GNOME Desktop Background Picture of the Day
Unlike KDE Plasma, GNOME does not have a native feature to replace the desktop background with a 'picture of the day'. This is the shell script that I use to fill that gap.
Fast TSC calibration failed
The Time Stamp Counter (TSC) is a 64-bit register present on all x86 processors since the Pentium. It counts the number of cycles since reset.
Emptying a file on a GNU/Linux terminal
Sometimes it is necessary to empty plain text files quickly and without complications from the command line on a local machine or remotely via SSH.