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Every time I open EA Games from within Lutris, the desktop's UI/screen scaling is reset from 150% to 100%. This is in PopOS running with a 4K resolution on a 4K screen. The resolution is not change...
It seems as if it may not have been Lutris causing issues, but the HiDPI daemon in PopOS. This daemon can be disabled in the PopOS settings under "screens". Disabling that process may lead to issue...
I have created a set of profiles in OpenRGB that set the RGB lights on the fans and LED strips inside my desktop case. This works as expected, however, the activation of a profile does not persist ...
How do I read computer temperatures from my desktop in PopOS? Is there a terminal command, DE extension or GUI application that I can use for the purpose? The UEFI reports CPU, CPU case and motherb...
How do I control my computer's fan speeds, including the case fans, and the CPU pump and fan speed? Moving from Windows on an Acer laptop, I am used to Acer's PredatorSense application which lets ...
I don't think you can. AFAIK the fn key behaviour is implemented in hardware, the OS is not aware if a key has been pressed with or without fn key. You can check for a BIOS setting, but I've never...
It is true that Fn combinations are usually implemented in hardware, but in X11 (not Wayland of course!) you can circumvent this issue for most or all your keys.[1] For example, my F3 -> F3 and...
How to list tags of a container in container registry using CLI tools? Kinda like you would browse them visually in dockerhub.
Suppose the machine is short on memory and the OOM Killer has selected a target process to shut down (in order to reclaim memory). How does the OOM killer actually kill the process? Is it done usi...
A general overview: Log in as root directly, no sudo or su (you may need to activate it temporarily, depending on your distribution) or boot from a live system unmount /home and mount it somewh...
The dash, -, is part of a Parameter Expansion syntax that tells Bash to check for existence of the preceding parameter, a.k.a. whether it is "set", substituting whatever follows if it isn't. For th...
I came across this in a bash script: excludes+=("${2-}") What is the meaning of ${2-}?
Of course, being a swiss army knife ffmpeg already has this capability builtin: ffmpeg -i Example.mp4 -vf "select=not(mod(n\,20)),scale=200:-1,tile=5x4:padding=2:color=white" -vsync 0 -frames:v 1 ...
If you want to go with command-line tools, the first step might be to run a du -h --max-depth=1 | sort -h -k 1 -r in your root directory. This will give you a list of the sub-directories sorted...
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...
Login screen Check your login screen. Login Managers often give an option to select between different desktop environments. The last used entry is usually highlighted. It is possible that your ...
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...
I do not see a way to tell on the main list of questions which ones have been marked as "works for me" by the OP. I can see the questions which indicate they have zero answers, but I consider any ...
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...
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...
.tar.gz is a pretty common archive format. How to extract its contents, "unzipping" it in the command line?
Some context menus in my KDE installation show the following problem: When the menu is opened it shows normally. But as soon as I move the cursor over the menu, it becomes transparent and whate...
Docker stores data under directories like /var/lib/docker/overlay2/xyz123. These sometimes grow very large, and Docker does not provide good instructions for how to easily manage the space used by ...
