Lorsqu’on a le message suivant , après sudo apt update :
W: https://repo.skype.com/deb/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.
$ sudo sed -i 's/^/#/' /etc/apt/sources.list.d/skype-stable.list
$ sudo apt update
$ sudo rm -rf /etc/apt/sources.list.d/skype-stable.list