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virt-login-shell - Man Page

tool to execute a shell within a container


virt-login-shell [OPTION]


The virt-login-shell program is a setuid shell that is used to join an LXC container that matches the user's name.  If the container is not running, virt-login-shell will attempt to start the container. virt-login-shell is not allowed to be run by root.  Normal users will get added to a container that matches their username, if it exists, and they are configured in /etc/libvirt/virt-login-shell.conf.

The basic structure of most virt-login-shell usage is:



-c CMD
Instruct the shell to run CMD instead of presenting an interactive shell prompt.
-h,  --help
Display command line help usage then exit.
-V,  --version
Display version information then exit.


By default, virt-login-shell will execute the /bin/sh program for the user. You can modify this behaviour by defining the shell variable in /etc/libvirt/virt-login-shell.conf. e.g.

shell = [ "/bin/bash" ]

If the auto_shell config option is set then it will attempt to automatically detect the shell from /etc/password inside the container. This should only be done if the container has a separate /etc directory from the host, otherwise it will end up recursively invoking virt-login-shell. e.g.

auto_shell = 1

By default no users are allowed to use virt-login-shell, if you want to allow certain users to use virt-login-shell, you need to modify the allowed_users variable in /etc/libvirt/virt-login-shell.conf. e.g.

allowed_users = [ "tom", "dick", "harry" ]

Exit Status

virt-login-shell normally returns the exit status of the command it executed. If the command was killed by a signal, but that signal is not fatal to virt-login-shell, then it returns the signal number plus 128.

Exit status generated by virt-login-shell itself:


Please report all bugs you discover.  This should be done via either:

  1. the mailing list


  2. the bug tracker


Alternatively, you may report bugs to your software distributor / vendor.


Daniel Walsh


virt-login-shell is distributed under the terms of the GNU LGPL v2+. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE

See Also

virsh(1), https://libvirt.org/


Virtualization Support