sudo add-apt-repository ppa:webupd8team/y-ppa-manager sudo apt update sudo apt install y-ppa-manager
Yep sudo apt and the command clean or update or upgrade all fail though the 166 repositories are available. Tried autoremove as well.Hello @Greg Baker !
Permission denied means that current user has no access to this particular file.
Did you try "sudo" in front of your command. Usually in Ubuntu based distro "root user" is locked by default but initial user who you made, during installation has access to everything iwo sudo command.