Answered by : scary-shrew-x95dvr57zq46

wget -O- <https://example.com/key/repo-key.gpg> | gpg --dearmor | sudo tee /usr/share/keyrings/<myrepository>-archive-keyring.gpg

Source : https://www.linuxuprising.com/2021/01/apt-key-is-deprecated-how-to-add.html | Last Update : Mon, 07 Jun 21