Do-release-upgrade

do-release-upgrade included in ubuntu-release-upgrader-core package.

• Man page: http://manpages.ubuntu.com/manpages/hirsute/man8/do-release-upgrade.8.html

• do-release-upgrade

Options

• do-release-upgrade --quiet
• do-release-upgrade -f DistUpgradeViewNonInteractive
• apt update -y && apt upgrade -y && do-release-upgrade

Examples

do-release-upgrade
Checking for a new Ubuntu release
There is no development version of an LTS available.
To upgrade to the latest non-LTS develoment release
set Prompt=normal in /etc/update-manager/release-upgrades.

do-release-upgrade --devel-release
Checking for a new Ubuntu release
You have not rebooted after updating a package which requires a reboot. Please reboot before upgrading.

do-release-upgrade
Checking for a new Ubuntu release
Please install all available updates for your release before upgrading.

.../...
Not enough free disk space
.../...

.../...
Some third party entries in your sources.list were disabled. You can
re-enable them after the upgrade with the 'software-properties' tool
or your package manager.
.../...

.../...
System upgrade is complete.

Restart required 

To finish the upgrade, a restart is required. 
If you select 'y' the system will be restarted.  

Continue [yN] y

Related terms

• /etc/apt/sources.list
• apt update && apt upgrade
• apt dist-upgrade
• snap refresh
• dnf update

See also

• Ubuntu releases: Ubuntu 20.10 Groovy Gorilla, Ubuntu 20.04 LTS (Focal Fossa), Ubuntu 18.04 LTS (BionicBeaver), Ubuntu Noble
• Ubuntu, Ubuntu releases, snap, MAAS, PPA, Canonical Livepatch, Ubuntu Advantage, netplan, multipass, Landscape, Subiquity, lsb_release, Ubuntu MATE, Wayland
• APT: wajig, apt-cache, add-apt-repository PPA, apt [ install | remove |purge | show | list | changelog | update | upgrade], do-release-upgrade, apt-mark, apt full-upgrade, sources.list, APT Automatic updates, unattended-upgrade, apt-transport-https, apt-get update, /etc/apt/, /etc/apt/apt.conf.d/50unattended-upgrades, /etc/apt/apt.conf.d/, /etc/apt/apt.conf.d/20auto-upgrades, apt-file, apt-utils