Source: Magic SysRQ › Wiki › ubuntuusers.de

Source: dockerfile – How to add docker label after image is made – Stack Overflow

Source: gnome3 – Gnome 3: how to set power button to shutdown instead of suspend? – Unix & Linux Stack Exchange

Source: GDM – ArchWiki

/etc/systemd/logind.conf

Source: Setting Up GDM, Gnome Power Settings & Locking Suspend In Antergos – Andy Crouch

/etc/X11/xorg.conf.install

Source: SDB:Configuring graphics cards – openSUSE Wiki

/etc/gdm/custom.conf

Source: Bug 958885 – Log Out from desktop not working. Hangs up on black screen with non function cursor.

Source: SDB:Change Display Manager – openSUSE Wiki

Source: SDDM › Wiki › ubuntuusers.de

Source: GDM – ArchWiki