A quick one-liner to find the most common pages giving 404 errors on your apache2 setup. Set this up as …
Re-run previously entered command as root user. python sudo !! !! is automatically substituted to the content of the previous command. Turning …
Looking Glass is GNOME Shell's integrated inspector tool and JavaScript console useful for debugging. Open the run prompt by pressing …
Debug Gnome Shell, or run it from the console, either for plugin development or troubleshooting. Switch to the console using …
Bash history expansion allows you to quickly re-run previous commands using ! and the number of the command in your history …