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arch-chroot(1)
==============
:doctype: manpage
NAME
----
arch-chroot - script to mount API filesystems like /proc and make /etc/resolv.conf available in a chroot
SYNOPSIS
--------
*arch-chroot* ['option'] 'chroot-dir' ['command']
OPTIONS
-------
*-h*::
Print the help message
*-u* '<user>[:group]'::
Specify non-root user and optional group to use
DESCRIPTION
-----------
Before *arch-chroot* runs */usr/bin/chroot*, the script mounts API filesystems
like '/proc' and makes '/etc/resolv.conf' available in a chroot.
The Debian version of this script also sets up '/usr/sbin/policy-rc.d' to
disable autostart of daemons.
If 'command' is unspecified, arch-chroot will launch */bin/bash*.
Note that when using arch-chroot, the target chroot directory *should* be a
mountpoint. This ensures that tools such as findmnt(8) have an accurate hierarchy
of the mounted filesystems within the chroot.
If your chroot target is not a mountpoint, you can bind mount the directory on
itself to make it a mountpoint, i.e. 'mount --bind /your/chroot /your/chroot'.
EXAMPLES
--------
=== Enter a chroot ===
Run arch-chroot with the new root directory as first argument:
```
arch-chroot /location/of/new/root
```
To exit the chroot simply use:
```
exit
```
=== Run a single command and exit ===
To run a command in the chroot and exit again, append the command to the end of the line:
```
arch-chroot /location/of/new/root command
```
For example, to run *dpkg-configure -a* for a chroot located at '/media/testing' do:
```
arch-chroot /media/testing dpkg-configure -a
```
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