key Manage GPG keys used to verify TeX Live databases.…
Manage GPG keys used to verify TeX Live databases. More information: https://www.tug.org/texlive/tlmgr.html.
tlmgr key list
sudo tlmgr key add {{path/to/key.gpg}}
cat {{path/to/key.gpg}} | sudo tlmgr key add -
sudo tlmgr key remove {{key_id}}