Ubuntu - Как обновиться с 20.04 до 22.04 (LTS) через ssh

Протестировано 02.05.2022:

# apt update && apt upgrade -y
# apt install update-manager-core
# reboot

# vi /etc/apt/sources.list
deb http://de.archive.ubuntu.com/ubuntu jammy main restricted universe multiverse
#deb-src http://de.archive.ubuntu.com/ubuntu impish main restricted universe multiverse
deb http://de.archive.ubuntu.com/ubuntu jammy-updates main restricted universe multiverse
#deb-src http://de.archive.ubuntu.com/ubuntu jammy-updates main restricted universe multiverse
deb http://de.archive.ubuntu.com/ubuntu jammy-security main restricted universe multiverse
#deb-src http://de.archive.ubuntu.com/ubuntu jammy-security main restricted universe multiverse
deb http://de.archive.ubuntu.com/ubuntu jammy-backports main restricted universe multiverse
#deb-src http://de.archive.ubuntu.com/ubuntu jammy-backports main restricted universe multiverse

# do-release-upgrade
# reboot

Опции

       -d, --devel-release
             If using the latest supported release, upgrade to the development release

Результат:

# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 22.04 LTS
Release:        22.04
Codename:       jammy