Процедура для віддаленого серверу, випробувано на переході 22 → 24:
1. Make backups.
2. Upgrade all packages:
sudo apt update sudo apt dist-upgrade -o APT::Get::Always-Include-Phased-Updates=true sudo systemctl reboot
3. Read release notes: https://ubuntu.com/project/docs/release-team/list-of-releases/
4. Check that there is enough free space
5. Run tmux:
tmux new -s upgrade
6. Start upgrade:
sudo do-release-upgrade