Slow performance when redirecting stdout to an existing disk file

2018-09-28 Thread Dave Ulrick
re any known issues with the Linux kernel, 'bash', glibc, or whatever else might be involved with standard I/O that might cause this issue? If this is not a known issue, what's the best way to open a bug ticket? I'm running Fedora 27 with the latest upgrades. The Linux ker

Re: Slow performance when overwriting disk file (was Re: Slow performance when redirecting stdout to an existing disk file)

2018-09-28 Thread Dave Ulrick
y. Dave On Fri, 28 Sep 2018, Dave Ulrick wrote: While debugging a custom program that can write large output files to stdout, I noticed that the run time as displayed by the Bash 'time' prefix wildly varied from run to run. It turns out that the issue isn't just with my p

Re: Slow performance when overwriting disk file (was Re: Slow performance when redirecting stdout to an existing disk file)

2018-09-28 Thread Dave Ulrick
using, but it is extra work that doesn't have to be done if you are creating a new file, which may explain the time difference. Thanks, that makes sense. Any idea of why unlink()ing the file seems to be faster than truncating it? Dave -- Dave Ulrick d-ulr...@c

Re: problem with awk

2010-06-01 Thread Dave Ulrick
"; This would give you a script like this: awk    'BEGIN { FS = " "; }   echo $2   END   { print "Fin" } ' testclean Alternatively, you may specify the field separator as an 'awk' option: awk -F " " '' testclean Dave --

Re: problem with awk

2010-06-02 Thread Dave Ulrick
gt; without 1 at the beginning of the line. Can you help please. >> > gawk '{print $2}' > will do what you want. If he's using spaces rather than tabs to delimit the fields, an additional (g)awk option will be needed: gawk -F "\t" '{print $2}' Dave -- Dave Ulrick Email: d-ulr...@comcast.net -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines

Re: problem with awk

2010-06-02 Thread Dave Ulrick
On Tue, 1 Jun 2010, Dave Ulrick wrote: Looks like a field separator (FS) problem. The field separator is used by 'awk' to divide a line into fields. The default 'awk' field separator is "\t" (tab) but your fields are separated by spaces. Try adding this ins

Re: Anyone aware of an rdesktop *replacement*?

2010-06-22 Thread Dave Ulrick
alf-baked patches). I'm not familiar with Windows 2008, but if all you need is to run rdesktop (RDP) over SSL you might take a look at 'stunnel': http://www.stunnel.org/ A quick Google ('stunnel rdp "windows 2008"') suggests that some folks have been su

Re: How do I select which monitor kdm will display login on?

2014-03-09 Thread Dave Ulrick
GreeterScreen values such as -1, 0, and 1 until you find the right one. Dave -- Dave Ulrick Email: d-ulr...@comcast.net -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduc

Re: [F16] update kernel, problem virtualbox

2012-01-28 Thread Dave Ulrick
never you install a new kernel RPM, making it unnecessary to run 'vboxdrv setup'. Dave -- Dave Ulrick Email: d-ulr...@comcast.net -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/us

Re: adios flash, watch youtube videos in html5

2012-01-31 Thread Dave Ulrick
han Flash was in use. Dave -- Dave Ulrick Email: d-ulr...@comcast.net -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have

Re: Various bugs with the new 5.7 kernel on Fedora 32

2020-07-26 Thread Dave Ulrick
On 7/26/20 2:23 PM, Samuel Sieb wrote: On 7/26/20 8:47 AM, Sreyan Chakravarty wrote: I just upgraded to the new 5.7 kernel and it has a lot of bugs. A "lot" of bugs? It can't even initialize my swap file: I too experienced the "swap file has holes" issue after I upgraded F32 to the 5.7 ke

Stemming a flood of kernel warnings

2012-09-10 Thread Dave Ulrick
han the annoyance caused by the frequent bug reports, it causes no visible harm to the function of my system. Thanks, Dave -- Dave Ulrick Email: d-ulr...@comcast.net -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org

Re: Stemming a flood of kernel warnings

2012-09-11 Thread Dave Ulrick
On Mon, 10 Sep 2012, Bryn M. Reeves wrote: On 09/10/2012 01:31 PM, Dave Ulrick wrote: Is there any possible way I could configure ABRT to stop nagging me about this particular bug? Note this "bug" is really just a WARN()/assertion in a kernel module (i915). Other than the annoyance

Re: Samsung Smart TV "crashes" NVidia driver, can't detect TV any more?

2022-01-18 Thread Dave Ulrick
On 1/18/22 5:40 PM, Sam Varshavchik wrote: Rogan Dawes writes: have to reboot to allow the laptop to detect the screen again. Xrandr does not detect the display if run manually, and the Settings app Displays page also doesn't show the TV. This is a rather difficult thing to google, I have ha

Persistence of Grub2 menu overrides

2022-01-25 Thread Dave Ulrick
Every so often I have to boot Linux into single-user mode. I do this by waiting for the Grub2 menu, selecting the desired kernel, and pressing 'e'. Then I select the 'linux' statement, add '1' to the end of the line, and boot with . This still works fine, but since upgrading to Fedora 34 I've

upower forgets UPS when nut-server starts

2022-03-30 Thread Dave Ulrick
I'm running Fedora 34 on three Linux systems that are connected to USB UPSes. I have installed NUT (Network UPS Tools) on all three. If I connect with nut-server stopped, upower detects the UPS: # upower -d Device: /org/freedesktop/UPower/devices/line_power_tps6598x_source_psy_i2c_INT3515o02_t

Re: upower forgets UPS when nut-server starts

2022-03-30 Thread Dave Ulrick
On 3/30/22 9:24 AM, Roger Heflin wrote: nut-server seems to connect to the device and tie up its port. It appears upower only accesses the device every so often and queries it. So then once nut-server is started upower cannot open the device again. It comes down to you cannot really have 2 sep

Re: following thunderbird upgrade to 102, it takes over 1h of 100% CPU to start

2022-09-02 Thread Dave Ulrick
On 8/28/22 3:25 AM, Eyal Lebedinsky wrote: f36, just updated and received thunderbird-librnp-rnp-102.2.0-1.fc36.x86_64 from thunderbird-91.12.0-1.fc36.x86_64 tb brings up the expected display but no input is accepted. The process is shown as running with 100% CPU     PID USER  PR  NI  

Re: following thunderbird upgrade to 102, it takes over 1h of 100% CPU to start

2022-09-03 Thread Dave Ulrick
On 9/3/22 5:35 AM, Tim via users wrote: On Fri, 2022-09-02 at 10:36 -0500, Dave Ulrick wrote: I see that TB 102 has a DNS-over-HTTPS option under General / Network Connection / Settings but it's disabled. Perhaps turn that function on, exit, off again, and see if it sets the new se

Re: following thunderbird upgrade to 102, it takes over 1h of 100% CPU to start

2022-09-03 Thread Dave Ulrick
On 9/3/22 8:18 AM, Dave Ulrick wrote: On 9/3/22 5:35 AM, Tim via users wrote: On Fri, 2022-09-02 at 10:36 -0500, Dave Ulrick wrote: I see that TB 102 has a DNS-over-HTTPS option under General / Network Connection / Settings but it's disabled. Perhaps turn that function on, exit, off

Re: "Dummy output" instead of sound card options, was working, now gone.

2022-09-05 Thread Dave Ulrick
On 9/5/22 5:04 PM, Barry wrote: I would expect that the hardware support is in the kernel. I thought alsa-lib did not have hardware specific code. Maybe try booting an older kernel to see the device comes back? If booting into an older kernel doesn't help... When hardware seems to disappear, I

Re: F37 XFCE bell – where to turn it off

2022-11-25 Thread Dave Ulrick
On 11/25/22 2:34 PM, Sam Varshavchik wrote: Sam Varshavchik writes: This is something that appears to be a new feature. In xfce4-terminal's settings' "Advanced" tab I found an "Audible Bell" that shuts this off. But ^G in emacs was still yapping away. I finally found "System Sounds" in aud

Re: where did all of these *$!#!! icons come form

2022-12-08 Thread Dave Ulrick
On 12/8/22 3:28 PM, Steven Usdansky via users wrote: Just a guess: you're displaying $HOME instead of $HOME/Desktop. Check ~/.config/user-dirs.dirs Also, to remove all icons from the XFCE desktop, open: Settings / Desktop / Icons and select 'None' from the Icon type menu. Dave

Re: F37 XFCE bell – where to turn it off

2022-12-19 Thread Dave Ulrick
On 11/26/22 4:09 PM, Sam Varshavchik wrote: Doug H. writes: On Sat, Nov 26, 2022, at 4:15 AM, Sam Varshavchik wrote: > This seems to be /usr/share/sounds/freedesktop/stereo/bell.oga That might be configured via: /etc/pulse/default.pa Mine has: load-sample-lazy x11-bell /usr/share/sounds/freed

Re: F37 XFCE bell – where to turn it off

2022-12-19 Thread Dave Ulrick
On 12/19/22 6:47 PM, Dave Ulrick wrote: It still seems wrong that the bell sound is forced on me regardless of XFCE event sounds being off, but this approach at least makes the behavior consistent across all login sessions: one sound for each bell event. I hardly know anything about

Re: F37 XFCE bell – where to turn it off

2022-12-19 Thread Dave Ulrick
On 12/19/22 7:02 PM, Dave Ulrick wrote: OK, I think I've found the root cause. It's in this stanza in /usr/share/pipewire/pipewire.conf context.modules = [     #{ name =     #    [ args  = { = ... } ]     #    [ flags = [ [ ifexists ] [ nofail ] ]     #}     #     # Loads a modul

Slowdown for outgoing traffic on Realtek Ethernet interface

2020-02-03 Thread Dave Ulrick
I'm running Fedora 30 on a somewhat older PC: $ uname -a Linux pc.localdomain 5.4.14-100.fc30.x86_64 #1 SMP Thu Jan 23 13:19:57 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux I am experiencing just one minor issue having to do with throughput on the PC's built-in Ethernet interface: # lspci -v -s

Re: Slowdown for outgoing traffic on Realtek Ethernet interface

2020-02-03 Thread Dave Ulrick
ties between my situation and the BZ make me wonder if there might be a common underlying issue. Dave On 2/3/20 9:26 PM, Ed Greshko wrote: On 2020-02-04 11:11, Dave Ulrick wrote: I am experiencing just one minor issue having to do with throughput on the PC's  built-in Ethernet interfa

Re: Slowdown for outgoing traffic on Realtek Ethernet interface

2020-02-08 Thread Dave Ulrick
On 2/3/20 9:26 PM, Ed Greshko wrote: On 2020-02-04 11:11, Dave Ulrick wrote: I am experiencing just one minor issue having to do with throughput on the PC's  built-in Ethernet interface: Sounds as if it may be this? https://bugzilla.redhat.com/show_bug.cgi?id=1797232 I think I've

Re: Slowdown for outgoing traffic on Realtek Ethernet interface

2020-02-10 Thread Dave Ulrick
Patrick, glad to see you got your issue sorted out! I've experienced a similar issue with network cables once or twice. And now a word from the original poster... :-) On 2/8/20 5:18 PM, Dave Ulrick wrote: I've ordered a PCIE Gigabit Ethernet card in hopes that it will have a ch

Unnecessary hard drive spin-ups

2020-02-11 Thread Dave Ulrick
Suppose I have a "green" USB hard drive that frequently spins down the drive in order to save energy, then spins back up when a file system mounted on it is accessed. It is  mounted at /var/backups. I'm logged in as a non-root user with my home directory as my current working directory. The fi

Re: Unnecessary hard drive spin-ups

2020-02-12 Thread Dave Ulrick
or under a less popular directory (e.g., /mnt/backups)  and see if that behaves any differently. Thanks, Dave On 2/12/20 7:11 AM, Tim via users wrote: On Tue, 2020-02-11 at 19:53 -0600, Dave Ulrick wrote: I'm logged in as a non-root user with my home directory as my current working dire

Re: Unnecessary hard drive spin-ups

2020-02-12 Thread Dave Ulrick
On 2/12/20 7:53 AM, Dave Ulrick wrote: Interesting thought. I can envision how a lookup for /var/xyz could cause everything under /var to be looked up, and I can see how /var/cache or /var/run would be frequently read.  I'll try mounting a green USB drive's file system at a t

Re: Unnecessary hard drive spin-ups

2020-02-12 Thread Dave Ulrick
On 2/12/20 7:09 PM, Roger Heflin wrote: It may be the pwd command doing it. It works like this: if something runs pwd when its cwd is under say /var/log then pwd goes through all files in /var/log until it finds .. then it goes up a directory and repeats, until it gets to /. That makes sense. J

Dual monitors not always powering off

2020-05-05 Thread Dave Ulrick
Hi, I have dual monitors configured on a Fedora 30 PC. I'm using the XFCE4 desktop. Using xscreensaver I've configured the monitors to be powered off after 15 minutes of inactivity. 90+% of the time the monitors do get powered off, but every once in a while I'll come back to my PC and see tha

New fc33/FF 90.0/amazon.com issue

2021-07-23 Thread Dave Ulrick
Starting the morning of 7/23/2021 around 8 AM Central US time, I started to experience issues with many Web pages at amazon.com. Instead of the desired page, a picture of a dog would appear with a message "Something went wrong at our end" or "Sorry we couldn't find that page." The issue appears

Re: New fc33/FF 90.0/amazon.com issue

2021-07-24 Thread Dave Ulrick
On 7/23/21 1:46 PM, Patrick O'Callaghan wrote: There was a major outage of the Akamai content distribution network which affected many services. It seems to be working now. amazon.com seemed to be working OK when I got online yesterday evening, but this morning the dog pages are back when

Re: New fc33/FF 90.0/amazon.com issue

2021-07-24 Thread Dave Ulrick
I think I've got the issue narrowed down: - FF 90.0 with my primary FF profile: issue DOES occur - FF 90.0.2 with new FF profile: issue does NOT occur - FF 90.0 with profile created when I launched FF 90.0.2: issue DOES occur (I used about:profiles to open a new FF 90.0 browser using the FF 90.

Re: New fc33/FF 90.0/amazon.com issue

2021-07-24 Thread Dave Ulrick
On 7/24/21 11:27 AM, Patrick O'Callaghan wrote: I would look at the browser cache as prime suspect. Try clearing it. poc Clearing cache makes no difference. I tried this just now: 1. FF 90.0.2: correct content for Cart and Account pages. Good. 2. Quit FF 90.0.2. 3. FF 90.0: dog page for Cart

Re: New fc33/FF 90.0/amazon.com issue

2021-07-24 Thread Dave Ulrick
On 7/24/21 12:16 PM, Dave Ulrick wrote: Clearing cache makes no difference. I tried this just now: 1. FF 90.0.2: correct content for Cart and Account pages. Good. 2. Quit FF 90.0.2. 3. FF 90.0: dog page for Cart and Account pages. Bad. 4. FF 90.0: clear cache (Edit / Settings / Privacy and

Re: Extreme startup delay on F34

2021-07-28 Thread Dave Ulrick
On 7/28/21 8:07 AM, John Mellor wrote: Hi Chris, I can only describe my experiences.  On this Lenovo P300 machine, I have installed btrfs on a consumer drive, 2 enterprise drives, a matching pair of enterprise drives in btrfs RAID-1, and an ssd. All are single-ended SATA.  I have also replac

Re: New fc33/FF 90.0/amazon.com issue

2021-07-30 Thread Dave Ulrick
On 7/24/21 10:42 PM, doug.lindqu...@atlanticbb.net wrote: I ran into the same problem several months ago.  It was a bug in my vpn.  They updated it two days later and the bug went away allowing me to access amazon again. FF 90.0.2 just reached FC33 stable so I upgraded to it. New status:

Re: New fc33/FF 90.0/amazon.com issue

2021-07-30 Thread Dave Ulrick
.org's FF but not on FC33's FF? Bizarre... Dave On 7/30/21 8:51 AM, Tom Horsley wrote: On Fri, 30 Jul 2021 08:38:24 -0500 Dave Ulrick wrote: perhaps more likely, something got corrupted in the Firefox profile I've been using with the FC33 build. You could create a brand new u

Re: New fc33/FF 90.0/amazon.com issue

2021-07-30 Thread Dave Ulrick
On 7/30/21 10:51 AM, Patrick O'Callaghan wrote: [Try not to top-post, it messes up threading] My bad...I've reconfigured my email client to not top-post. Hope this looks better! I think what Tom meant was that you could create a new Linux user account to test this from a completely clean stat

Root file system skipped when mlocate (updatedb) is run via systemd timer

2021-08-02 Thread Dave Ulrick
I have several binaries matching /usr/bin/myth*. When mlocate-updatedb runs via a timer, the / file system is skipped so no files under /usr/bin are listed when I run "locate bin/myth". $ locate bin/myth /home/mythtv/bin/mythconverg-create /home/mythtv/bin/mythconverg-drop /home/mythtv/bin/myth

Re: Root file system skipped when mlocate (updatedb) is run via systemd timer

2021-08-02 Thread Dave Ulrick
On 8/2/21 10:52 AM, Dave Ulrick wrote: Any thoughts? Have I discovered a bug with mlocate-updatedb.timer or mlocate-updatedb.service? Just now I disabled mlocate-updatedb.timer and added an entry to root's crontab (using 'crontab -e'): SHELL=/bin/sh PATH=/usr/local/bin:

Re: Fedora 34 does not install on laptop, screen freezes

2021-08-18 Thread Dave Ulrick
On 8/18/21 9:00 AM, Eddie G. O'Connor Jr. wrote: Is there any way for you to connect an external display and then to try installing? (Just to eliminate the possibility of the graphics card being the issue) and then if it DOES install, then once you disconnect you should be ok. That's what I w

Re: Root file system skipped when mlocate (updatedb) is run via systemd timer

2021-08-18 Thread Dave Ulrick
On 8/18/21 2:16 PM, Jan-Henrik Sorsimo via users wrote: I see the same behavior since using a btrfs subvol for / Commenting PRUNE_BIND_MOUNTS = "yes" in /etc/updatedb.conf solves this problem. Indeed, that was it for me at least. Looks like the issue has been written about: https://pagure.io/

Re: OT: managed switch recommendations

2021-10-18 Thread Dave Ulrick
On 10/18/21 06:54, Richard Shaw wrote: On Mon, Oct 18, 2021 at 5:33 AM Frederic Muller wrote: Hi! Was looking for something safe and reliable, 8 or 16 ports, managed. I don't really need PoE. I've read really bad review on Netgear on Amazon. I am also looking for 'avera

Re: Does the program llvm break all the hardware or only some of it ?

2021-10-18 Thread Dave Ulrick
On 10/18/21 07:41, Dorian ROSSE wrote: I was read llvm is a virtual manager for lang C and i was launch a lot of c scripts finaly did this work had crash my fedora server because they were too much c scripts ? Although I can't really make sense of your particular issue (you might want to

Re: F35 problems with Xfce Application Finder

2021-12-30 Thread Dave Ulrick
On 12/30/21 11:46 AM, Robert Moskowitz wrote: It has never worked right in F35. My last install was F32.  There I would type in vnc and the icon for TigerVNC client would appear, press enter and off I go.  Or same for other apps. But now in F35, I am seeing the dir location of the app?  I a