apt-key 命令

学习参照网上教程在容器中搭建nginx时看到apt-key命令不解，记录一下。一下是 --help中的解释。

apt-key命令解释：

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)

apt-key adv的解释：

Commands:

 -s, --sign [file]             make a signature

     --clearsign [file]        make a clear text signature

 -b, --detach-sign             make a detached signature

 -e, --encrypt                 encrypt data

 -c, --symmetric               encryption only with symmetric cipher

 -d, --decrypt                 decrypt data (default)

     --verify                  verify a signature

     --list-keys               list keys

     --list-sigs               list keys and signatures

     --check-sigs              list and check key signatures

     --fingerprint             list keys and fingerprints

 -K, --list-secret-keys        list secret keys

     --gen-key                 generate a new key pair

     --delete-keys             remove keys from the public keyring

     --delete-secret-keys      remove keys from the secret keyring

     --sign-key                sign a key

     --lsign-key               sign a key locally

     --edit-key                sign or edit a key

     --gen-revoke              generate a revocation certificate

     --export                  export keys

     --send-keys               export keys to a key server

     --recv-keys               import keys from a key server

     --search-keys             search for keys on a key server

     --refresh-keys            update all keys from a keyserver

     --import                  import/merge keys

     --card-status             print the card status

     --card-edit               change data on a card

     --change-pin              change a card's PIN

     --update-trustdb          update the trust database

     --print-md algo [files]   print message digests

Options:

 -a, --armor                   create ascii armored output

 -r, --recipient NAME          encrypt for NAME

 -u, --local-user              use this user-id to sign or decrypt

 -z N                          set compress level N ( disables)

     --textmode                use canonical text mode

 -o, --output                  use as output file

 -v, --verbose                 verbose

 -n, --dry-run                 do not make any changes

 -i, --interactive             prompt before overwriting

     --openpgp                 use strict OpenPGP behavior

     --pgp2                    generate PGP .x compatible messages