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Q&A

General Q&A about Linux and Unix-like operating systems

66%
+2 −0
<!nocheck> meaning in Build-Depends

Trying to understand what exactly &lt;!nocheck&gt; does next to a package in build-depends (for example, Perl). Debian Wiki says: Terms can be negated by using an exclamation mark as a prefix ...

0 answers  ·  posted 16d ago by nteodosio‭

66%
+2 −0
Copy to clipboard from terminal with Vim bindings

How do I copy to clipboard from terminal with yy, assuming it's configured to use Vim bindings? I am using zsh with bindkey -v.

0 answers  ·  posted 20d ago by young_souvlaki‭

71%
+3 −0
How to persist keyboard repeat rate and delay for external devices

Problem I want to set a global keyboard rate for both the X session and the console that persists for external keyboards, across plug-ins and removals. To my understanding, Xorg and console sett...

0 answers  ·  posted 1mo ago by young_souvlaki‭  ·  edited 1mo ago by Quasímodo‭

60%
+1 −0
How to refresh lvm-backed virtual disk in libvirt

How can I grow a libvirtd VM's LVM-backed virtual disk online, without rebooting the vm. My host has an LVM VG for VMs. Each VM disk is an LV to the host. It's easy to grow the VG by adding a PV...

1 answer  ·  posted 1mo ago by re89j‭  ·  last activity 1mo ago by re89j‭

57%
+2 −1
How to automatically change to the first matching directory using fuzzy search and cd?

I want the cd command to automatically change to the first directory that matches a fuzzy search, without prompting me to select between multiple options. This is what I've tried: cd() { loc...

0 answers  ·  posted 1mo ago by ShadowsRanger‭  ·  edited 1mo ago by ShadowsRanger‭

cd
60%
+1 −0
How to decrease image size from commandline

Problem I'd like to be able to decrease images, particularly jpg and png's, either to a percentage of the original file, or a specified size in bytes. MWE decrease --size=900KB -o image_small....

1 answer  ·  posted 2mo ago by young_souvlaki‭  ·  edited 2mo ago by young_souvlaki‭

71%
+3 −0
Treat underscores as word boundaries in terminal using vim mode

Question How do you specify underscores as Vim word boundaries when using vim mode in either bash or zsh? MWE w on this_word should place the cursor on the underscore. A second w should place th...

1 answer  ·  posted 2mo ago by young_souvlaki‭  ·  last activity 1mo ago by young_souvlaki‭

25%
+0 −4
Privacy focused Linux distro [closed]

Suggest me the most security and privacy focused Linux distro within three of them given below. Fedora Qubes OS Whonix. Please help me to choose. Thank you.

0 answers  ·  posted 2mo ago by abarajithanjudith‭  ·  closed 2mo ago by ArtOfCode‭

50%
+0 −0
Simplest way to change cursor to indicate vim mode

Question What is the simplest way to change the cursor to indicate vim mode when using zsh? Notes I want it to show as a vertical line in insert mode and a block in normal mode. This is the cur...

0 answers  ·  posted 2mo ago by young_souvlaki‭  ·  edited 2mo ago by young_souvlaki‭

60%
+1 −0
Vim bindings not working in terminal python interpretter

MWE Add bindkey -v to your ~/.zshrc. Invoke python interpreter: python. Type something into the prompt without hitting ENT: this = "this" + "that". Press ESC and try any vim bindings successi...

1 answer  ·  posted 2mo ago by young_souvlaki‭  ·  last activity 2mo ago by Quasímodo‭

71%
+3 −0
Recursively remove files with the same name as the ones that end in `.part`

I want to remove all files with the ".part" extension in the current directory and its subdirectories, including files with the same name but different extension. Is this correct? find . -name '*...

1 answer  ·  posted 3mo ago by ShadowsRanger‭  ·  last activity 2mo ago by Quasímodo‭

75%
+4 −0
How to convert PDF to docx

How can I convert PDF to docx using the terminal or a Linux app? The output docx must be formatted with editable text. Some alternative solutions I've seen online using soffice and abiword output...

2 answers  ·  posted 3mo ago by young_souvlaki‭  ·  last activity 2mo ago by samcarter‭

60%
+1 −0
how to manipulate Gnome's "Top Bar"/"Activities Bar"/"Top Panel" using GDK

I am using Linux and Gnome. Using GDK, I would like to programmatically manipulate the Top Bar (i.e., the bar at the top of the screen with "Activities", the time, etc.). Here is a picture of it: ...

1 answer  ·  posted 3mo ago by Trevor‭  ·  last activity 3mo ago by r~~‭

60%
+1 −0
`nmcli` missing laptop wireless device after everything work right

My device is Thinkpad E40 with openSUSE Leap 15.4. I've use this device under this OS weeks ago and didn't happen this problem. After normally running, wlan0 device not show in nmcli and my wirele...

0 answers  ·  posted 4mo ago by Dead_Bush_Sanpai‭  ·  edited 4mo ago by Dead_Bush_Sanpai‭

66%
+2 −0
How to append commands to startx from console

MWE startx &amp;&amp; xrandr-invert-colors Problem It seems that anything after startx does not get issued in the resulting X session. I'd like to make a bash function that sets up my monito...

2 answers  ·  posted 4mo ago by young_souvlaki‭  ·  last activity 4mo ago by celtschk‭

71%
+3 −0
Adding Python 3.11 to `$PATH`

Hi, I'm new here. So basically I builded Python 3.11 (https://python.org/) from source (from GitHub python/cpython branch "3.11"). So, here what I did : (obviously first I downloaded the repo as...

1 answer  ·  posted 5mo ago by HGStyle‭  ·  last activity 5mo ago by Canina‭

81%
+7 −0
What partition type should be used for cross-platform FAT partitions?

Question What partition type should I use for FAT partitions such that Linux and Windows systems both recognize the drive? Notes I am partitioning the drive with fdisk and making the filesystem ...

1 answer  ·  posted 6mo ago by young_souvlaki‭  ·  last activity 5mo ago by Ullallulloo‭

66%
+2 −0
When should you install windows dlls for wine with winetricks?

I noticed in winetricks that it can install windows dlls to the wine folder. It even gives an option to install almost all of them at once. When should someone install these instead of staying with...

1 answer  ·  posted 6mo ago by true_blue‭  ·  last activity 4mo ago by bgstack15‭

83%
+8 −0
What are phased updates, and why does Ubuntu use them?

So I ran into that weird "packages being held back" problem while updating my system using apt. After some research, it appears to be the result of "phased updates". What are phased updates, any...

1 answer  ·  posted 6mo ago by ArrayBolt3‭  ·  last activity 6mo ago by ArrayBolt3‭

75%
+4 −0
Retrieve changes that closed a Debian bug

If a Debian bug number is referenced in the changelog of an uploaded package, it is automatically closed with a generic message: We believe that the bug you reported is fixed in the latest versi...

1 answer  ·  posted 6mo ago by Quasímodo‭  ·  last activity 5mo ago by bgstack15‭

80%
+6 −0
How do I deal with a "pending update to "snap-store" snap, close the app to avoid disruption" notification in Ubuntu 22.04?

For several days now, I've been getting a notification telling me that there's a pending update to the "snap-store", and to close the app to avoid disruption. I first got this notification while...

1 answer  ·  posted 6mo ago by Mithical‭  ·  last activity 6mo ago by Quasímodo‭

66%
+2 −0
Set compose key to Shift + AltGr

I have upgraded Xubuntu from 20.04 to 22.04 and my compose key, which defaulted to Shift + AltGr, was disabled. It is no longer available in the keyboard settings GUI either. How can I set the com...

1 answer  ·  posted 6mo ago by Quasímodo‭  ·  last activity 6mo ago by Quasímodo‭

60%
+1 −0
Preserve the sources extracted by dpkg-source so as to save time

It takes a long time to build even the source package for a PPA of a huge project, and while the build isn't finished my computer is under heavy load so I can barely navigate a browser. The frustra...

1 answer  ·  posted 7mo ago by Quasímodo‭  ·  last activity 6mo ago by Quasímodo‭

60%
+1 −0
How to reduce DPI of external monitor using xrandr

Have I have the DPI on my laptop set in .Xresources with Xft.dpi: 192. I am outputting to the external monitor with: xrandr --output HDMI-2 --auto --rotate left --right-of eDP-1 Want I want ...

0 answers  ·  posted 7mo ago by young_souvlaki‭

60%
+1 −0
xrandr rotate not filling external monitor

Problem I can rotate output, but it does not fill screen. Instead it rotates in place so that the right side of the screen goes off the monitor. xrandr --output HDMI-2 --auto --mode 1920x1080 --...

1 answer  ·  posted 7mo ago by young_souvlaki‭  ·  last activity 7mo ago by young_souvlaki‭

60%
+1 −0
Who creates subdirs under `/run`?

A system daemon needs to create several files under /run/program-name/ (and possibly other subdirs of that). They are the PID file, and at least one Unix socket file (but maybe more). The FHS spe...

1 answer  ·  posted 8mo ago by alx‭  ·  edited 8mo ago by alx‭

60%
+1 −0
Running `bashcompinit` in zsh to enable use of bash completion specifications gives "command not found"

I'd like to use the answers in this post while using zsh: compgen -c # will list all the commands you could run. compgen -a # will list all the aliases you could run. compgen -b # will list a...

0 answers  ·  posted 8mo ago by young_souvlaki‭  ·  edited 8mo ago by Canina‭

zsh
62%
+3 −1
How to edit file from less

MWE touch d less d # jump to editing d without leaving less Question Is there a way to edit a file from viewing it in less? Jumping straight into Vim would be preferred, but an answer for e...

1 answer  ·  posted 8mo ago by young_souvlaki‭  ·  last activity 8mo ago by celtschk‭

75%
+4 −0
How to get number of files in directory

How do you find out the number of files in a directory from the command line?

1 answer  ·  posted 8mo ago by young_souvlaki‭  ·  last activity 8mo ago by Canina‭

66%
+2 −0
How to make vi-mode bindings in terminal copy to clipboard

If I want to yank my last command I can UP yy, but this does not copy to the system clipboard. How do I configure my terminal to copy to the system clipboard so I can paste into other programs? ...

1 answer  ·  posted 9mo ago by young_souvlaki‭  ·  last activity 8mo ago by InfiniteDissent‭

66%
+2 −0
Bind brightness/volume and other special Fn keys in a tty

I am running Debian stretch on a Lenovo laptop with only a window manager (i.e. no desktop). Out of the box, this configuration of Debian ignores the keys with special Fn functions, such as volum...

1 answer  ·  posted 10mo ago by Quasímodo‭  ·  last activity 10mo ago by Quasímodo‭

81%
+7 −0
What does a minimal /etc/hosts need to contain?

I run an environment that, until recently, did all local name resolution by putting names in /etc/hosts. I'm in the process of replacing that with local DNS. The DNS part works fine, and now I'm tr...

1 answer  ·  posted 11mo ago by ajv‭  ·  last activity 10mo ago by dsr‭

50%
+0 −0
Dynamic IP & lease loss - "callback" mechanism?

I'm playing with NAT, and have a script now that, at startup of my little Linux machine, creates some DNAT rules, which take one incoming special port, and forward that to another interface with a ...

0 answers  ·  posted 11mo ago by CanisSomnolentus‭  ·  edited 11mo ago by CanisSomnolentus‭

77%
+5 −0
Capture separate _and_ combined stdout/stderr

Using BASH, how can I redirect stdout and stderr each, to two separate files, simultaneously? That's a mouthful, let me clarify a little: I have a hypothetical script that may/will generate outpu...

1 answer  ·  posted 11mo ago by jaybeers‭  ·  last activity 11mo ago by Quasímodo‭

71%
+3 −0
how to determine from the command line whether a DVD is encrypted

I am currently ripping a bunch of DVDs. Some are encrypted, and some are not. My method for ripping a DVD depends on whether or not it is encrypted, so I am looking for a command-line method to det...

0 answers  ·  posted 11mo ago by Trevor‭  ·  edited 6mo ago by Canina‭

dvd
50%
+0 −0
Automated wifi 'scavenging', daemon recommendation?

I have a RPi in the car that I need to act as a mobile AP. I need it to provide a consistent, unchanging ESSID (in AP mode) using the onboard wlan0 for all devices that stay in my car. Dashcams, t...

0 answers  ·  posted 1y ago by re89j‭

75%
+4 −0
Desktop Multiplexer for Linux? (GNU Screen for GUI apps)

GNU Screen and Tmux allow you to run command-line programs on a server, and 'disconnect' from them but let them keep running remotely. This is great if your primary computer is a laptop and it has...

1 answer  ·  posted 1y ago by re89j‭  ·  edited 1y ago by re89j‭

42%
+1 −2
sensors to histogram

I would want to... ... turn my sensors output into a live histogram. How to? Any available script already written? (✿◠‿◠)

1 answer  ·  posted 1y ago by .                                                .‭  ·  edited 1y ago by .                                                .‭

60%
+1 −0
Reducing Noise from yum-cron when repos are out of date

I have a few CentOS servers that I want to stay automatically up to date with yum-cron, and I want to get emails when there are problems but I do not want to get so many emails about repos being ou...

0 answers  ·  posted 1y ago by re89j‭  ·  edited 1y ago by Canina‭

66%
+2 −0
Scalable fonts are not loaded into the X server database

I have some old X11 applications complain that they cannot find a ISO8859-2 font. So I executed grep -r 8859-2 /usr/share/fonts/ and, to my surprise, found many matches, for example ==&gt; /us...

1 answer  ·  posted 1y ago by Quasímodo‭  ·  last activity 1y ago by Quasímodo‭

60%
+1 −0
How do I prevent remote syslog events from printing locally?

I have a GNU/Linux host that I use to aggregate syslog events from a few switches, printers, and generally less versatile hosts on my LAN. I set up rsyslog years ago to listen on UDP:514 and save ...

1 answer  ·  posted 1y ago by re89j‭  ·  last activity 4mo ago by bgstack15‭

66%
+2 −0
VPN tunnel for outgoing connections but still allowing incoming bidirectional connections, using Wireguard or OpenVPN on Linux

For a particular use case, I need to be able to set up a Linux host (specifically Debian) to use a VPN tunnel for routing outgoing connections, but still allow incoming connections outside of that ...

0 answers  ·  posted 1y ago by Canina‭

71%
+3 −0
Disable transient symbols for compose and dead keys in GTK programs

An article in the GTK blog explains the situation very well, but here is my go at it. In my keyboard layout, accents are handled as dead keys, so to insert "ë", first I type ¨ and then e. Nothing ...

1 answer  ·  posted 1y ago by Quasímodo‭  ·  last activity 4mo ago by Quasímodo‭

71%
+3 −0
What does capital T mean in the output of 'ls -l'?

I had a nightly cronjob start throwing errors about "inappropriate permissions..." rsync: [generator] failed to set permissions on "/data2/home/redacted/alsoredacted/opt/dell/srvadmin/var/log/open...

2 answers  ·  posted 1y ago by re89j‭  ·  last activity 1y ago by Quasímodo‭

71%
+3 −0
Why is libvkd3d1 not upgrading on my system? (lubuntu 20.04 LTS)

Why is libvkd3d1 not upgrading on my system? (lubuntu 20.04 LTS) When I run sudo apt update, apt flags libvkd3d1 and libvkd3d1:i386 as upgradable, but sudo apt upgrade does nothing and reports tha...

1 answer  ·  posted 1y ago by Darth_Muldoon‭  ·  last activity 1y ago by Canina‭

80%
+6 −0
A shell script that can run under different shells

I have a shell script with a syntax compatible to both bash and zsh, except for a section that has zsh specific syntax that throws syntax errors if sourced from bash. Is there an easy way to escap...

2 answers  ·  posted 1y ago by 4015.alt‭  ·  last activity 1y ago by mjy‭

66%
+2 −0
I deselected a package and changed my mind. How to select it without re-emerging?

I executed emerge --deselect xournalpp , which means "I don't need the xournalpp package anymore", so it can be removed by a future --depclean action in case Portage figures xournalpp is not a ...

1 answer  ·  posted 1y ago by Quasímodo‭  ·  last activity 1y ago by Quasímodo‭

75%
+4 −0
How do I safely replace brew on Big Sur?

I'm still trying to solve my problem with installing Ruby on a new Mac, and some discussions are saying that I need to reinstall brew because of the change from the old chipset to the M1. (I'm jus...

2 answers  ·  posted 1y ago by Monica Cellio‭  ·  last activity 11mo ago by Monica Cellio‭

77%
+5 −0
Installing Ruby on MacOS 12.2 (or 11.6) produces compilation errors in the downloaded source; how do I fix?

A project I want to work on requires Ruby. I was directed to RVM or rbenv. I tried rbenv first because it has Mac instructions, ran into failures, uninstalled it and installed RVM, and still ran ...

1 answer  ·  posted 1y ago by Monica Cellio‭  ·  edited 11mo ago by Monica Cellio‭

66%
+2 −0
Quickly increase virtual console ("TTY") font size on the fly

I just want to "zoom in/out" in the text console, is there a straightforward command to do that? I have found various sources (1, 2, 3) that either suggest permanent changes (e.g. modifying config...

1 answer  ·  posted 1y ago by Quasímodo‭  ·  last activity 1y ago by Quasímodo‭

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