Newest Questions
245,326 questions
1
vote
0
answers
7
views
Add second host ethernet device to KVM virtual network
I'm setting up a lab environment for a relatively large distributed systems class next term. While we have a relatively beefy server(64cores, 256GB, 4TB Disk) that does run VMs for the 3rd year OS ...
- 11
0
votes
0
answers
24
views
Historiographical resources about Linux [closed]
While trying to document myself about some less known Linux features I found some kernel mailing list discussions that contained a lot of advanced and counter intuitive technical knowledge, sparkled ...
- 185
0
votes
0
answers
8
views
Key binds not work in Audacity - it loses window focus after appearance of modal on Devuan Xfce4
After upgrading Devuan to Excalibur, Audacity key binds works bad: window loses focus after appearance of any modal window: for example, when I click N, and modal window Noise Reduction appears, I ...
- 110
0
votes
0
answers
18
views
How to add a Fedora repository without errors?
I am trying to cleanly add a repository to my Fedora 43 system. Doing so works in the end, but it also spits out errors in the process of installation. My question is, what can be done against these ...
- 143
0
votes
1
answer
10
views
KDE Connect: File Transfer From Linux to Android
I was trying to transfer files from Linux to Android using KDE Connect. I added storage permissions for KDE Connect on Android. Then I run KDE Connect on Linux, use Share File, and select files but ...
- 191
0
votes
0
answers
9
views
There's no ping between two local Wi-Fi interfaces created by mac80211_hwsim and using NetworkManager as hotspot and client
1.-I've run sudo modprobe mac80211_hwsim radios=2 in a system to create wlan0 and wlan1 interfaces
2.-I've created the "/etc/NetworkManager/dnsmasq-shared.d/blabla.conf" file with this ...
- 228
1
vote
0
answers
13
views
Keyboard customization
I want my keyboard to behave exactly how I tell it to, but it seems like the tools for customizing the layout keep fighting over who is in control, and there are a few features that I've never been ...
- 177
0
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0
answers
19
views
the installed python311-dbm-xxx requires 'python311 = 3.11.13', but this requirement cannot be provided
I'm trying to patch a SLES 15 SP 4 system. But every time I do it I'm prompted with the following error:
Problem: 1: the installed python311-dbm-3.11.13-150400.9.60.1.x86_64 requires 'python311 = 3.11....
0
votes
0
answers
14
views
How can I reset corrupted font sizes in KDE Plasma 5.27?
My system is KDE (5.115.0) Plasma (5.27.12) on Ubuntu Studio (24.04), with a 32 inch 4k monitor.
There seems to have been some corruption of text-display values not accessible through System Settings. ...
- 101
-4
votes
4
answers
92
views
bash pipeline: syntax error near unexpected token 'else'
I'm working on the following pipeline (codeshare.io/243VJE):
#!/bin/bash
#SBATCH --nodes=1 --ntasks=1 --cpus-per-task=10
#SBATCH --time=2-00:00:00
#SBATCH --mem=40gb
#
#SBATCH --job-name=pan_pca
#...
- 387
0
votes
1
answer
42
views
LibreOffice looks old and ugly in Debian/KDE - how to make it use the proper dark breeze theme and look normal again?
It looks like this (LibreOffice Writer):
What is the problem here and how to make it look modern and good? I'd like to use a dark-mode of it and a breeze theme. I think it used to look better before ...
- 4,980
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votes
0
answers
12
views
How to change konsole to English - getting errors bash: warning: setlocale: LC_CTYPE: cannot change locale
When I open a new konsole window I keep getting these errors:
bash: warning: setlocale: LC_CTYPE: cannot change locale (en_XX.UTF-8): No such file or directory
bash: warning: setlocale: LC_COLLATE: ...
- 4,980
3
votes
4
answers
250
views
How to count the number of multi-valued attributes in an LDAP entry... or lines in a paragraph, where diff paragraphs have different numbers of lines?
I'm trying to figure out a way of counting how many attribute values (for a multi-valued attribute in LDAP) various different users have. For example, the data looks something like this...
dn: uid=...
- 33
0
votes
0
answers
13
views
How do I access the ATSPI dbus service
How do I view the whole object tree for atspi. All docs I have read say the name for atspi's dbus service is org.a11y.atspi.Registry but I dont get that when I list both the system and session ...
0
votes
0
answers
29
views
How to run a command before suspend before NetworkManager disconnects
I am trying to run /usr/bin/curl -s -X POST https://domain.com/webhook when my laptop suspends, however, I am having trouble getting it to run before my network disconnects.
I have tried a bunch of ...
0
votes
1
answer
18
views
Can I launch celluloid minimized?
I have the file below to launch celluloid with a specific audio file. The man page for celluloid doesn't say anything about launching it minimized, but that's what I want to do. Is there a way to do ...
- 290
1
vote
0
answers
22
views
Irregular SSH dropped connections on Maxstartups
Good afternoon,
I'm running OpenSSH_10.0p2 Debian-7, OpenSSL 3.5.4 30 Sep 2025 on a Debian 13 6.12.57-1 (2025-11-05) VPS server. The connection is fine. However, I see irregular dropped connections on ...
- 225
1
vote
1
answer
36
views
Kernel doesn't seem to boot (stuck on "Booting `Buildroot`")
My goal is to flash a very simple Linux image on an Advantech ASR-A502-X0A1 board using buildroot. After many unsuccessful tries, I decided to do as simple as possible and simply flash buildroot's ...
- 11
6
votes
3
answers
551
views
move files to directory according to prefix
I'm in the following situation
> ls
H9/ HG01109_chr1_hap1_contigs.list HG01952_chr1_hap2_contigs.list HG02572/ HG03486_chr1_hap1_contigs.list
...
- 387
-7
votes
0
answers
58
views
Cannot login using the username and password created during Kali Linux installation [closed]
How is it possible to set up a Kali Linux installation so that the password that I just set up works?
The default credentials do not work:
username: root
password: toor
I could go on listing all the ...
- 1
0
votes
2
answers
62
views
Ubuntu issues with mouse scroll wheel slipping
Been struggling with this for a bit. I'm a bit of a linux newbie, so please keep that in mind (e.g. I might not know something you think is common knowledge).
I've started a new job a few months ago ...
0
votes
1
answer
46
views
Determining the compression level used to compress a file with zstd on a BTRFS file system
Compressing files with zstd under BTRFS is possible in the following ways, for example:
sudo btrfs filesystem defragment -r -v -czstd -L 3 /
The following points are required for this to work:
BTRFS-...
- 198
1
vote
1
answer
31
views
NFSd number of threads rationalizing the correct value for a cluster
in RHEL-8.10 using NFS version 4.2 with all default settings, everything happening over port 2049, in /etc/nfs.com under [nfsd] there is threads=8.
For a cluster whose head node has 2 Intel XEON cpu'...
- 9,196
1
vote
0
answers
42
views
Wireguard in network namespace - few packets pass, then traffic stops
I'm trying to have a ProtonVPN wireguard running in network namespace, so that all traffic from/to namespace goes out via vpn.
I have tried to follow multiple guides/tools (few links below) but ...
- 11
3
votes
0
answers
53
views
Pitfalls of direct IO with block devices?
I'm building a database on top of io_uring and the NVMe API. I need a place to store seldomly used append like records (older parts of message queues, columnar tables that has been already aggregated, ...
- 185
0
votes
1
answer
64
views
Resolving High HostMemoryUnderMemoryPressure Alarms on Linux Server Under vm.swappiness=0 Restriction
I'm constantly receiving HostMemoryUnderMemoryPressure alarms from a high-resource Linux server, which are triggered and immediately resolved. The alarm detail indicates a high rate of major page ...
- 1
5
votes
2
answers
438
views
Querying application versions in Debian-style Linux versions
I'm going through a somewhat painful exercise of updating an application server which, among other things, runs some legacy Windows code in a Qemu guest.
The legacy Windows code, which will be in use ...
0
votes
2
answers
104
views
'journald' log file sizes remain unchanged
NOTE: I've edited the question to try to make it more clear; the
original wording may have been confusing.
In an effort to ensure that journald is using persistent (and not volatile) storage, I've ...
- 3,928
0
votes
0
answers
21
views
Launching Browser in Wayland/Cosmic w/ bash script as "non-steam" game in steam doesn't transfer ownership of controller or allow for the overlay
The situation:
I've been converting my family to Linux for quite some time now. I'm currently in the process of replacing their Roku with a Media PC (in this specific case, Pop_OS! 24.04 using Wayland ...
- 125
-1
votes
0
answers
49
views
Accessing files on network device via USB port [closed]
I have a network device (USB cable modem) connected to a Linux laptop via USB port: is it possible to access underlying OS file system (eCos real-time OS) running on the modem via USB port? I tried to ...
- 1,471
1
vote
0
answers
48
views
Using Debian's `equivs` to create a "substitute" package
I learned of equivs recently from this Q&A. However, the problem I was trying to solve was different than the "missing package" issue described there. What I wanted to do was use equivs ...
- 3,928
1
vote
1
answer
35
views
Why does apk try to install power-profiles-daemon here?
I'm trying to upgrade my postmarketOS Edge system but running into this problem:
$ sudo apk upgrade -a
ERROR: unable to select packages:
power-profiles-daemon-0.30-r1:
breaks: tuned-ppd-2.26.0-...
- 1,532
-1
votes
1
answer
34
views
Why does fsck.exfat not print any progress info while it runs?
I'm running fsck.exfat -y -v on a large volume on an HDD - several TB's. And - while the disk seems to be spinning, and the process seems to be taking up a bit of CPU - no progress info is printed, ...
- 11.1k
0
votes
1
answer
32
views
Give run0 privileges to user1 (an admin) as root?
I am very paranoid about security, trying to push the limits. I am curious about nosuid because I think it is very cool that we can prevent files from executing with elevated permissions by setting it ...
- 1
1
vote
1
answer
69
views
Debian LUKS error with Dolphin, Thunar, and Nautilus: 'bd_crypto_luks_open_blob called but not implemented', cannot open LUKS partition/device
I am trying to open an encrypted LUKS partition on a USB stick and a hard drive under Debian using Dolphin, Thunar, and Nautilus, and I get the message:
bd_crypto_luks_open_blob called but not ...
- 10.2k
9
votes
1
answer
762
views
Why could a perfectly accessible file fail to be opened due to EACCES?
I made a custom ~/.asoundrc on Ubuntu 24.04, but when I run alsamixer I get an error:
ALSA lib conf.c:4123:(config_file_open) cannot access file /home/ruslan/.asoundrc
ALSA lib conf.c:4043:(...
- 3,660
6
votes
2
answers
743
views
Are some bash ambiguous job specs impossible to differentiate?
$ sleep 1234&
$ sleep 12345678&
$ %sleep\ 1234
bash: fg: sleep 1234: ambiguous job spec
$ jobs
[1]- Running sleep 1234 &
[2]+ Running sleep 12345678 &
...
- 667
0
votes
0
answers
43
views
GRUB2 not finding the background_image command
I recently installed fedora, and I wanted to add a background to GRUB, so I modified my /etc/default/grub to look like this:
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-...
- 119
0
votes
1
answer
35
views
nfs mount not working in Kubuntu but working in Opensuse
I have a Raspberry with a nfs running and I could mount it on my laptop with openSuse without any problems but after setting up the laptop (no changes on Raspberry) with Kubuntu, the mount gets stuck.
...
-1
votes
0
answers
69
views
LibreOffice Writer Opens Linked XML File Only With LibreOffice Writer
Debian Bullseye. XFCE version 4.16. LibreOffice version 7.0.4.2
I have a file, foo.xml. I have a LibreOffice Writer document that contains a hyperlink to the said foo.xml file. When I ctrl-click on ...
- 363
-2
votes
0
answers
38
views
Recommendation for the ZSH framework
Okay, I use OMZ (Oh My Zsh), which is slow and clunky.
I'm looking for another framework for ZSH.
Basically I don't need any plugins, just a general explanation of ZSHELL settings, models, etc. etc. I ...
1
vote
1
answer
45
views
How to test that my terminal can report progress with OSC 9;4; sequences?
OSC (“Operating System Commands” according to ConEmu) 9;4;x;y sequences are codes that inform the terminal of the progress of any task.
Each software has to implement this support to report the ...
- 2,038
0
votes
0
answers
51
views
the shell escape security issue with the container
I have develop a latex render engine that run with kubernetes container pod, now I want to supprot the minted package that need to open the shell escape feature.
use std::process::Command;
use std::...
- 791
0
votes
0
answers
43
views
xRDP: Can't connect to session in Devuan 6 (Debian 13 trixie)
I have been using xRDP in Devuan 5 (Debian 12 bookworm) with KDE 5.x without any problems. However, after upgrading a testing machine to Devuan 6 (Debian 13 trixie) with KDE 6.x, I can no longer ...
- 155
-4
votes
5
answers
119
views
Linux: how to remove starting from chars?
I have those lines
mycommand --option1
mycommand --option2
mycommand --option3
mycommand --option4
mycommand -h
mycommand -i
mycommand -z
mycommand -1
I want to remove all until - or -- appear
so I ...
- 14.5k
0
votes
2
answers
95
views
Exclude substrings in a large string
On some linux systems the following command will output a single large string
rpm -qa --qf '%{NAME} '
For those who don't have this command it outputs values with the following pattern:
a b c d e f g
...
- 137
2
votes
1
answer
83
views
Only protect deleted files with --backup and not edited files
I am using rsync --delete --backup in order to protect any files accidentally deleted from the sending side. However, I also make edits to files on the sending side, and I don't want to have two ...
- 188
0
votes
0
answers
10
views
Delegated IPv6 prefix isn't updated with NetworkManager
Clients on my home network stop being reachable after a while (the provider is EWE).
The gateway is implemented using NetworkManager with method=shared for IPv4 and IPv6. It looks to me as if ...
- 145
0
votes
0
answers
14
views
Could not activate remote peer 'org.kde.spectacle': startup job failed
I get this often. Sometimes my spectacle works and sometimes it doesn't work.
The error I'm getting is:
Launching Spectacle (Failed)
And then underneath it:
Could not activate remote peer 'org.kde....
-1
votes
1
answer
31
views
Backslash key not working in Arch/Gnome
I have installed Arch with Gnome on my new laptop and am facing a very weird issue: the backslash key is not working. I can still type a pipe | with shift+backslash, but pressing just backslash doesn'...
