Error:- adobe-flashplugin is not available Solution:- sudo apt install browser-plugin-freshplayer-pepperflash sudo apt install adobe-flashplugin sudo apt install ubuntu-restricted-extras sudo apt install flashplugin-installer sudo add-apt-repository “deb http://archive.canonical.com/ $(lsb_release -sc) partner” sudo apt update sudo apt install adobe-flashplugin browser-plugin-freshplayer-pepperflash Comment:- I was struggling with the same then in the process of troubleshooting, i ran above commands and it was installed, Basically for me it was the only archive.canonical.com repo which had the…