I had been messing around trying to customize the guest user accoun and came across "Custom startup commands for LightDM guest session", so naturally I clicked it and nothing happened.
Login However, now I cannot lock my computer when I close the lid or by pressing the dedicated button. I'd like to just make it as it was before I clicked it.
Edit (1) Output of: cat /usr/share/lightdm/guest-session/skel/.config/autostart/guest- session-startup.desktop
[Desktop Entry]
Name=Custom startup commands for LightDM guest session
Type=Application
NoDisplay=true
Exec=/usr/lib/lightdm/guest-session-auto.sh
X-Ubuntu-Gettext-Domain=lightdm
Edit (2) output of /usr/lib/lightdm/guest-session-auto.sh https://pastebin.com/yvQfnYjk
Edit (3) output of gsettings list-recursively org.gnome.desktop.lockdown
org.gnome.desktop.lockdown disable-command-line false
org.gnome.desktop.lockdown disable-application-handlers false
org.gnome.desktop.lockdown disable-user-switching false
org.gnome.desktop.lockdown user-administration-disabled false
org.gnome.desktop.lockdown disable-printing false
org.gnome.desktop.lockdown disable-log-out false
org.gnome.desktop.lockdown disable-lock-screen true
org.gnome.desktop.lockdown disable-print-setup false
org.gnome.desktop.lockdown disable-save-to-disk false
cat /usr/share/lightdm/guest-session/skel/.config/autostart/Custom\ startup\ commands*
/usr/lib/lightdm/guest-session-auto.sh
on my 16.04 VM, the first thing it does is "disable screen locking" with a bunch of gsettings calls - assuming you're using Unity or Gnome, can you add the output ofgsettings list-recursively org.gnome.desktop.lockdown
please?