jailer.conf - configuration file of jailer
jailer is a script for creating chrooted environments for Debian
jailer.conf is the configuration file for jailer.conf
Every configuration definition has to start and end with a jail
identifier, which should be unique and be in brackets.
For example, an Apache chroot identifier should look like this:
The identifier use needs to be closed.
The configuration for the chroot instance is defined inside
these identifiers. The following lines can be used to describe
This line describes the PATH of the chrooted enviroment.
Conf: This line describes the PATH or PATH/filename which should be
copied over to the chrooted environment. For example Conf:
/etc/apache/* , which uses a wild card.
Debs: This line contains the name of those Debian packages which
should be installed into the chrooted environment.
This line contains those deb packages which should not be
installed into the chrooted environment.
Junk: This line contains those files or directories which should not
be installed. For example /lib/* means all files and links under
/lib should not be installed, while /lib/libconsole.so.0.0.0
means a file which should not to be installed.
Extra: This line contains those files or directories which should be
installed into the chrooted environment. For example: /var/run
will install that a directory which is needed for the chrooted
Do not configure your daemon inside your jail, because updatejail
script will wipe out all the data inside the jail. If you would want to
change any settings inside the jail, make the changes in the original
location and then run updatejail . This makes it possible to place a
jail even to a ramdisk.
updatejail(8) jailer.conf(5), dpkg(8)
This manual page was written by Péter Höltzl <email@example.com>.
December 4, 2001