I assume that have added youtube-viewer https://github.com/trizen/youtube-viewer
via the PPA with$ sudo add-apt-repository ppa:nilarimogard/webupd8Now update the repository with$ sudo apt updateand install with$ sudo apt install youtube-viewer
I assume that have added youtube-viewer https://github.com/trizen/youtube-viewer
via the PPA with$ sudo add-apt-repository ppa:nilarimogard/webupd8Now update the repository with$ sudo apt updateand install with$ sudo apt install youtube-viewer