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NOLOGIN(8)                System Management Commands                NOLOGIN(8)

NAME
       nologin - politely refuse a login

SYNOPSIS
       nologin

DESCRIPTION
       The nologin command displays a message that an account is not available
       and exits non-zero. It is intended as a replacement shell field for
       accounts that have been disabled.

       To disable all logins, investigate nologin(5).

       If SSH_ORIGINAL_COMMAND is populated it will be logged.

SEE ALSO
       login(1), nologin(5).

HISTORY
       The nologin command appeared in BSD 4.4.

shadow-utils 4.8.1                02/06/2024                        NOLOGIN(8)
NOLOGIN(5)                 Linux Programmer's Manual                NOLOGIN(5)

NAME
       nologin - prevent unprivileged users from logging into the system

DESCRIPTION
       If  the  file  /etc/nologin exists and is readable, login(1) will allow
       access only to root.  Other users will be shown the  contents  of  this
       file  and  their logins will be refused.  This provides a simple way of
       temporarily disabling all unprivileged logins.

FILES
       /etc/nologin

SEE ALSO
       login(1), shutdown(8)

COLOPHON
       This page is part of release 5.10 of the Linux  man-pages  project.   A
       description  of  the project, information about reporting bugs, and the
       latest    version    of    this    page,    can     be     found     at
       https://www.kernel.org/doc/man-pages/.

Linux                             2017-09-15                        NOLOGIN(5)