Add Canon PIXMA printer to Ubuntu

Note: the following how-to is only for Pixma printers! 1. Connect your printer to your computer by means of a USB cable (even when you intend to use it as a network printer later on: for initial installation a USB cable is often needed). Then turn on your printer. 2....

Ubuntu gets stuck in a login loop

Press Ctrl+Alt+F3 (or F2) and login into the shell. Now run ls -lA. If you see the line -rw——- 1 root root 53 Nov 29 10:19 .Xauthority then you need to do chown username:username .Xauthority and try logging in (you may also need to do the same for...