apt-mark Man page

APT-MARK(8) APT APT-MARK(8)

NAME

apt-mark – show, set and unset various settings for a package

SYNOPSIS

apt-mark {-f=filename | {auto | manual} pkg… |
{showauto | showmanual} [pkg…] } | {-v | –version} |
{-h | –help}

apt-mark {hold | unhold | install | remove | purge} pkg… |
{showhold | showinstall | showremove | showpurge} [pkg…]

DESCRIPTION

apt-mark can be used as a unified front-end to set various settings for
a package, such as marking a package as being automatically/manually
installed or changing dpkg selections such as hold, install, deinstall
and purge which are respected e.g. by apt-get dselect-upgrade or
aptitude.

AUTOMATICALLY AND MANUALLY INSTALLED PACKAGES
When you request that a package is installed, and as a result other
packages are installed to satisfy its dependencies, the dependencies
are marked as being automatically installed, while the package you
installed explicitly is marked as manually installed. Once an
automatically installed package is no longer depended on by any
manually installed package it is considered no longer needed and e.g.
apt-get or aptitude will at least suggest removing them.

auto
auto is used to mark a package as being automatically installed,
which will cause the package to be removed when no more manually
installed packages depend on this package.

manual
manual is used to mark a package as being manually installed, which
will prevent the package from being automatically removed if no
other packages depend on it.

showauto
showauto is used to print a list of automatically installed
packages with each package on a new line. All automatically
installed packages will be listed if no package is given. If
packages are given only those which are automatically installed
will be shown.

showmanual
showmanual can be used in the same way as showauto except that it
will print a list of manually installed packages instead.

Options
-f=filename, –file=filename
Read/Write package stats from the filename given with the parameter
filename instead of from the default location, which is
extended_status in the directory defined by the Configuration Item:
Dir::State.

PREVENT CHANGES FOR A PACKAGE
hold
hold is used to mark a package as held back, which will prevent the
package from being automatically installed, upgraded or removed.

unhold
unhold is used to cancel a previously set hold on a package to
allow all actions again.

showhold
showhold is used to print a list of packages on hold in the same
way as for the other show commands.

SCHEDULE PACKAGES FOR INSTALL, REMOVE AND PURGE
Some front-ends like apt-get dselect-upgrade can be used to apply
previously scheduled changes to the install state of packages. Such
changes can be scheduled with the install, remove (also known as
deinstall) and purge commands. Packages with a specific selection can
be displayed with showinstall, showremove and showpurge respectively.
More information about these so called dpkg selections can be found in
dpkg.

OPTIONS

-h, –help
Show a short usage summary.

-v, –version
Show the program version.

-c, –config-file
Configuration File; Specify a configuration file to use. The
program will read the default configuration file and then this
configuration file. If configuration settings need to be set before
the default configuration files are parsed specify a file with the
APT_CONFIG environment variable. See apt.conf(5) for syntax
information.

-o, –option
Set a Configuration Option; This will set an arbitrary
configuration option. The syntax is -o Foo::Bar=bar. -o and
–option can be used multiple times to set different options.

FILES
/var/lib/apt/extended_states
Status list of auto-installed packages. Configuration Item:
Dir::State::extended_states.

SEE ALSO

apt-get(8),aptitude(8),apt.conf(5)

DIAGNOSTICS
apt-mark returns zero on normal operation, non-zero on error.

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.

AUTHORS
Mike O’Connor

APT team

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

APT 1.2.15 25 September 2015 APT-MARK(8)

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