# apt-key > Key management utility for the APT Package Manager on Debian and Ubuntu - List trusted keys `apt-key list` - Add a key to the trusted keystore `apt-key add {{public_key_file.asc}}` - Delete a key from the trusted keystore `apt-key del {{key_id}}` - Add a remote key to the trusted keystore `wget -qO - {{https://host.tld/filename.key}} | apt-key add -`