General Q&A about Linux and Unix-like operating systems
MWE startx && 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...
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...
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...
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 ...
I have used printers before in Arch Linux, but I can't figure out how to print with a Canon PIXMA TR4522 printer. More specifically, I am having trouble finding the correct driver. I have installe...
I was installing Debian. But, I know that I have installed wireless connection system manually in Debian. are e needs non-free firmware files to operate. The firmware can be h as a USB stick o...
..$ rails s => Booting Puma => Rails 5.2.6 application starting in development => Run `rails server -h` for more startup options A server is already running. Check /home/istiak/ruby/q...
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...
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...
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...
Assuming I have a running Linux system that has the /proc/config.gz file: Does the (unpacked) file always contain all of the options the particular kernel supports, including commented out like: ...
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...
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...
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...
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 ...
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 --...
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...
That's my Bash script: #!bin/sh cd qpixel sudo systemctl enable mysql mysql -u root -p rails s When it executes the line mysql -u root -p it will ask for password. To do so, I have tried...
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...
How do you find out the number of files in a directory from the command line?
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? ...
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...
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...
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...
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 ...
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...
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 ...
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...
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...
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...
I would want to... ... turn my sensors output into a live histogram. How to? Any available script already written? (✿◠‿◠)
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...
Since the Pause key is useless, I tried to map it to a modifier key. What is straightforward for other keys turned out not to work fine for Pause. By inspecting the output of xev -event keyboard |...
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 ...
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 ==> /us...
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 ...
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 ...
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...
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...
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 ...
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...
How one may unpack .zst archived on Ubuntu? I received .zst archive file and I am looking for a way to unpack it.
Usually, many new users are confused when it comes to deciding which Linux to use. After trying out some distros, they don't know which one to use next. Which Linux is for beginners, intermediates ...
I'm currently using Fedora 34 and want to install Fedora 35 while keeping around just my home folder. Currently I don't have a separate home partition, but I read online that it's easy to make one ...
Less does not display data files normally, but if it were some sort of Xxd. $ bash --norc $ export LESS= $ file -i /var/log/lastlog /var/log/lastlog: application/octet-stream; charset=binary $...
I'd like to hide/dismiss/remove all the notifications that applications like Signal have created. I know I can create notifications with, for example, notify-send -t 10000 "🤖 Here goes my message"...
I have a handful of shell scripts that accept any number of command line arguments, then do some relatively expensive processing based on each command line argument in turn. The general format for ...
How can I manually set default audio device? I connected docking station and Lubuntu is somehow convinced that it can play audio. I want to continue using laptop speakers. Detaching docking stati...
I have the following problems working with sed: It doesn't allow multiline operations (thus, no indentations, no nesting) It is generally obligatory to wrap entire commands in quote marks (sed ...
