What is the PPA for ubuntustudio-installer
Solution 1:
This package is available from universe pocket:
sudo apt-add-repository universe
sudo apt-get update
sudo apt-get install ubuntustudio-installer
For Ubuntu 20.04 LTS you can also use PPA ppa:ubuntustudio-ppa/backports and commands below:
sudo add-apt-repository ppa:ubuntustudio-ppa/backports
sudo apt-get update
sudo apt-get install ubuntustudio-installer
Removing this PPA is possible by
sudo apt install ppa-purge
sudo ppa-purge ppa:ubuntustudio-ppa/backports