The default Linux behavior allows the user to gain root access by typing su and entering the root password to gain a root prompt. If you wish to disable this behavior, then run this command: vim.tiny /etc/pam.d/su then uncomment this line: #auth required pam_wheel.so use_uid#auth required pam_wheel.so use_uid This will require a user to login …

The caps lock key on Linux is very annoying when hit accidentally. Especially when you are typing a password. This simple command will disable the key permanently. [email protected] ~ $ setxkbmap -option ctrl:[email protected] ~ $ setxkbmap -option ctrl:nocaps If you put this in Startup Applications which may be found under System-Preferences-Startup Applications, the caps lock …