Question : GPG error: http://ppa.launchpad.net/git-core/ppa/ubuntu hirsute InRelease
Answered by : annoying-albatross-xj1pk49c8wa9
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys <PUBKEY>
Source : https://askubuntu.com/questions/13065/how-do-i-fix-the-gpg-error-no-pubkey | Last Update : Mon, 04 Jan 21