What is a “kernel panic”?
What does it mean when your computer has a “kernel panic”?
Unix & Linux
configure ToggleShowDesktop in Openbox to only act on specified layer
I have a keybinding for ToggleShowDesktop. When I press Menu, all windows get minimized and I see my Desktop Wallpaper (as expected):
tar –exclude doesn’t exclude. Why?
I have this very simple line in a bash script which executes successfully (i.e. producing the _data.tar file), except that it doesn’t exclude the sub-directories it is told exclude via the --exclude option:
Convert all text from uppercase to lowercase and vice versa?
My question is how can I convert all text from uppercase to lowercase and vice versa? That is to change the cases of all the letters. It has to be done with a sed replacement somehow.
Testing if a variable is empty in a shell script
I have seen the following technique used many times on many different shells, to test if a variable is empty:
Extract file name from path in awk program
I have an awk script and I have passed a CSV file to it.
How do I use tee to redirect to grep
I don’t have much experience of using tee, so I hope this is not very basic.
What is the difference between LANG=C and LC_ALL=C?
I like to disable all locale specific differences in shell scripts. What is the preferred way to do it?
How to add home directory path to be discovered by Unix which command?
I have installed node.js at custom location and added the location to the $PATH in .profile file.
Dynamic zsh autocomplete for custom commands
I’m trying to write completion functions for some custom functions I wrote, but seem to be really struggling with even the most basic ones.