virt-login-shell(1)



VIRT-LOGIN-SHELL(1)         Virtualization Support         VIRT-LOGIN-SHELL(1)

NAME
       virt-login-shell - tool to execute a shell within a container matching
       the users name

SYNOPSIS
       virt-login-shell [OPTION]

DESCRIPTION
       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:

         virt-login-shell

OPTIONS
       -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.

CONFIG
       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.

       eg.  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.

       eg. 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.

       eg. 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:

       0 An option was used to learn more about this binary.
       125 Generic error before attempting execution of the configured shell;
       for example, if libvirtd is not running.
       126 The configured shell exists but could not be executed.
       127 The configured shell could not be found.

BUGS
       Report any bugs discovered to the libvirt community via the mailing
       list <https://libvirt.org/contact.html> or bug tracker
       <https://libvirt.org/bugs.html>.  Alternatively report bugs to your
       software distributor / vendor.

AUTHORS
         Please refer to the AUTHORS file distributed with libvirt.

         Daniel Walsh <dwalsh at redhat dot com>

COPYRIGHT
       Copyright (C) 2013-2014 Red Hat, Inc., and the authors listed in the
       libvirt AUTHORS file.

LICENSE
       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/>

libvirt-3.9.0                     2017-10-30               VIRT-LOGIN-SHELL(1)

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