Setup Ruby
Remove the default Ubuntu install, otherwise you’ll get an error You don't have write permissions for the /var/lib/gems/3.x.x Directory and configure Ruby to install gems to a folder in your home.
Upgrade Ubuntu from command line
Default release upgrade behaviour is configured in /etc/update-manager/release-upgrades.
Upgrade with sudo do-release-upgrade.
The Horn
Overlooks M8 and periodically “speaks” although I’ve never made out what it says. Sculpted by Dalziel and Scullion and commissioned by West Lothian Council.