Usage: apt-key [--keyring file] [command] [arguments] Manage apt's list of trusted keys apt-key add <file> - add the key contained in <file> ('-' for stdin) apt-key del <keyid> - remove the key <keyid> apt-key export <keyid> - output the key <keyid> apt-key exportall - output all trusted keys apt-key update - update keys using the keyring package apt-key net-update - update keys using the network apt-key list - list keys apt-key finger - list fingerprints apt-key adv - pass advanced options to gpg (download key) If no specific keyring file is given the command applies to all keyring files.

Usage: apt-key [--keyring file] [command] [arguments] Manage apt's list of trusted keys apt-key add <file> - add the key contained in <file> ('-' for stdin) apt-key del <keyid> - remove the key <keyid> apt-key export <keyid> - output the key <keyid> apt-key exportall - output all trusted keys apt-key update - update keys using the keyring package apt-key net-update - update keys using the network apt-key list - list keys apt-key finger - list fingerprints apt-key adv - pass advanced options to gpg (download key) If no specific keyring file is given the command applies to all keyring files.