This tutorial shows you how to upgrade your existing Ubuntu 18.04 / 19.10 installation to the 2020 April’s latest stable release: Ubuntu 20.04 LTS Focal Fossa.

Steps to Upgrade

(01) Update and upgrade the currently-installed distribution and its packages.

$ sudo apt update
$ sudo apt upgrade
$ sudo apt dist-upgrade

(02) Remove all no-longer-required packages.

$ sudo apt autoremove

(03) Install update-manager-core package.

$ sudo apt install update-manager-core

(04) Open /etc/update-manager/release-upgrades file and make sure Prompt is set to lts.

$ sudo nano /etc/update-manager/release-upgrades

// check for `Prompt=lts`

(05) Run the Ubuntu upgrade process.

$ sudo do-release-upgrade

If you get No new release found message, add -d to the above command to force the upgrade.

$ sudo do-release-upgrade -d

(06) Reboot the system for the changes to take effect.

$ sudo reboot now

(07) Verify the upgraded Ubuntu version.

$ lsb_release -a


No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu Focal Fossa
Release:	    20.04
Codename:	    focal

👉 Any questions? Please comment below.



Leave a comment