If you prefer that the NumLock is activated automatically when you turn on your computer, then follow the instructions in this post.
Install the package numlockx :
- For ubuntu and other debian based
sudo apt-get install numlockx
- Fedora and other rpm based
yum install numlockx
- Now edit /etc/gdm/Init/Default and inert the bellow code.
sudo vi /etc/gdm/Init/Default
and insert this lines:
if [ -x '/usr/bin/numlockx' ]; then /usr/bin/numlockx on fi save , exit
Is done.
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Howto- NumLock on by default in Linux