Question : The repository 'http://repo.mysql.com/apt/ubuntu bionic InRelease' is not signed.
Answered by : expensive-earthworm-hkull527icac
Err:8 http://repo.mysql.com/apt/ubuntu cosmic InRelease The following signatures were invalid: EXPKEYSIG 8C718D3B5072E1F5 MySQL Release Engineering <[email protected]> SOLUTION sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8C718D3B5072E1F5Source : https://askubuntu.com/questions/1120363/mysql-ppa-invalid-signature | Last Update : Wed, 23 Mar 22