Upgrade Ubuntu 19.10 to 20.10 or upgrade Ubuntu 18.10 to 20.10. Terminal commands to upgrade to Ubuntu 20.10 Groovy Gorilla. Ubuntu 20.10 release note details the Ubuntu 20.10 system requirements and Ubuntu 20.10 new features.
Upgrade to Ubuntu 20.10 Groovy Gorilla
First of all, check for a new stable Ubuntu release using this command:
$ sudo do-release-upgrade -c
Now make the necessary changes to search and download the new Ubuntu version (other than LTS). Use the following command:
$ sudo nano /etc/update-manager/release-upgrades
Here, set Prompt=normal in the file /etc/update-manager/release-upgrades. Note that it is set to Prompt=lts by default. Once done, save the changes by pressing Ctrl + O and then exit the editor by pressing Ctrl + X.
Now, run the following set of commands and follow on-screen instructions to upgrade to Ubuntu 20.10:
$ sudo apt update
$ sudo apt upgrade
$ sudo apt install update-manager-core
$ sudo do-release-upgrade -d
$ sudo apt update && apt upgrade
After the installation is complete, remove previously pre-installed software which is no longer included in the latest release. Run the following command:
$ sudo apt autoremove --purge