Деактивировать вход в систему Ubuntu Server
sudo systemctl edit getty@tty1.service
This will the create a drop-in file (if neccessary) and open it an editor. Add the following, replacing myusername with your user name:
[Service]
ExecStart=
ExecStart=-/sbin/agetty --noissue --autologin myusername %I $TERM
Type=idle
Vivacious Vicuña