apt install xscreensaver
xscreensaver & screensaver-demo
mate-session-save –force-logout
“~/.config/autostart/xscreensaver.desktop”
[Desktop Entry]
Type=Application
Exec=xscreensaver
Hidden=false
Name[C]=xscreensaver
Name=xscreensaver
Comment[C]=
Comment=
X-MATE-Autostart-Delay=0
