Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
CentOS is a great desktop, but unfortunately, the NUMLOCK key isn't enabled by default when you start your computer, which is annoying when you start typing numbers and you realise it doesn't work as expected. In a few simple steps we will solve this problem and NUMLOCK will be enabled when you start your computer.
First we need to install numlockx, a little neat utility. Open your terminal and issue: