Re: too-nearly-full filesystem '/'. (was upgrade problem: space on '/' filesystem.)

[Ed Greshko]

On 10/20/19 9:45 AM, home user wrote:

Is there something more focused on the management and control aspects of this 
sub-system?


Well, the management and control of the journal is defined in journald.conf.

So, how about reading "man journald.conf"?

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Re: Laser printers that work out of the box

[Sam Varshavchik]

Matthew Miller writes:


On Sat, Oct 19, 2019 at 11:53:23AM -0400, Sam Varshavchik wrote:
> Has anyone gotten a laser printer recently, which worked out of the
> box without any fiddling, or downloading any blobs?

Yes. After getting fed up with a Brother printer which was supposed to work
but did not, I just got a Canon MF741C-743C. There is a non-supported but
available from Canon Linux driver, but I didn't need it — it shows up and
works as "driverless". This lets me set print quality, duplexing, etc., and
even shows me ink levels. No fuss at all.


This one doesn't even appear at

http://www.openprinting.org/printers/manufacturer/Canon

How did you determine in advance that it will work; or you just took your  
chances?




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Re: too-nearly-full filesystem '/'. (was upgrade problem: space on '/' filesystem.)

[home user]

(responding to Patrick)
> You mean journalctl: 
https://www.digitalocean.com/community/tutorials/how-to-use-journalctl-to... 



Thank-you.

Is there something more focused on the management and control aspects of 
this sub-system?


Bill.
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Re: HP DL-5170DN Printer not working

[Aaron Gray]

On Sunday, 20 October 2019, Derrik Walker v2.0  wrote:

> On 10/19/19 1:24 PM, Fred Smith wrote:
>
>> On Sat, Oct 19, 2019 at 03:43:06PM +0100, Aaron Gray wrote:
>>
>>> On Sat, 19 Oct 2019 at 07:47, Samuel Sieb <[1]sam...@sieb.net>
>>> wrote:
>>>
>>>
>>> The Setting>Devices>Printers says :-
>>> HL-5170DN
>>> Model: HL-5170DN BR-Script3
>>>
>> I'm 99% sure that HL-5170DN is NOT A HP PRINTER, but rather a Brother
>> printer.
>>
>> You need to get the proper installer program from the Brother website.
>>
>> This is correct. I have HL-5450DN.  It's great. One of the best laser
> printers I've ever had. Always worked well under Fedora.


My mistake dunno what I was thinking of when I wrote that !


>
> You can find the drivers here:
>
> https://support.brother.com/g/s/id/linux/en/index.html?c=us_
> ot&lang=en&comple=on&redirect=on


Ah thats great, wondering why the Fedora driver did not work, should this
go on bugzilla ?

Many thanks,

Aaron


-- 
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Re: HP DL-5170DN Printer not working

[Derrik Walker v2.0]

On 10/19/19 1:24 PM, Fred Smith wrote:

On Sat, Oct 19, 2019 at 03:43:06PM +0100, Aaron Gray wrote:

On Sat, 19 Oct 2019 at 07:47, Samuel Sieb <[1]sam...@sieb.net> wrote:

   


The Setting>Devices>Printers says :-
HL-5170DN
Model: HL-5170DN BR-Script3

I'm 99% sure that HL-5170DN is NOT A HP PRINTER, but rather a Brother
printer.

You need to get the proper installer program from the Brother website.

This is correct. I have HL-5450DN.  It's great. One of the best laser 
printers I've ever had. Always worked well under Fedora.


You can find the drivers here:

https://support.brother.com/g/s/id/linux/en/index.html?c=us_ot&lang=en&comple=on&redirect=on

- Derrik


Derrik Walker v2.0, RHCE
dwal...@doomd.net

"Those UNIX guys, they think weird!" -- John C. Dvorak
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Re: Can mke2fs -c -c be restarted

[George R Goffe via users]

Thanks for the responses.

Richard: it takes that long because of the "-c -c" option. As Berend says, it 
runs badblocks which "beats up a block at a time" writing/reading patterns... 
looking for errors. The man page for mke2fs is helpful.

Berend: THANK YOU FOR YOUR RESPONSE! I of course, didn't think of that. All I 
can say is WOW! Two weeks. I used to do this as a matter of course on ALL new 
drives but 2TB and above became prohibitively lengthy. I tried it on a 4TB 
drive IIRC and something like 85 hours comes to mind. That might have been a 
2TB drive though. Life is too short. Sigh.

As for using USB, I have several docking stations in use on a laptop, USB3.0... 
I have had drives "go away" and "come back" as other drive letters IF i make 
them too busy. I have written several bug reports on this, mostly on 
bugzilla.redhat.com. Things are getting better stability wise but didn't get 
much response from anyone. Even tried kernel.org... NO RESPONSE there. Sigh. I 
think it's the kernel reacting to prolonged delays in command execution... the 
system "thinks" the drive is gone due to a timeout of some kind and goes into 
error recovery... At least this is what it looks like. It is pure conjecture on 
my part though. Like the guy who complained to the Dr., "My arm hurts when I do 
that" to which the Dr. says, "Then don't do that". I don't make the drives as 
busy... doesn't hurt as much. Sigh...

Again, THANKS to all who responded.

George...



On Sat, 2019-10-19 at 10:29 +, George R Goffe via users wrote:
> Hi,
> 
> I have a 2TB HDD with a possibly major problem. I have cleared the
> data from it and have tried to run "mke2fs -t ext4 -j /dev/sdc1" but
> after 24 hours it had just finished the 0xaa phase and started
> reading when the drive seemingly dropped ready and was re-assigned as
> a new device to /dev/sdf. Argh. I did get an ended message with an
> ending block number. I'd like to restart at that point in time and
> continue the media check. I don't see anything in the mke2fs man page
> though.
> 
> Has anyone seen or heard of a way to do this?

mkfs -c just runs badblocks with the appropriate parameters.  You can
specify how many blocks to skip, for example badblocks /dev/sdc1 1234.

You'll need to specify the block size correctly to badblocks, and
you'll want badblocks -o /tmp/blocklist to save the bad blocks so mkfs
-l /tmp/blocklist reads it back.  To get the block size, format it
without -c and look at the output or use dumpe2fs.

Doing this over a USB2 cable took me two weeks last time I tried, for a
4TB drive.  I hope it's faster for you.


(related note: I find normal 2 and 4TB USB drives highly unreliable.)



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Re: Laser printers that work out of the box

[Matthew Miller]

On Sat, Oct 19, 2019 at 11:53:23AM -0400, Sam Varshavchik wrote:
> Has anyone gotten a laser printer recently, which worked out of the
> box without any fiddling, or downloading any blobs?

Yes. After getting fed up with a Brother printer which was supposed to work
but did not, I just got a Canon MF741C-743C. There is a non-supported but
available from Canon Linux driver, but I didn't need it — it shows up and
works as "driverless". This lets me set print quality, duplexing, etc., and
even shows me ink levels. No fuss at all.

I haven't figured out how to scan from Fedora Workstation, but I can scan
*from* the printer to an SMB share, so that's good enough for most scanning
use I have.

-- 
Matthew Miller

Fedora Project Leader
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Re: too-nearly-full filesystem '/'. (was upgrade problem: space on '/' filesystem.) (home user

[George R Goffe via users]

Hi,

Just my 2 cents.

first: I'm sure you remember that even if you find a huge file and remove it, 
the space it occupies will not be available IF the file is still open. I had a 
/var file system full some time ago and it was /var/log/messages that was HUGE. 
Removing it didn't help until I recycled syslogd.

second: Here's a function in my .bashrc that I use recursively on a filesystem 
that's getting close to being full. It's VERY helpful to me and I don't have to 
type a lot. :-)

dus ()
{ 
echo $sorttmp $sortmem;
case $# in 
0)
/usr/bin/du -xs -- .??* * 2> /dev/null | sort -k1nr | more
;;
*)
/usr/bin/du -xs -- $* 2> /dev/null | sort -k1nr | more
;;
esac
}


George...





  
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Re: Laser printers that work out of the box

[Ed Greshko]

On 10/19/19 11:53 PM, Sam Varshavchik wrote:

My printer's is on its last legs. I'm having some trouble finding a printer that's 
currently widely available on sale (US) and which appears as "works perfectly" 
on http://www.openprinting.org/printers/

I did find some Lexmark model, but when I check up on the replacement toner 
cartridges, they're priced in the $200 range (!). Apparently Lexmark uses a 
lockout chip on their toner cartridges, so you can use only OEM replacement 
toners.

Has anyone gotten a laser printer recently, which worked out of the box without any fiddling, or downloading any blobs? 


HP printers are supported well with the hplip package included in fedora

Google "budget laser printer" and look for HP models of interest to you.

You can also look to

https://developers.hp.com/hp-linux-imaging-and-printing/supported_devices/index

to verify your chosen printer is supported.

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Re: Laser printers that work out of the box

[sixpack13]

maybe a hint:

bought 9 years ago an Samsung ML-2851ND for ~110€
(OEM cartridge: ~90€ /5000 pages, non-OEM available ~ half prize).

http://www.openprinting.org/printer/Samsung/Samsung-ML-2851ND

Duplex, LAN and what was also an benefit: one part of the wearout components is 
build into the cartidge. 
I don't exactly know if this is the main cause it last so long (printed ~ 1 
pages only)

maybe you try to find an successor of my model.

IIRC, Samsung shifted it's printer production to HP, so maybe newer models are 
unable to run non-OEM cartrigdes ...
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Re: too-nearly-full filesystem '/'. (was upgrade problem: space on '/' filesystem.)

[Patrick O'Callaghan]

On Sat, 2019-10-19 at 12:40 -0600, home user wrote:
> Now, I'd like to turn to the logs (journal).  I've examined the Fedora 
> sys. admin. manual on this, and I've read the man pages suggested by 
> posters in this thread.  What I believe would be useful to me now is a 
> good tutorial on journal(d?).  Not a 5-credit PhD course, not a one-page 
> brief overview, but a good introductory tutorial.  Can someone refer me 
> to one on the internet, free, not requiring log-in?

You mean journalctl:

https://www.digitalocean.com/community/tutorials/how-to-use-journalctl-to-view-and-manipulate-systemd-logs

poc
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Re: too-nearly-full filesystem '/'. (was upgrade problem: space on '/' filesystem.)

[home user]

Now, I'd like to turn to the logs (journal).  I've examined the Fedora 
sys. admin. manual on this, and I've read the man pages suggested by 
posters in this thread.  What I believe would be useful to me now is a 
good tutorial on journal(d?).  Not a 5-credit PhD course, not a one-page 
brief overview, but a good introductory tutorial.  Can someone refer me 
to one on the internet, free, not requiring log-in?


thanks,
Bill.
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Re: HP DL-5170DN Printer not working

[Fred Smith]

On Sat, Oct 19, 2019 at 03:43:06PM +0100, Aaron Gray wrote:
>On Sat, 19 Oct 2019 at 07:47, Samuel Sieb <[1]sam...@sieb.net> wrote:
> 
>  On 10/18/19 10:16 AM, Aaron Gray wrote:
>  > I installed the standard driver but my printer is coming up with
>  :-
>  >
>  > ERROR NAME:
>  >  undefined
>  > COMMAND:
>  >  -2345X@PJL
>  > OPERAND STACK:
>  >
>  > Looking like its a BR-Script3 issiue
>  You say the standard driver, but which one is that?
> 
>The Setting>Devices>Printers says :-
>HL-5170DN
>Model: HL-5170DN BR-Script3

I'm 99% sure that HL-5170DN is NOT A HP PRINTER, but rather a Brother
printer.

You need to get the proper installer program from the Brother website.

Fred

-- 
 Fred Smith -- fre...@fcshome.stoneham.ma.us -
   Show me your ways, O LORD, teach me your paths;
 Guide me in your truth and teach me,
 for you are God my Savior,
And my hope is in you all day long.
-- Psalm 25:4-5 (NIV) 
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Laser printers that work out of the box

[Sam Varshavchik]

My printer's is on its last legs. I'm having some trouble finding a printer  
that's currently widely available on sale (US) and which appears as  
"works perfectly" on http://www.openprinting.org/printers/


I did find some Lexmark model, but when I check up on the replacement toner  
cartridges, they're priced in the $200 range (!). Apparently Lexmark uses a  
lockout chip on their toner cartridges, so you can use only OEM replacement  
toners.


Has anyone gotten a laser printer recently, which worked out of the box  
without any fiddling, or downloading any blobs?




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Re: HP DL-5170DN Printer not working

[Aaron Gray]

On Sat, 19 Oct 2019 at 07:47, Samuel Sieb  wrote:

> On 10/18/19 10:16 AM, Aaron Gray wrote:
> > I installed the standard driver but my printer is coming up with :-
> >
> > ERROR NAME:
> >  undefined
> > COMMAND:
> >  -2345X@PJL
> > OPERAND STACK:
> >
> > Looking like its a BR-Script3 issiue
>
> You say the standard driver, but which one is that?
>

The Setting>Devices>Printers says :-

HL-5170DN
Model: HL-5170DN BR-Script3
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Re: Can mke2fs -c -c be restarted

[Berend De Schouwer]

On Sat, 2019-10-19 at 10:29 +, George R Goffe via users wrote:
> Hi,
> 
> I have a 2TB HDD with a possibly major problem. I have cleared the
> data from it and have tried to run "mke2fs -t ext4 -j /dev/sdc1" but
> after 24 hours it had just finished the 0xaa phase and started
> reading when the drive seemingly dropped ready and was re-assigned as
> a new device to /dev/sdf. Argh. I did get an ended message with an
> ending block number. I'd like to restart at that point in time and
> continue the media check. I don't see anything in the mke2fs man page
> though.
> 
> Has anyone seen or heard of a way to do this?

mkfs -c just runs badblocks with the appropriate parameters.  You can
specify how many blocks to skip, for example badblocks /dev/sdc1 1234.

You'll need to specify the block size correctly to badblocks, and
you'll want badblocks -o /tmp/blocklist to save the bad blocks so mkfs
-l /tmp/blocklist reads it back.  To get the block size, format it
without -c and look at the output or use dumpe2fs.

Doing this over a USB2 cable took me two weeks last time I tried, for a
4TB drive.  I hope it's faster for you.


(related note: I find normal 2 and 4TB USB drives highly unreliable.)
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Re: Can mke2fs -c -c be restarted

[Richard Shaw]

On Sat, Oct 19, 2019 at 5:30 AM George R Goffe via users <
users@lists.fedoraproject.org> wrote:

> Hi,
>
> I have a 2TB HDD with a possibly major problem. I have cleared the data
> from it and have tried to run "mke2fs -t ext4 -j /dev/sdc1" but after 24
> hours it had just finished the 0xaa phase and started reading when the
> drive seemingly dropped ready and was re-assigned as a new device to
> /dev/sdf. Argh. I did get an ended message with an ending block number. I'd
> like to restart at that point in time and continue the media check. I don't
> see anything in the mke2fs man page though.
>
> Has anyone seen or heard of a way to do this?
>

Why did it take that long? Even on large drives mke2fs (or mkfs, mkfs.ext4)
should take seconds to maybe a minute, not 24 hours. I think that's your
primary problem. The whole drive isn't written to when creating any modern
filesystem.

Also, journaling should be on by default for ext3/4 formats otherwise
there's no real benefit over ext2.

Thanks,
Richard
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Can mke2fs -c -c be restarted

[George R Goffe via users]

Hi,

I have a 2TB HDD with a possibly major problem. I have cleared the data from it 
and have tried to run "mke2fs -t ext4 -j /dev/sdc1" but after 24 hours it had 
just finished the 0xaa phase and started reading when the drive seemingly 
dropped ready and was re-assigned as a new device to /dev/sdf. Argh. I did get 
an ended message with an ending block number. I'd like to restart at that point 
in time and continue the media check. I don't see anything in the mke2fs man 
page though.

Has anyone seen or heard of a way to do this?

Best regards,

George...
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SOLVED Re: F30 last two updates won't boot, kernel 5.3 can't mount RAID0

[Christopher Ross]

OK, after more searching the 'net I have found the answer. It seems 
RAID0 was unintentionally broken since kernel 5.3.1, but there is a 
workaround



On 19/10/2019 08:42, Christopher Ross wrote:


There have been two kernel updates this past week:
kernel-core-5.3.5-200.fc30.x86_64
kernel-core-5.3.6-200.fc30.x86_64

Neither of these will boot for me. I get so far as the Fedora splash 
screen in graphics mode but never the login screen.


Oct 19 07:24:38 snoopy.tebibyte.org systemd[1]: local-fs.target: 
Triggering OnFailure= dependencies.
Oct 19 07:24:38 snoopy.tebibyte.org systemd[1]: local-fs.target: Job 
local-fs.target/start failed with result 'dependency'.
Oct 19 07:24:38 snoopy.tebibyte.org systemd[1]: Dependency failed for 
Local File Systems.

...

Under the last kernel that does boot 
(kernel-core-5.2.18-200.fc30.x86_64), the device it is references 
looks like this :
lrwxrwxrwx. 1 root root 9 Oct 19 07:30 
"/dev/disk/by-uuid/a1aaca46-f02d-4407-90ab-1067eecea53d" -> "../../md0"


Where md0 is a RAID0 of 4 x 1TiB discs.




Thanks to a not dissimilar query on the ArchLinux lists:

(https://bbs.archlinux.org/viewtopic.php?pid=1868823#p1868823)
It's a bug, recently discovered, that caused the raid0 layout to 
change unintentionally a while back, so now they're in a pickle... 
they have two layouts and the metadata doesn't say which is correct.


If they fix the unintentional change, they corrupt all raid0 using the 
unintended new layout; if they don't fix it, they corrupt all raid0 
using the old layout. Both choices are wrong so they decided instead 
to make it "stop working entirely" until the sysadmin decides how they 
want to corrupt their raid0.


so you have to add a kernel paramter: raid0.default_layout=1 for new 
or =2 for old 3.x kernel raid0s





Regards,
Chris R.



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F30 last two updates won't boot, kernel 5.3 can't mount RAID0

[Christopher Ross]

There have been two kernel updates this past week:
kernel-core-5.3.5-200.fc30.x86_64
kernel-core-5.3.6-200.fc30.x86_64

Neither of these will boot for me. I get so far as the Fedora splash 
screen in graphics mode but never the login screen.


I've been trying to debug this, and so far the biggest clue I have from 
the system log is the following:



Oct 19 07:24:38 snoopy.tebibyte.org systemd[1]: local-fs.target: 
Triggering OnFailure= dependencies.
Oct 19 07:24:38 snoopy.tebibyte.org systemd[1]: local-fs.target: Job 
local-fs.target/start failed with result 'dependency'.
Oct 19 07:24:38 snoopy.tebibyte.org systemd[1]: Dependency failed for 
Local File Systems.

Oct 19 07:24:38 snoopy.tebibyte.org systemd[1]: Dependency failed for /home.
Oct 19 07:24:38 snoopy.tebibyte.org systemd[1]: Dependency failed for 
File System Check on /dev/disk/by-uuid/a1aaca46-f02d-4407-90ab-1067eecea53d.
Oct 19 07:24:38 snoopy.tebibyte.org systemd[1]: Timed out waiting for 
device /dev/disk/by-uuid/a1aaca46-f02d-4407-90ab-1067eecea53d.
Oct 19 07:24:38 snoopy.tebibyte.org systemd[1]: 
dev-disk-by\x2duuid-a1aaca46\x2df02d\x2d4407\x2d90ab\x2d1067eecea53d.device: 
Job dev-disk-by\x2duuid-a1aaca46\x2df02d\x2d4407\x2d90ab\x2d1067e

ecea53d.device/start timed out.
Oct 19 07:23:35 snoopy.tebibyte.org systemd[1]: Mounted /boot.
Oct 19 07:23:35 snoopy.tebibyte.org kernel: EXT4-fs (sda1): mounted 
filesystem with ordered data mode. Opts: (null)

Oct 19 07:23:35 snoopy.tebibyte.org systemd[1]: Mounting /boot...

Followed by a bunch of errors not unexpected given that one.

Under the last kernel that does boot 
(kernel-core-5.2.18-200.fc30.x86_64), the device it is references looks 
like this :
lrwxrwxrwx. 1 root root 9 Oct 19 07:30 
"/dev/disk/by-uuid/a1aaca46-f02d-4407-90ab-1067eecea53d" -> "../../md0"


Where md0 is a RAID0 of 4 x 1TiB discs.

Q1 then, is how do I tell DNF not to delete the 5.2.18-200 kernel as it 
is the only one that currently works?
Q2 is what's up with 5.3 kernels and software raid, and what do I need 
to change to get it working again?


Many thanks for any and all help!

Regards,
Chris R.


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