Blog
Published on April 16, 2019, 5:49 p.m.
When you run sudo apt-get update, MySQL repository key has suddenly expired again.
Traceback: W: GPG error: http://repo.mysql.com trusty InRelease: The following signatures were invalid: KEYEXPIRED 1550412832 KEYEXPIRED 1550412832 KEYEXPIRED 1550412832
Fix
sudo apt-key adv --keyserver pgp.mit.edu --recv-keys A4A9406876FCBD3C456770C88C718D3B5072E1F5