Or in case of systemd (tmpfiles.d) f /run/lightdm/.pam_environment 0644 lightdm lightdm - GDK_CORE_DEVICE_EVENTS=true
Or in case of systemd (tmpfiles.d) .pam_environmen t 0644 lightdm lightdm - GDK_CORE_ DEVICE_ EVENTS= true
f /run/lightdm/