apt-key

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Az apt-key linux parancs manual oldala és súgója. Az apt-key az apt által a csomagok hitelesítéséhez használt kulcsok listájának kezelésére szolgáló parancs. Az e kulcsokkal hitelesített csomagok megbízhatónak tekinthetők.

Ne feledük, hogy ha az apt-key használatára van szükség, akkor a GNU Privacy Guard eszköz további telepítésére is szükség van, amely a gnupg csomagban található meg. Már csak ezért sem ajánlott az automatizált használat (különösen a csomagkarbantartó szkriptekben!). Továbbá az összes parancs kimeneti formátuma nincs meghatározva, és változhat, és változik is, ha az alapul szolgáló parancsok megváltoznak. Az apt-key megpróbálja észlelni az efféle használatot, és ezekben az esetekben figyelmeztetéseket generál a szabványos hiba kimenetre.

 

 

Man oldal kimenet

man apt-key
APT-KEY(8)                                   APT                                  APT-KEY(8)

NAME
       apt-key - APT key management utility

SYNOPSIS
       apt-key [--keyring filename] {add filename | del keyid | export keyid | exportall |
               list | finger | adv | update | net-update | {-v | --version} | {-h | --help}}

DESCRIPTION
       apt-key is used to manage the list of keys used by apt to authenticate packages.
       Packages which have been authenticated using these keys will be considered trusted.

       Note that if usage of apt-key is desired the additional installation of the GNU
       Privacy Guard suite (packaged in gnupg) is required. For this reason alone the
       programmatic usage (especially in package maintainerscripts!) is strongly
       discouraged. Further more the output format of all commands is undefined and can and
       does change whenever the underlying commands change.  apt-key will try to detect such
       usage and generates warnings on stderr in these cases.

SUPPORTED KEYRING FILES
       apt-key supports only the binary OpenPGP format (also known as "GPG key public ring")
       in files with the "gpg" extension, not the keybox database format introduced in newer
       gpg(1) versions as default for keyring files. Binary keyring files intended to be
       used with any apt version should therefore always be created with gpg --export.

       Alternatively, if all systems which should be using the created keyring have at least
       apt version >= 1.4 installed, you can use the ASCII armored format with the "asc"
       extension instead which can be created with gpg --armor --export.

COMMANDS
       add filename
           Add a new key to the list of trusted keys. The key is read from the filename
           given with the parameter filename or if the filename is - from standard input.

           It is critical that keys added manually via apt-key are verified to belong to the
           owner of the repositories they claim to be for otherwise the apt-secure(8)
           infrastructure is completely undermined.

           Note: Instead of using this command a keyring should be placed directly in the
           /etc/apt/trusted.gpg.d/ directory with a descriptive name and either "gpg" or
           "asc" as file extension.

       del keyid
           Remove a key from the list of trusted keys.

       export keyid
           Output the key keyid to standard output.

       exportall
           Output all trusted keys to standard output.

       list, finger
           List trusted keys with fingerprints.

       adv
           Pass advanced options to gpg. With adv --recv-key you can e.g. download key from
           keyservers directly into the trusted set of keys. Note that there are no checks
           performed, so it is easy to completely undermine the apt-secure(8) infrastructure
           if used without care.

       update (deprecated)
           Update the local keyring with the archive keyring and remove from the local
           keyring the archive keys which are no longer valid. The archive keyring is
           shipped in the archive-keyring package of your distribution, e.g. the
           debian-archive-keyring package in Debian.

           Note that a distribution does not need to and in fact should not use this command
           any longer and instead ship keyring files in the /etc/apt/trusted.gpg.d/
           directory directly as this avoids a dependency on gnupg and it is easier to
           manage keys by simply adding and removing files for maintainers and users alike.

       net-update
           Perform an update working similarly to the update command above, but get the
           archive keyring from a URI instead and validate it against a master key. This
           requires an installed wget(1) and an APT build configured to have a server to
           fetch from and a master keyring to validate. APT in Debian does not support this
           command, relying on update instead, but Ubuntu's APT does.

OPTIONS
       Note that options need to be defined before the commands described in the previous
       section.

       --keyring filename
           With this option it is possible to specify a particular keyring file the command
           should operate on. The default is that a command is executed on the trusted.gpg
           file as well as on all parts in the trusted.gpg.d directory, though trusted.gpg
           is the primary keyring which means that e.g. new keys are added to this one.

FILES
       /etc/apt/trusted.gpg
           Keyring of local trusted keys, new keys will be added here. Configuration Item:
           Dir::Etc::Trusted.

       /etc/apt/trusted.gpg.d/
           File fragments for the trusted keys, additional keyrings can be stored here (by
           other packages or the administrator). Configuration Item Dir::Etc::TrustedParts.

SEE ALSO
       apt-get(8), apt-secure(8)

BUGS
       APT bug page[1]. If you wish to report a bug in APT, please see
       /usr/share/doc/debian/bug-reporting.txt or the reportbug(1) command.

AUTHOR
       APT was written by the APT team <apt@packages.debian.org>.

AUTHORS
       Jason Gunthorpe

       APT team

NOTES
        1. APT bug page
           http://bugs.debian.org/src:apt

APT 1.8.2.1                           22 November 2016                            APT-KEY(8)

 

 

Súgó kimenet

sudo apt-key
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.

 

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