gsettings set org.mate.desktop.lockdown disable-lock-screen 'true'
gsettings set org.gnome.desktop.lockdown disable-lock-screen 'true'
proxy: ssh user@server -D 7777
proxy: socks 5 - localhost 7777
ssh -t server1 ssh server2
gsettings set org.gnome.desktop.lockdown disable-lock-screen 'true'
proxy: ssh user@server -D 7777
proxy: socks 5 - localhost 7777
ssh -t server1 ssh server2