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//po4a: entry man manual
= nologin(8)
:doctype: manpage
:man manual: System Administration
:man source: util-linux {release-version}
:page-layout: base
:command: nologin
== NAME
nologin - politely refuse a login
== SYNOPSIS
*nologin* [*-V*] [*-h*]
== DESCRIPTION
*nologin* displays a message that an account is not available and exits non-zero. It is intended as a replacement shell field to deny login access to an account.
If the file _/etc/nologin.txt_ exists, *nologin* displays its contents to the user instead of the default message.
The exit status returned by *nologin* is always 1.
== OPTIONS
*-c*, *--command* _command_
*--init-file*
*-i* *--interactive*
*--init-file* _file_
*-i*, *--interactive*
*-l*, *--login*
*--noprofile*
*--norc*
*--posix*
*--rcfile* _file_
*-r*, *--restricted*
These shell command-line options are ignored to avoid *nologin* error.
*-h*, *--help*::
Display help text and exit.
*-V*, *--version*::
Display version information and exit.
== NOTES
*nologin* is a per-account way to disable login (usually used for system accounts like http or ftp). *nologin* uses _/etc/nologin.txt_ as an optional source for a non-default message, the login access is always refused independently of the file.
*pam_nologin*(8) PAM module usually prevents all non-root users from logging into the system. *pam_nologin*(8) functionality is controlled by _/var/run/nologin_ or the _/etc/nologin_ file.
== HISTORY
The *nologin* command appeared in 4.4BSD.
== AUTHORS
mailto:kzak@redhat.com[Karel Zak]
== SEE ALSO
*login*(1),
*passwd*(5),
*pam_nologin*(8)
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