For questions about the automated installation mode (autoinstall for short) of Ubuntu Server 20.04 and later. Do not use this tag for questions about the autoinstall option of the ubuntu-drivers command.
Since version 20.04, the Ubuntu Server installer supports the automated installation mode, autoinstallation for short. You might also know this feature as unattended or handsoff or preseeded installation.
Autoinstallation lets you answer all those configuration questions ahead of time with an autoinstall config and lets the installation process run without any interaction. source
