apt-key man page on ElementaryOS

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APT-KEY(8)			      APT			    APT-KEY(8)

       apt-key - APT key management utility

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

       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.

       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.

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

       export keyid
	   Output the key keyid to standard output.

	   Output all trusted keys to standard output.

	   List trusted keys.

	   List fingerprints of trusted keys.

	   Pass advanced options to gpg. With adv --recv-key you can download
	   the public key.

	   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	   the local keyring the archive keys which are no longer valid.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 ubuntu-keyring package in Ubuntu.

	   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.

       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.

	   Keyring of local trusted keys, new keys will be added here.
	   Configuration Item: Dir::Etc::Trusted.

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

	   Local trust database of archive keys.

	   Keyring of Ubuntu archive trusted keys.

	   Keyring of Ubuntu archive removed trusted keys.

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

       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.

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

       Jason Gunthorpe

       APT team

	1. APT bug page

APT 1.0.1ubuntu2		 09 June 2012			    APT-KEY(8)

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