How to disable lightdm?
Lightdm is starter by Upstart, not SysV Init, so update-rc.d doesn't work.
Use
echo "manual" | sudo tee -a /etc/init/lightdm.override
Lightdm is starter by Upstart, not SysV Init, so update-rc.d doesn't work.
Use
echo "manual" | sudo tee -a /etc/init/lightdm.override