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