Disable suspend

root@pcpn64:~# su – Debian-gdm -s /bin/sh
$ export $(dbus-launch)
$ GSETTINGS_BACKEND=dconf gsettings set org.gnome.desktop.session idle-delay 0
$ GSETTINGS_BACKEND=dconf gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type ’nothing‘
$