$ sudo do-release-upgrade -c Checking for a new Ubuntu release New release '22.04 LTS' available. Run 'do-release-upgrade' to upgrade to it. [t]2022-07-03 19:40:35
$ sudo do-release-upgrade Checking for a new Ubuntu release
= Welcome to Ubuntu 22.04 'Jammy Jellyfish' =
The Ubuntu team is proud to announce Ubuntu 22.04 'Jammy Jellyfish'. [t]2022-07-03 19:42:54