 172.16..)

Is that the IP of the printer?

For what it's worth, even if it is, browsing to that IP may not do you
any good.  They may simply have the printer listening, without providing
any interface.  That's what my HP LaserJet 4M does (it's there on the
network, listening and printing, but doesn't provide any kind of
interface to the outside world).

Is that the IP of the router?

In that case, I'd expect that the router is acting as an internet
printing server, and ought to have some kind of interface.  But you may
have more luck going to the root of the server (instead of directly to
the printer address), , to see if that gives
you an interface.

Other things to consider:

How is the Windows box printing to the printer?  Is it pre-rendering, or
is it sending generic printing data to the server, and the server
rendering for the specific printer.  You may have to do the same thing.

On Linux, a computer can send PostScript or PDF to a printer server, and
have it talk to the printer in its own language.  Or, you can pre-render
on the computer, and send that directly to the printer.  In the past,
I'd found that CUPs could automatically handle both types, but other
people say that you had to set up specific printer queues for each.

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Re: Date change on reboot

[Tim]

Allegedly, on or about 26 July 2016, geo.inbox.ignored sent:
> also, unless you are an enviro freak worrying about using electricity
> and feel you must shut down, consider this, component failure is most
> like to happen from a cold start than from full time power up.
> 
> in long run, a system will last longer if it stays up, with hdd heads
> parked, than it will turning on and off every time one is thru using.
> 
> from very start with s100 systems, i have my computers up 24/7/365.25.
> they are only taken down for maintenance, parts replacement. systems
> run with ups mains, including laptop. 

I tend to disagree about the 24/7 notion.  Coming from a video
production, and occasionally broadcasting, background, I'm well familiar
with the notion of keeping things on, and why.  Yes, switch-on is the
most common failure time, but it's by no means a given.  But I've found
that most equipment tends to last about the same amount of time whether
left running, or not (excluding the earlier wearing out of moving parts
from always being in motion, and relying on adequate cooling so that
things don't cook).  And that's with something like 30 years experience.

Leaving one PC on 24/7 may not be too expensive, but with households
with two or more, and modern PCs being 500+ watt monsters, it adds up to
more expensive power bills.  Particularly when you consider the modern
household with two or more TVs, a video recorder, microwave oven, stereo
system, computerised clothes washing machines, remote-controlled
air-conditioning and heating systems, etc., all permanently powered up
(some appliance's stand-by power is quite high).

Back when I was young, and dinosaurs roamed the earth, we only had two
electrical appliances permanently running in the house:  The fridge and
one electric alarm clock.  Everything else actually switched completely
off, when you switched it off by its own power switch.


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Re: Date change on reboot

[Tim]

Tim:
>> I'm still not convinced a PC clock is deliberately designed to run slow.
>> My experience with flattening BIOS batteries has been peculiar hardware
>> behaviour, can't say that I've noticed the time going skew whiff.

Joe Zeff:
> Don't forget that most PCs are always online, and adjusting their clocks 
> from the various time servers.  Mostly, today, you'd see the clock error 
> after the computer's been turned off for a while, or at least off-line. 
>   Back when most computers were only online occasionally, if at all, it 
> was more obvious.

To be honest, I think *most* PCs are nearly always switched off.  Most
PCs are owned by a vast majority of non-tech-heads, who don't leave them
running 24/7.

Back then, and still now with PCs that are off most of the time and
boot-up with wrong clocks that may get adjusted sometime after going
on-line, I've always put that down to simply bad timekeeping - PC clocks
were infamous for simply being crap.  And, no, in those cases, it
definitely was not low batteries.  That was one thing I kept an eye on.

That, and people who never bother to set their clocks properly, or at
all, because they simply didn't give a damn about it.  People like that
could be a right pain on mailing lists, as it screws things up.  Yes, I
know mail should be threaded by message ID headers, but when you get a
post allegedly from two weeks back, my client hides it for not being
current mail, other people's clients misfile it because they're sorting
by subject and date, etc.

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Re: fedora 23 bluetooth connection

[Samuel Sieb]

On 07/26/2016 10:15 AM, Tom Horsley wrote:

If you do a "dnf search bluetooth" you'll find what appear
to be several different bluetooth utilities. Some may be
dumber than others (certainly the new and improved gnome
control center printer tool has forced me to use the cups
web interface to get any actual printer tasks done, bluetooth
may be just as dumbed down for gnome).


I use system-config-printer.
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alsa.card versus index

[Tom Horsley]

If I run "pacmd list-cards" I get very confusing output
where the card with index: 0 has the property
alsa.card = "1", and the card with index: 1
has the property alsa.card = "0"

Since none of the command line utilities
that deal with cards ever document which
card number they mean in the help info,
I'd really like the numbers to match in
order to keep my head from exploding.

Anyone know how to influence either of these
numbers?
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Re: WiFi conflicting with Bluetooth

[Patrick O'Callaghan]

On Tue, 2016-07-26 at 17:17 -0400, Jon LaBadie wrote:
> On Tue, Jul 26, 2016 at 01:09:55PM -0600, Chris Murphy wrote:
> > 
> > On Tue, Jul 26, 2016 at 12:23 PM, George N. White III  
> > wrote:
> > 
> > > 
> > > Where I work, there is no wifi but iMacs are purchased with
> > > bluetooth mouse and keyboard.  With a bunch of systems in a cubicle farm,
> > > bluetooth is not reliable, so users switch to USB mouse and keyboard.
> > 
> > Wired keyboard is fine, it's rather stationary. But having reliably
> > used an Apple Magicmouse on macOS for years, there is no way I'd ever
> > go back to a wired mouse. I'd go so far as to use Windows if the only
> > other alternative was to go to a wired mouse.
> 
> Look into keyboard and mouse wireless dongles that are not bt.
> My desktop tower is pretty far behind me.  I use a Logitech
> kbd  They use a single, tiny usb dongle for both.  It
> was too great a distance, so I added a usb extender cable
> to get the dongle closer.  Works great.

Same here, however I'm pretty sure these things actually are BT under
the hood. I have a Microsoft kb/mouse combo with dongle and nothing on
the labelling or box mentions BT anywhere, but under "lsusb" I see "Bus
001 Device 003: ID 045e:0745 Microsoft Corp. Nano Transceiver v1.0 for
Bluetooth". I use the kb all the time, but the mouse is kept handy for
when I need to turn on BT for the other mouse! It acts exactly like a
USB wired mouse and *never* fails to connect. (I don't like the scroll
wheel, which is why I use the other one for normal work).

poc
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Re: Converting html file to PDF

[fred roller]

[snip]
>>
>> You could open it in a web browser and use the print to pdf option.
> [snip]
>

+1... Path of least resistance. I do it all the time.
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Re: WiFi conflicting with Bluetooth

[Rick Stevens]

On 07/26/2016 02:17 PM, Jon LaBadie wrote:
> On Tue, Jul 26, 2016 at 01:09:55PM -0600, Chris Murphy wrote:
>> On Tue, Jul 26, 2016 at 12:23 PM, George N. White III  
>> wrote:
>>
>>> Where I work, there is no wifi but iMacs are purchased with
>>> bluetooth mouse and keyboard.  With a bunch of systems in a cubicle farm,
>>> bluetooth is not reliable, so users switch to USB mouse and keyboard.
>>
>> Wired keyboard is fine, it's rather stationary. But having reliably
>> used an Apple Magicmouse on macOS for years, there is no way I'd ever
>> go back to a wired mouse. I'd go so far as to use Windows if the only
>> other alternative was to go to a wired mouse.
> 
> Look into keyboard and mouse wireless dongles that are not bt.
> My desktop tower is pretty far behind me.  I use a Logitech
> kbd  They use a single, tiny usb dongle for both.  It
> was too great a distance, so I added a usb extender cable
> to get the dongle closer.  Works great.

You may still have problems with BT. The wireless keyboard/mouse still
use RF energy in the 2.4GHz ISM band like bluetooth and 802.11. I'm not
saying you will have problems, but you might.
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Re: Converting html file to PDF

[Samuel Sieb]

On 07/26/2016 02:21 PM, jd1008 wrote:

The extensions of the files in abc.pdf.html_files directory are: .css,
.js , .png
The directory also contains the directory called viewer-vflqGVZhT_data

I tried to use pdfdoc to convert it to pure pdf and failed (sigabort).
I tried to use wkhtmltopdf and it only produced a blank page.

If there's javascript involved, those are not likely going to be able to 
do it.



Any info to help me accomlish converting this to 1 pdf file would be
greatly appreciated.


You could open it in a web browser and use the print to pdf option.
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Re: Date change on reboot

[geo.inbox.ignored]

On 07/26/2016 02:45 PM, Tom Horsley wrote:
> On Tue, 26 Jul 2016 14:23:25 -0500
> geo wrote:
>
>> you sure about that?
>
> Certainly it is true for every PC I had. The time of day
> clocks on most motherboards are so dreadful they loose
> or gain something like 10 minutes a day. Setting the
> time at boot from the network and keeping it set was
> essential for all my PCs over the years.
>
--->

if you have been using _mainboards_ [ i am old hat from s100 days. ;=) ]
that vary by 10 minutes a day, they are boards with piss poor cmos chips.

if you have ntpd and ntpdate enabled, your system clock will keep logs
correct after boot.

if you boot with network enabled and inet is accessed during boot, boot
logs/logging will reflect correction.

there are progs available that can reset cmos clock to correct time
during power down.

granted, logging time will be off when you cold boot, but logs will show
a time jump and such change can be noted if you have a problem during
boot up. tho what happened and corrected is much more important than
time being off.

also, unless you are an enviro freak worrying about using electricity
and feel you must shut down, consider this, component failure is most
like to happen from a cold start than from full time power up.

in long run, a system will last longer if it stays up, with hdd heads
parked, than it will turning on and off every time one is thru using.

from very start with s100 systems, i have my computers up 24/7/365.25.
they are only taken down for maintenance, parts replacement. systems
run with ups mains, including laptop.

from time to time, i will run a reboot, but that is just to clear up
memory and file back ups.

only time i have shut a system down and left down is when there is a
severe electrical storm is moving thru city and i can see lightening
flashes followed by very loud sound.

several years back, mains were lost thru out city for about 4 days and
mine was among them. after sitting in back yard of neighbor and 4 hours
had passed, i told them i was going to start my generator and run them
lines to they could keep their refrig up and have some light for at night.

after doing so, i powered systems back up, tweaked to low voltage drop
out point for ups so it would stop switching to full battery and beeping.

during the four days, systems stayed up and i was able to still play
with my system.

and yes, system clock stayed correct. B=)


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Converting html file to PDF

[jd1008]

I have an html file with it's associated directory containing the images.
the file is called:
abc.pdf.html
and the dir is
abc.pdf.html_files
The extensions of the files in abc.pdf.html_files directory are: .css,  
.js , .png

The directory also contains the directory called viewer-vflqGVZhT_data

I tried to use pdfdoc to convert it to pure pdf and failed (sigabort).
I tried to use wkhtmltopdf and it only produced a blank page.

Any info to help me accomlish converting this to 1 pdf file would be 
greatly appreciated.


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Re: WiFi conflicting with Bluetooth

[Jon LaBadie]

On Tue, Jul 26, 2016 at 01:09:55PM -0600, Chris Murphy wrote:
> On Tue, Jul 26, 2016 at 12:23 PM, George N. White III  
> wrote:
> 
> > Where I work, there is no wifi but iMacs are purchased with
> > bluetooth mouse and keyboard.  With a bunch of systems in a cubicle farm,
> > bluetooth is not reliable, so users switch to USB mouse and keyboard.
> 
> Wired keyboard is fine, it's rather stationary. But having reliably
> used an Apple Magicmouse on macOS for years, there is no way I'd ever
> go back to a wired mouse. I'd go so far as to use Windows if the only
> other alternative was to go to a wired mouse.

Look into keyboard and mouse wireless dongles that are not bt.
My desktop tower is pretty far behind me.  I use a Logitech
kbd  They use a single, tiny usb dongle for both.  It
was too great a distance, so I added a usb extender cable
to get the dongle closer.  Works great.

Jon
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Re: Your message to users@lists.fedoraproject.org awaits moderator approval

[Patrick O'Callaghan]

On Tue, 2016-07-26 at 14:52 -0600, Kevin Fenzi wrote:
> On Mon, 25 Jul 2016 16:36:07 +0100
> Patrick O'Callaghan  wrote:
> 
> > 
> > On Mon, 2016-07-25 at 08:22 -0700, Jonathan Ryshpan wrote:
> > > 
> > > I received the following message about 10 days ago, but still
> > > haven't seen it posted or received the moderators rejection notice.
> > >  Since there seems to be no way to reach the moderator directly,
> > > I'm reduced to posting this to the list.  
> > 
> > Did you try users-ow...@lists.fedoraproject.org?
> 
> FWIW, that address should work fine. 
> 
> I went and looked and somehow your post was still being held. 
> 
> It had a large image attachment to it.
> 
> Can you resend without the image or make the image smaller?

[I'm not the OP by the way]

The moderator should simply have rejected it as too large and avoided
this discussion.

poc
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Re: Your message to users@lists.fedoraproject.org awaits moderator approval

[Kevin Fenzi]

On Mon, 25 Jul 2016 16:36:07 +0100
Patrick O'Callaghan  wrote:

> On Mon, 2016-07-25 at 08:22 -0700, Jonathan Ryshpan wrote:
> > I received the following message about 10 days ago, but still
> > haven't seen it posted or received the moderators rejection notice.
> >  Since there seems to be no way to reach the moderator directly,
> > I'm reduced to posting this to the list.  
> 
> Did you try users-ow...@lists.fedoraproject.org?

FWIW, that address should work fine. 

I went and looked and somehow your post was still being held. 

It had a large image attachment to it.

Can you resend without the image or make the image smaller?

kevin


pgpqb16RyxGoF.pgp
Description: OpenPGP digital signature
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Re: fedora 23 bluetooth connection

[Roger Wells]

On 07/26/2016 01:15 PM, Tom Horsley wrote:
> On Tue, 26 Jul 2016 16:56:40 +0100
> Patrick O'Callaghan wrote:
> 
>> To be clear: this was in KDE. I don't know what the equivalent Gnome
>> control is.
> 
> If you do a "dnf search bluetooth" you'll find what appear
> to be several different bluetooth utilities. Some may be
> dumber than others (certainly the new and improved gnome
> control center printer tool has forced me to use the cups
> web interface to get any actual printer tasks done, bluetooth
> may be just as dumbed down for gnome).
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Thanks, I'll have a look and report back if anything good happens

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Re: Printing From Fedora to HP Laser Jet 1020 on D-Link Print Server

[fred roller]

On Tue, Jul 26, 2016 at 3:23 PM, Rick Stevens  wrote:

> On 07/26/2016 07:54 AM, Manish Kathuria wrote:
> >
> >
> > On Tue, Jul 26, 2016 at 8:11 PM, Tom Horsley  > > wrote:
> >
> > On Tue, 26 Jul 2016 19:55:41 +0530
> > Manish Kathuria wrote:
> >
> > > Has anyone tried a similar thing or can give any suggestions ?
> >
> > If the dlink box is running some variation of cups, then
> > you might try connecting to 172.16.100.1:631
> >  with a web
> > server to see if the admin interface has any useful info.
> >
> > Usually for network printers I have to use a ipp: url
> > to print. Something like ipp://10.134.60.18/ipp
> > 
> > --
> >
> >
> > The D-Link box is running a program called ippd and while they suggest
> > specifying http://172.16.100.1:631/printers/HP as the printer, accessing
> > http://172.16.100.1/ or http://172.16.100.1:631/printers through a
> > browser does not show anything.
> >
> > I did try using ipp://172.16.100.1/ipp  as the
> > printer URI but it did not work.
>
> Try browsing http://172.16.100.1:631
> --
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>

May seem off here, but have you tried HPLIP.  HP, in my experience, has
been good about working with Linux; especially with there Linux driver
HPLIP (HP Linux Imaging and Printing).  If the router is successfully
creating something to be discovered via the network then HPLIP should pick
it up fairly easy. If interested check out the Fedora Wiki on the subject
at:

https://fedoraproject.org/wiki/Printing/HPLIP

Once installed usually can add through normal add printer , add network
printer scenario, but read documentation just to be sure for your own case.
Hope this helps.
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Re: F24 gedit and large text files, background becomes black

[Rick Stevens]

On 07/26/2016 12:29 PM, Chris Murphy wrote:
> On Tue, Jul 26, 2016 at 9:51 AM, Earl A Ramirez  
> wrote:
>>>
>>>
>>> I use vi which I guess on Fedora is vim, but this is in GNOME
>>> Terminal. All I really want is something I can scroll with a trackpad
>>> or pageup/pagedown neither of which works well in vi. I could just cat
>>> the text file and then do scrolling with Terminal, but...
>>>
>> Have you tried vim-X11, it's a GUI vim.
> 
> Starts out really good, loads the text file fast and I can scroll
> pretty much right away. But about 30 seconds later, 100% CPU madness.
> It quickly recovers. Then I scroll some more and 100% CPU and
> scrolling stalls out. Looks like this happens only when scrolling up
> (backwards) rather than down. Oh yay, scrolling up is basically not
> usable with a document of this size apparently.
> 
> So far less in GNOME Terminal is being the most cooperative but I'm
> really not at all familiar with it so navigation is a bit rudimentary
> at the moment.
> 
> Funny enough, cat  in GNOME Shell gets me pretty much what I see
> in all of these other programs, a long 100% CPU burn cycle until it's
> done, I guess rendering, the file in Terminal. But scrolling is fast
> (I set the buffer to unlimited) and it uses next to no memory which is
> interesting now that I'm doing this on a 500MiB debug file...

I suspect the gedit stuff is reformatting and such based on font
displays, line wrapping, etc. You're probably going to hit that with
any large file or files with extra long lines. I also suspect the
vim-X11 scrollback is due to having de-buffer data and re-seek back
into the file (again, seeking for lines to "break" on), along with all
the glorious (tongue in cheek) overhead Gnome brings to the party.

I gave up on Gnome. The developers tend to ignore what users request,
make some really stupid (IMHO) decisions and it's an unconscionable
resource hog. While it's sort of pretty, it sure as hell ain't worth
it. I use Xfce or LXDE, mostly Xfce.
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Re: Date change on reboot

[Tom Horsley]

On Tue, 26 Jul 2016 14:23:25 -0500
geo wrote:

> you sure about that?

Certainly it is true for every PC I had. The time of day
clocks on most motherboards are so dreadful they loose
or gain something like 10 minutes a day. Setting the
time at boot from the network and keeping it set was
essential for all my PCs over the years.
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Re: F24 gedit and large text files, background becomes black

[Chris Murphy]

On Tue, Jul 26, 2016 at 11:48 AM, stan  wrote:
> On Tue, 26 Jul 2016 09:30:46 -0600
> Chris Murphy  wrote:
>
>
>> I use vi which I guess on Fedora is vim, but this is in GNOME
>> Terminal. All I really want is something I can scroll with a trackpad
>> or pageup/pagedown neither of which works well in vi. I could just cat
>> the text file and then do scrolling with Terminal, but...
>
> less is my solution to that.  I'm usually looking for a pattern in the
> output, and less allows that with the slash (/) command.  Even
> regexes.  And the space bar scrolls, as well as pgup / pgdn, and the
> scroll wheel works.  Arrow keys move right and left if wrapping is
> turned off. Marks work like in vi(m), so it is easy to flip between
> positions to compare, once positions are marked.  The best part is
> that it can be used as destination from a pipe and updated to see
> latest information while a process is running.

Less is more. This is pretty badass.
>
> I've never used it without a keyboard, though, so it might be clumsy
> there.  I just tried less with gnome terminal on a 65 MB file, and it
> worked great.  When I tried it on the 118 MB file it did as well as
> konsole or a virtual console.  That file has some really long lines (>
> 100k characters), so it takes some time to calculate output at the end
> when wrapping.  When I tried it on a 136 MB file, all less than 80
> columns, less in GNOME Terminal was instantaneous in flipping back and
> forth between start and end.  So GNOME Terminal isn't the problem.
> Probably the design of the program for the rare case of extremely long
> lines requiring wrapping is causing the delay.

I don't know what it is. These btrfs debug files don't have many lines
longer than 60 characters. A scant handful might be up to 80. The only
thing I see that makes lines long are long file names.

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Re: F24 gedit and large text files, background becomes black

[Joe Zeff]

On 07/26/2016 12:19 PM, Chris Murphy wrote:

On Sun, Jul 24, 2016 at 2:08 PM, Joe Zeff  wrote:

On 07/24/2016 01:01 PM, Chris Murphy wrote:


Thanks for that. What do you use?



You might try leafpad, from Xfce for a GUI editor.


Better. Same 100% CPU thing, doing something but I can't tell what, it
is responsive while this is going on though, and no screen redraw
problems like gedit.




Well then, try using something like nano in a text console.  That gives 
you a full screen editor but no GUI.  If that works, it's probably your 
DE; if not, it may be related to some sort of memory leak.

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Re: WiFi conflicting with Bluetooth

[Greg Woods]

On Tue, Jul 26, 2016 at 1:09 PM, Chris Murphy 
wrote:

> Wired ethernet ports are effectively deprecated on any modern laptop.


I don't know if I'd go that far. I agree many public or semi-public places
assume that the laptops and mobile devices will have WiFi, and it would be
hard to find a modern laptop that did NOT have a WiFi interface, but there
is still a use for wired ethernet, primarily speed. I have laptops at home,
and for normal use it's OK to just use WiFi. But I do plug in for two use
cases: 1) Backups and 2) Video viewing. For backups in particular, it takes
about 5 times longer to back up my laptop over WiFi than over a gigabit
wired link. In *theory* WiFi links can be very fast, but in practice they
almost never are anywhere close to gigabit speeds.

--Greg
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Re: F24 gedit and large text files, background becomes black

[Chris Murphy]

On Tue, Jul 26, 2016 at 9:51 AM, Earl A Ramirez  wrote:
>>
>>
>> I use vi which I guess on Fedora is vim, but this is in GNOME
>> Terminal. All I really want is something I can scroll with a trackpad
>> or pageup/pagedown neither of which works well in vi. I could just cat
>> the text file and then do scrolling with Terminal, but...
>>
> Have you tried vim-X11, it's a GUI vim.

Starts out really good, loads the text file fast and I can scroll
pretty much right away. But about 30 seconds later, 100% CPU madness.
It quickly recovers. Then I scroll some more and 100% CPU and
scrolling stalls out. Looks like this happens only when scrolling up
(backwards) rather than down. Oh yay, scrolling up is basically not
usable with a document of this size apparently.

So far less in GNOME Terminal is being the most cooperative but I'm
really not at all familiar with it so navigation is a bit rudimentary
at the moment.

Funny enough, cat  in GNOME Shell gets me pretty much what I see
in all of these other programs, a long 100% CPU burn cycle until it's
done, I guess rendering, the file in Terminal. But scrolling is fast
(I set the buffer to unlimited) and it uses next to no memory which is
interesting now that I'm doing this on a 500MiB debug file...




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Re: Date change on reboot

[geo]

On 07/26/2016 02:07 AM, Joe Zeff wrote:
> On 07/25/2016 11:19 PM, Tim wrote:
>>
>> I'm still not convinced a PC clock is deliberately designed to run slow.
>> My experience with flattening BIOS batteries has been peculiar hardware
>> behaviour, can't say that I've noticed the time going skew whiff.
> 
> Don't forget that most PCs are always online, and adjusting their clocks 
> from the various time servers.  Mostly, today, you'd see the clock error 
> after the computer's been turned off for a while, or at least off-line. 
>   Back when most computers were only online occasionally, if at all, it 
> was more obvious.
>
--->

you sure about that?

brain is a little cloudy right now, and recall is not supplying file
names, but linux and unix use their own time keeping routine.

routine counts from 'day 1' and iirc, there are 2 or 3 files, in /etc,
that are used to make corrections to the time keeping routine. one of
them is name 'adjtime'. do not recall others.


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Re: Printing From Fedora to HP Laser Jet 1020 on D-Link Print Server

[Rick Stevens]

On 07/26/2016 07:54 AM, Manish Kathuria wrote:
> 
> 
> On Tue, Jul 26, 2016 at 8:11 PM, Tom Horsley  > wrote:
> 
> On Tue, 26 Jul 2016 19:55:41 +0530
> Manish Kathuria wrote:
> 
> > Has anyone tried a similar thing or can give any suggestions ?
> 
> If the dlink box is running some variation of cups, then
> you might try connecting to 172.16.100.1:631
>  with a web
> server to see if the admin interface has any useful info.
> 
> Usually for network printers I have to use a ipp: url
> to print. Something like ipp://10.134.60.18/ipp
> 
> --
> 
> 
> The D-Link box is running a program called ippd and while they suggest
> specifying http://172.16.100.1:631/printers/HP as the printer, accessing
> http://172.16.100.1/ or http://172.16.100.1:631/printers through a
> browser does not show anything.
> 
> I did try using ipp://172.16.100.1/ipp  as the
> printer URI but it did not work.

Try browsing http://172.16.100.1:631
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Re: F24 gedit and large text files, background becomes black

[Chris Murphy]

On Sun, Jul 24, 2016 at 2:08 PM, Joe Zeff  wrote:
> On 07/24/2016 01:01 PM, Chris Murphy wrote:
>>
>> Thanks for that. What do you use?
>
>
> You might try leafpad, from Xfce for a GUI editor.

Better. Same 100% CPU thing, doing something but I can't tell what, it
is responsive while this is going on though, and no screen redraw
problems like gedit.


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Re: WiFi conflicting with Bluetooth

[Chris Murphy]

On Tue, Jul 26, 2016 at 12:23 PM, George N. White III  wrote:

> With a laptop the two most common use-cases are "mobile" where you are
> working unplugged/mobile with the laptops's keyboard and pointing device,
> and
> more stationary situations where you are plugged in to mains and may have
> access to a network jack, so many users won't need wifi and bluetooth at the
> same time.

Wired ethernet ports are effectively deprecated on any modern laptop.
My entire four building complex is wireless only. My parent's condo
building is the same way.


> Where I work, there is no wifi but iMacs are purchased with
> bluetooth mouse and keyboard.  With a bunch of systems in a cubicle farm,
> bluetooth is not reliable, so users switch to USB mouse and keyboard.

Wired keyboard is fine, it's rather stationary. But having reliably
used an Apple Magicmouse on macOS for years, there is no way I'd ever
go back to a wired mouse. I'd go so far as to use Windows if the only
other alternative was to go to a wired mouse.


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Re: WiFi conflicting with Bluetooth

[George N. White III]

On Tue, Jul 26, 2016 at 12:34 PM, Chris Murphy 
wrote:

> On Mon, Jul 25, 2016 at 12:07 PM, Rick Stevens 
> wrote:
> > On 07/23/2016 09:00 AM, Chris Murphy wrote:
> >> On Fri, Jul 22, 2016 at 2:37 PM, Tod Merley  wrote:
> >>> .. so what mods are loaded to handle wifi and bluetooth ...
> >>
> >> 03:00.0 Network controller [0280]: Broadcom Corporation BCM4331
> >> 802.11a/b/g/n [14e4:4331] (rev 02)
> >> Subsystem: Broadcom Corporation BCM4331 802.11a/b/g/n [14e4:4331]
> >> [...snip...]
> >> Kernel driver in use: bcma-pci-bridge
> >> Kernel modules: bcma
> >>
> >> lspci doesn't list Bluetooth. I'm not sure what driver is being  used,
> >> but I suspect one of these:
> >>
> >> btusb  45056  0
> >> snd_hda_codec_hdmi 45056  1
> >> btrtl  16384  1 btusb
> >> btbcm  16384  1 btusb
> >> btintel16384  1 btusb
> >> bluetooth 491520  36
> bnep,hidp,btbcm,btrtl,btusb,rfcomm,btintel
> >>
> >> It looks like bluetooth module just drags in generic, Intel, Broadcom,
> >> and Realtek device drivers, whether the hardware is present or not.
> >>
> >> I was almost ready to give up on b43/bcma because I don't get even get
> >> 802.11n support with that driver. What I found on Broadcom's site for
> >> Linux is hybrid-v35_64-nodebug-pcoem-6_30_223_271.tar.gz but I haven't
> >> gone down that rabbit hole yet.
> >
> > Try doing googling for this issue. I looked and the bcma driver doesn't
> > have a bluetooth co-exist flag like the iwlwifi does. I was going to
> > suggest making sure that was on, but since I don't see that option it'd
> > be useless.
> >
> > According to Broadcom:
> >
> > Do Bluetooth wireless technology and IEEE 802.11 interfere with each
> other?
> >
> > Bluetooth wireless technology and 802.11b/g both use the 2.4 GHz ISM
> > (Industrial, Scientific, Medical) unlicensed spectrum, and in some
> > configurations can interfere with each other. If the Bluetooth and
> > 802.11b/g antennas are more than 3 meters apart, however, interface in
> > minimal. Co-existence schemes such as adaptive frequency hopping have
> > been implemented to address potential interference issues and Broadcom
> > has introduced its InConcert® coexistence technology, which mitigates
> > interference problems.
> >
> > Hmmm. Apparently not in your case. Sorry.
>
>
> My guess is Apple's drivers for macOS and Windows do this adaptive
> hopping, and the open source drivers do not. Or at least, they can
> still conflict some of the time or in a manner that just causes
> bluetooth devices to get dropped and not recover until the wifi radio
> is turned off.
>

With a laptop the two most common use-cases are "mobile" where you are
working unplugged/mobile with the laptops's keyboard and pointing device,
and
more stationary situations where you are plugged in to mains and may have
access to a network jack, so many users won't need wifi and bluetooth at
the
same time.  Where I work, there is no wifi but iMacs are purchased with
bluetooth mouse and keyboard.  With a bunch of systems in a cubicle farm,
bluetooth is not reliable, so users switch to USB mouse and keyboard.



>
> But there are other problems with the b43 situation where it just
> doesn't get much dev attention anymore, and for Pete's sake I'm stuck
> on 802.11g, not even n is possible with b43.
>
>
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Re: USB drive name change -

[Bob Goodwin]

On 07/26/16 07:31, John Obaterspok wrote:



Yes, I apparently had it mounted as several devices but normally
it is /dev/sdd1.


Arne you aware that you can use /dev/disk/by-label/ now when you have 
a label set?


-- john



That was one of many things I was not aware of.

[bobg@Box10 ~]$ ls -al /dev/disk/by-label/
total 0
drwxr-xr-x. 2 root root  80 Jul 26 12:49 .
drwxr-xr-x. 6 root root 120 Jul 26 02:11 ..
lrwxrwxrwx. 1 root root  10 Jul 26 02:11 F23b -> ../../sda2
lrwxrwxrwx. 1 root root  10 Jul 26 12:49 st1000 -> ../../sdd1

Thanks,

Bob

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Re: F24 gedit and large text files, background becomes black

[stan]

On Tue, 26 Jul 2016 09:30:46 -0600
Chris Murphy  wrote:


> I use vi which I guess on Fedora is vim, but this is in GNOME
> Terminal. All I really want is something I can scroll with a trackpad
> or pageup/pagedown neither of which works well in vi. I could just cat
> the text file and then do scrolling with Terminal, but...
 
less is my solution to that.  I'm usually looking for a pattern in the
output, and less allows that with the slash (/) command.  Even
regexes.  And the space bar scrolls, as well as pgup / pgdn, and the
scroll wheel works.  Arrow keys move right and left if wrapping is
turned off. Marks work like in vi(m), so it is easy to flip between
positions to compare, once positions are marked.  The best part is
that it can be used as destination from a pipe and updated to see
latest information while a process is running. 

I've never used it without a keyboard, though, so it might be clumsy
there.  I just tried less with gnome terminal on a 65 MB file, and it
worked great.  When I tried it on the 118 MB file it did as well as
konsole or a virtual console.  That file has some really long lines (>
100k characters), so it takes some time to calculate output at the end
when wrapping.  When I tried it on a 136 MB file, all less than 80
columns, less in GNOME Terminal was instantaneous in flipping back and
forth between start and end.  So GNOME Terminal isn't the problem.
Probably the design of the program for the rare case of extremely long
lines requiring wrapping is causing the delay.
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Re: fedora 23 bluetooth connection

[Tom Horsley]

On Tue, 26 Jul 2016 16:56:40 +0100
Patrick O'Callaghan wrote:

> To be clear: this was in KDE. I don't know what the equivalent Gnome
> control is.

If you do a "dnf search bluetooth" you'll find what appear
to be several different bluetooth utilities. Some may be
dumber than others (certainly the new and improved gnome
control center printer tool has forced me to use the cups
web interface to get any actual printer tasks done, bluetooth
may be just as dumbed down for gnome).
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Re: fedora 23 bluetooth connection

[Patrick O'Callaghan]

On Tue, 2016-07-26 at 09:35 -0400, Roger Wells wrote:
> On 07/25/2016 05:55 PM, Ed Greshko wrote:
> > 
> > 
> > 
> > On 07/26/16 02:49, Roger Wells wrote:
> > > 
> > > Something changed (although not fatally):
> > > I use Bluetooth speakers quite often.
> > > Back in F22 or so after pairing the device merely turning it on caused
> > > Fedora to connect to it.
> > > Several months ago, now on F23,  (not sure when this problem appeared)
> > > that changed and after turning the speaker on, I have to go into
> > > Bluetooth Settings where the device appears as "Disconnected", select it
> > > and activate the "Connection" switch several times and it will
> > > eventually connect and be available for selection in the "Sound
> > > Settings" after which it works fine.
> > > Is there a path back? 
> > > 
> > > The setup is up to date Fedora 23 using Gnome 3.18.1-1.fc23.x86_64
> > > TIA,
> > 
> > I use F24, a Bluetooth headset, and KDE.  The GUI may be different but I 
> > think gnome
> > should have similar settings.
> > 
> > On my settings for the headset I have "trusted" checked.  Then there is 
> > another "tab"
> > called "Advanced Settings".  There is a drop down box for "Accept 
> > Automatically" and I
> > have "Trusted Devices" selected.
> > 
> > When I power on my headset it is connected automatically.
> > 
> Thanks for responding.
> 
> I don't see any Advanced Settings offer via the Gnome desktop and no
> mention of BT in the tweak tool.  I'll hunt around.

To be clear: this was in KDE. I don't know what the equivalent Gnome
control is.

poc
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Re: F24 gedit and large text files, background becomes black

[Earl A Ramirez]

>
>
>
> I use vi which I guess on Fedora is vim, but this is in GNOME
> Terminal. All I really want is something I can scroll with a trackpad
> or pageup/pagedown neither of which works well in vi. I could just cat
> the text file and then do scrolling with Terminal, but...
>
> Have you tried vim-X11, it's a GUI vim.

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Re: WiFi conflicting with Bluetooth

[Chris Murphy]

On Mon, Jul 25, 2016 at 12:07 PM, Rick Stevens  wrote:
> On 07/23/2016 09:00 AM, Chris Murphy wrote:
>> On Fri, Jul 22, 2016 at 2:37 PM, Tod Merley  wrote:
>>> .. so what mods are loaded to handle wifi and bluetooth ...
>>
>> 03:00.0 Network controller [0280]: Broadcom Corporation BCM4331
>> 802.11a/b/g/n [14e4:4331] (rev 02)
>> Subsystem: Broadcom Corporation BCM4331 802.11a/b/g/n [14e4:4331]
>> [...snip...]
>> Kernel driver in use: bcma-pci-bridge
>> Kernel modules: bcma
>>
>> lspci doesn't list Bluetooth. I'm not sure what driver is being  used,
>> but I suspect one of these:
>>
>> btusb  45056  0
>> snd_hda_codec_hdmi 45056  1
>> btrtl  16384  1 btusb
>> btbcm  16384  1 btusb
>> btintel16384  1 btusb
>> bluetooth 491520  36 bnep,hidp,btbcm,btrtl,btusb,rfcomm,btintel
>>
>> It looks like bluetooth module just drags in generic, Intel, Broadcom,
>> and Realtek device drivers, whether the hardware is present or not.
>>
>> I was almost ready to give up on b43/bcma because I don't get even get
>> 802.11n support with that driver. What I found on Broadcom's site for
>> Linux is hybrid-v35_64-nodebug-pcoem-6_30_223_271.tar.gz but I haven't
>> gone down that rabbit hole yet.
>
> Try doing googling for this issue. I looked and the bcma driver doesn't
> have a bluetooth co-exist flag like the iwlwifi does. I was going to
> suggest making sure that was on, but since I don't see that option it'd
> be useless.
>
> According to Broadcom:
>
> Do Bluetooth wireless technology and IEEE 802.11 interfere with each other?
>
> Bluetooth wireless technology and 802.11b/g both use the 2.4 GHz ISM
> (Industrial, Scientific, Medical) unlicensed spectrum, and in some
> configurations can interfere with each other. If the Bluetooth and
> 802.11b/g antennas are more than 3 meters apart, however, interface in
> minimal. Co-existence schemes such as adaptive frequency hopping have
> been implemented to address potential interference issues and Broadcom
> has introduced its InConcert® coexistence technology, which mitigates
> interference problems.
>
> Hmmm. Apparently not in your case. Sorry.


My guess is Apple's drivers for macOS and Windows do this adaptive
hopping, and the open source drivers do not. Or at least, they can
still conflict some of the time or in a manner that just causes
bluetooth devices to get dropped and not recover until the wifi radio
is turned off.

But there are other problems with the b43 situation where it just
doesn't get much dev attention anymore, and for Pete's sake I'm stuck
on 802.11g, not even n is possible with b43.


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Re: F24 gedit and large text files, background becomes black

[Chris Murphy]

On Sun, Jul 24, 2016 at 4:18 PM, stan  wrote:
> On Sun, 24 Jul 2016 14:01:08 -0600
> Chris Murphy  wrote:
>
>> On Sat, Jul 23, 2016 at 10:15 PM, stan 
>> wrote:
>>
>> > So, yes, it appears that if I was using gedit I would have the
>> > problem also.
>>
>> Thanks for that. What do you use?
>
> I use vim.  I know, a modal editor?

I use vi which I guess on Fedora is vim, but this is in GNOME
Terminal. All I really want is something I can scroll with a trackpad
or pageup/pagedown neither of which works well in vi. I could just cat
the text file and then do scrolling with Terminal, but...


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Re: Printing From Fedora to HP Laser Jet 1020 on D-Link Print Server

[Manish Kathuria]

On Tue, Jul 26, 2016 at 8:11 PM, Tom Horsley  wrote:

> On Tue, 26 Jul 2016 19:55:41 +0530
> Manish Kathuria wrote:
>
> > Has anyone tried a similar thing or can give any suggestions ?
>
> If the dlink box is running some variation of cups, then
> you might try connecting to 172.16.100.1:631 with a web
> server to see if the admin interface has any useful info.
>
> Usually for network printers I have to use a ipp: url
> to print. Something like ipp://10.134.60.18/ipp
> --
>
>
The D-Link box is running a program called ippd and while they suggest
specifying http://172.16.100.1:631/printers/HP as the printer, accessing
http://172.16.100.1/ or http://172.16.100.1:631/printers through a browser
does not show anything.

I did try using ipp://172.16.100.1/ipp as the printer URI but it did not
work.
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Re: Printing From Fedora to HP Laser Jet 1020 on D-Link Print Server

[Tom Horsley]

On Tue, 26 Jul 2016 19:55:41 +0530
Manish Kathuria wrote:

> Has anyone tried a similar thing or can give any suggestions ?

If the dlink box is running some variation of cups, then
you might try connecting to 172.16.100.1:631 with a web
server to see if the admin interface has any useful info.

Usually for network printers I have to use a ipp: url
to print. Something like ipp://10.134.60.18/ipp
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Printing From Fedora to HP Laser Jet 1020 on D-Link Print Server

[Manish Kathuria]

I have a D-Link DSL 2750U Router which also has a USB Port that can be used
to connect a USB Printer and make the router work as a Print Server.  I
have been trying to print to a HP Laser Jet 1020 Printer using this print
server from Fedora 23/24. The D-Link documentation suggests specifying
http://172.16.100.1:631/printers/HP as the Printer URI. This configuration
works very well over the network while using a Windows system but it does
not print at all from the Fedora machine even after trying various
permutations and combinations. Also, the printer works fine when its
connected locally to the Fedora 24 system.

Has anyone tried a similar thing or can give any suggestions ?

This laser printer is a "special printer" and uses the foo2zjs driver (
http://foo2zjs.rkkda.com/ ) to print on Linux and it loads a firmware on
the printer. The D-Linux DSL 2750U is also a Linux device and is running
ippd for this print server to work.  The printer is assigned the
/dev/usb/lp/lp0 device on the D-Link router. I could also find the firmware
for this printer on the router box under /etc/hotplug/firmware directory
and I assume it will be getting pushed to the printer when its connected.

TIA,

Manish Kathuria
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Re: fedora 23 bluetooth connection

[Roger Wells]

On 07/25/2016 05:55 PM, Ed Greshko wrote:
> 
> 
> On 07/26/16 02:49, Roger Wells wrote:
>> Something changed (although not fatally):
>> I use Bluetooth speakers quite often.
>> Back in F22 or so after pairing the device merely turning it on caused
>> Fedora to connect to it.
>> Several months ago, now on F23,  (not sure when this problem appeared)
>> that changed and after turning the speaker on, I have to go into
>> Bluetooth Settings where the device appears as "Disconnected", select it
>> and activate the "Connection" switch several times and it will
>> eventually connect and be available for selection in the "Sound
>> Settings" after which it works fine.
>> Is there a path back? 
>>
>> The setup is up to date Fedora 23 using Gnome 3.18.1-1.fc23.x86_64
>> TIA,
> 
> I use F24, a Bluetooth headset, and KDE.  The GUI may be different but I 
> think gnome
> should have similar settings.
> 
> On my settings for the headset I have "trusted" checked.  Then there is 
> another "tab"
> called "Advanced Settings".  There is a drop down box for "Accept 
> Automatically" and I
> have "Trusted Devices" selected.
> 
> When I power on my headset it is connected automatically.
> 
Thanks for responding.

I don't see any Advanced Settings offer via the Gnome desktop and no
mention of BT in the tweak tool.  I'll hunt around.

-- 
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Re: USB drive name change -

[John Obaterspok]

tisdag 26 juli 2016 skrev Bob Goodwin :

> On 07/26/16 01:15, Jon LaBadie wrote:
>
>> IIRC, yesterday you were labelling /dev/sde1, not sdd1.
>> Did it get enumerated differently today?
>>
>> If the system consistently mounts the drive to a specific
>> location (ex/run/media/bobg/ you could make a
>> symbolic link to the mount point in your homedir,
>> say /home/bobg/extdisc.  If the drive is mounted you
>> have an easy to use path to it.  Otherwise it will
>> just be a broken link, no problem.
>>
>> jon
>>
> +
>
> Yes, I apparently had it mounted as several devices but normally it is
> /dev/sdd1.
>
>
Arne you aware that you can use /dev/disk/by-label/ now when you have a
label set?

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Re: USB drive name change -

[Bob Goodwin]

On 07/26/16 01:15, Jon LaBadie wrote:

IIRC, yesterday you were labelling /dev/sde1, not sdd1.
Did it get enumerated differently today?

If the system consistently mounts the drive to a specific
location (ex/run/media/bobg/ you could make a
symbolic link to the mount point in your homedir,
say /home/bobg/extdisc.  If the drive is mounted you
have an easy to use path to it.  Otherwise it will
just be a broken link, no problem.

jon

+

Yes, I apparently had it mounted as several devices but normally it is 
/dev/sdd1.


Your suggestion is interesting but I don't think I need that. I have a 
Samba server set up as raid0 that I want to make changes to [eliminate 
the raid] and just needed a place to back up ~ 239GB of data, mostly 
image files. Once that is done my need for an external drive drops to 
virtually nothing. It's not to be accessed often, hopefully just once.


Bob

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Re: Date change on reboot

[Joe Zeff]

On 07/25/2016 11:19 PM, Tim wrote:


I'm still not convinced a PC clock is deliberately designed to run slow.
My experience with flattening BIOS batteries has been peculiar hardware
behaviour, can't say that I've noticed the time going skew whiff.


Don't forget that most PCs are always online, and adjusting their clocks 
from the various time servers.  Mostly, today, you'd see the clock error 
after the computer's been turned off for a while, or at least off-line. 
 Back when most computers were only online occasionally, if at all, it 
was more obvious.

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Re: WiFi conflicting with Bluetooth

[Tim]

Allegedly, on or about 25 July 2016, Rick Stevens sent:
> If the Bluetooth and 802.11b/g antennas are more than 3 meters apart,
> however, interface in minimal. 

Bit hard to do that when the hardware is buried in a laptop, for
instance.  I wonder if anyone's got information on manual configuration
of WiFi to avoid bluetooth issues, might be more flexible approached
from that angle.  Perhaps, simply turning the transmission power down,
if you don't need it full strength.


-- 
[tim@localhost ~]$ uname -rsvp
Linux 3.9.10-100.fc17.x86_64 #1 SMP Sun Jul 14 01:31:27 UTC 2013 x86_64

Boilerplate:  All mail to my mailbox is automatically deleted, there is
no point trying to privately email me, I only get to see the messages
posted to the mailing list.

George Orwell's '1984' was supposed to be a warning against tyranny, not
a set of instructions for supposedly democratic governments.


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Re: Date change on reboot

[Tim]

Allegedly, on or about 25 July 2016, Ed Greshko sent:
> Actually I would find it very odd that "digital" devices would run
> slower as a battery weakens.  I mean even my battery operated clocks
> at home work perfectly fine without losing time.  When the battery
> "dies" they just cease to function.

Some (clocks/watches) are good at running until the battery virtually
karks it.  But any voltage controlled oscillator / phased locked loop
circuit may have an accuracy threshold for the supply voltage, before it
completely stops.

I'm still not convinced a PC clock is deliberately designed to run slow.
My experience with flattening BIOS batteries has been peculiar hardware
behaviour, can't say that I've noticed the time going skew whiff.

-- 
[tim@localhost ~]$ uname -rsvp
Linux 3.9.10-100.fc17.x86_64 #1 SMP Sun Jul 14 01:31:27 UTC 2013 x86_64

Boilerplate:  All mail to my mailbox is automatically deleted, there is
no point trying to privately email me, I only get to see the messages
posted to the mailing list.

Windows (TM) [Typhoid Mary]. They refuse to believe that there's
anything wrong with it, but everyone else knows Windows is a disease
that spreads.


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Re: Issues with doing a fedup upgrade from 23 to 24

[Samuel Sieb]

On 07/25/2016 07:00 PM, Michael D. Setzer II wrote:

process on two other machines twice, and they did not upgrade. Can't see
the systems during the reboot process, and didn't see anything in the /var/log
files to show any errors.


Run "dnf system-upgrade log" to see a list of upgrade attempts.
Then run "dnf system-upgrade log " to see the log from the attempt.


Trying on those machines again, but after the failed system-upgrade, it has
to download all the files again??

It shouldn't, but you can copy the /var/lib/dnf/system-upgrade directory 
somewhere to keep them.  You can even copy that directory over to 
another computer to avoid downloading all the files again.

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