hi can someone help please
sudo wget -q -O - https://cern.ch/flair/download/ubuntu/KEY.gpg | sudo apt-key add -
Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).
gpg: aucune donnée OpenPGP valable n’a été trouvée.
Dear @kitaniabdellah indeed the apt-key is deprecated, however it should be still supported also for the new Ubuntu release 22.04 available from next month.
If you want to add it without apt-key, look the following page:
thank you for your help