I have the opposite problem of Numlock always off. Numlock is turned on (engages) when the screensaver is first activated.
The option is indeed turned off in the lightdm greeter.
nwayno@bart:/usr/share/lightdm/lightdm.conf.d$ cat 50-xubuntu-numlock.conf [Seat:*] greeter-setup-script=xubuntu-numlockx off
That status shows numlock status as off.
nwayno@bart:~$ numlockx status Numlock is off nwayno@bart:~$
In addition I added
sleep 20 && numlockx off
to the autostart file….
I have now run out of options. I have no idea why ubuntu 18.04 has a penchant for turning on numlock. It’s annoying. I don’t know if I accidentily hit caps lock or scroll lock. It’s mega annoying. But the light still is lit.
Aye!
Wayno