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I got 2 small computers running Linux. One acts as ethernet gadget, connected via USB to the other, the host. I set up a bridge, like so: ip link add name br0 type bridge ip link set dev br0 up...
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 think you are working on qpixel. While, working on a big project don't change their version. Just change your ruby version. To change ruby version you have to use rvm rvm install 2.6.6 rvm use ...
For Debian, Manjaro, Arch-Linux (those distributions which doesn’t have service) sudo systemctl enable mysql You can use start instead of enable. Note : Some distributions don't have mysql. Th...
In my Ruby project, when I try bundle install, I got: Your Ruby version is 2.7.0, but your Gemfile specified 2.6.6 I don't know how to solve it. I am using Windows Subsystem for Linux (WSL) U...
It is almost always a very bad idea to install a package meant for one distribution on another. It doesn't really matter if they use the same package format or not, but different package formats d...
I routinely use MPV for that. mpv --profile=low-latency --untimed av://v4l2:/dev/video0 You may need to try other devices, as listed by ls /dev/video*. Thanks to Canina for suggesting the two ...
Certtool from GnuTLS can do this: certtool --certificate-info --infile=server.crt
I just installed an SSD into my motherboard's third M.2 slot. After I booted up the computer, the secondary disk is now displayed like an externally connected one. There's an icon for it on the des...
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...
The basis of the Unix philosophy is to decompose complex tasks into simple sub-tasks, so that one can easily choose a combination of simple Unix tools to solve the problem in an intuitive way. Oft...
I saw @dsr's user card. As you can see his sum of received votes is 1. But, if you visit his profile than it will show you that he has a question and answer, both of which have 1+1=2 upvotes. He...
You've just run df -h and are shocked how little disk space you got left. You'd like to find where all the space has gone. How to find big(est) files and directories on your system? (So that you c...
Suppose I am the author of a shell utility called bar. One common use case is in pipelines like foo | bar, where foo sometimes runs interactively. I want to distinguish situations where interaction...
I am using Docker on Windows (from Powershell) to run a container that runs Rocky Linux. I can run GUI applications (e.g., xeyes) from the container by running VcXsrv on Windows, and setting DISPLA...
For certain GPU-accelerated tasks, such as Docker containers using GPU, I need to run the following on every boot: sudo nvidia-ctk cdi generate --output /var/run/cdi/nvidia.yaml Without this, G...
To map it to Ctrl+Backspace you can add XTerm*vt100.translations: #override\ Ctrl ~Meta ~Shift <Key> BackSpace :popup-menu(vtMenu) to your Xresources file and reload the X resource ...
I am trying to connect to a VPN server (that I don't control) using IKEv2 and strongswan. The connection fails with [IKE] no trusted RSA public key found for 'xxx.xxx.xxx.xxx'. I downloaded the Sec...
I'm using xterm version 395-1, on Arch Linux, with i3 window manager. I like xterm because it's fast, and I can configure things like "what characters are in a word when you double click on a word"...
Thanks to the comments, I was able to determine that it is in fact working, I just wasn't looking in the right place for output. For anyone else with the same/similar issue, start watching the cor...
I'm trying to make OpenRGB display a light show based on the music playing, however, audio device selection is unavailable in the application, and upon checking its permissions with flatpak permiss...
.tar.gz is a pretty common archive format. How to extract its contents, "unzipping" it in the command line?
To enable access to PulseAudio for OpenRGB (or any Flatpak application for that matter) you need to add --socket=pulseaudio to the finish-args section of the application's manifest. You can test t...
Can I disable the ability of regular users to enable lingering in loginctl? By default every user on a systemd enabled Linux can run loginctl --enable-linger and have a personal systemd instance s...
bash does not support floating point operations, so at least for a short video $interval will always be 0. That way you always get the same frame, which by chance probably was black for your video....
