Linux 2.6 - man page for apt-key (linux section 8)
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APT-KEY(8) APT APT-KEY(8)
apt-key - APT key management utility
apt-key [--keyring filename] [command] [arguments...]
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 a new key to the list of trusted keys. The key is read from filename, or standard
input if filename is -.
Remove a key from the list of trusted keys.
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the archive keys which are no longer valid.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 debian-archive-keyring package
Work similar to the update command above, but get the archive keyring from an 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 and relies on update instead,
but Ubuntu's APT does.
Note that options need to be defined before the commands described in the previous
With this option it is possible to specify a specific 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, through 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:
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 Debian archive trusted keys.
Keyring of Debian archive removed trusted keys.
APT bug page. 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 firstname.lastname@example.org.
Copyright (C) 1998-2001 Jason Gunthorpe
1. APT bug page
Linux 28 October 2008 APT-KEY(8)
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