Ubuntu: enable numlock at startup

To enable the numeric keypad on startup, install numlockx and  create or edit the file

sudo apt-get install numlockx

puis créez ou éditez le fichier de conf suivant :


#Pour 14.04 LTS
sudo vi /usr/share/lightdm/lightdm.conf.d/60-lightdm-gtk-greeter.conf

#Pour 16.04 LTS
/usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf
 
and add the following information:
 
#Pour 14.04 LTS
[SeatDefaults]
greeter-setup-script=/usr/bin/numlockx on

#Pour 16.04 LTS
[Seat:*]
greeter-session=unity-greeter
greeter-setup-script=/usr/bin/numlockx on
 

Version context

This procedure describes the software and the environment available at the time of its publication. The packages, interfaces, and repositories mentioned may have changed or disappeared; first check the system version and its support level.

cat /etc/os-release
uname -r

Work on a backup or a snapshot, note every modified file, and prepare for rollback. For a current workstation or server, prefer signed packages from officially supported repositories.

Reference: official Ubuntu lifecycle.