nologin(category4-postfix.html) - phpMan

NOLOGIN(8)                   System Administration                  NOLOGIN(8)
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 code 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(8)  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 log-
       ging  into  the  system.  pam_nologin(8) functionality is controlled by
       /var/run/nologin or the /etc/nologin file.
AUTHORS
       Karel Zak <kzak AT redhat.com>
SEE ALSO
       login(1), passwd(5), pam_nologin(8)
HISTORY
       The nologin command appeared in 4.4BSD.
AVAILABILITY
       The nologin command is part of the util-linux package and is  available
       from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-
       linux/>.
util-linux                       November 2019                      NOLOGIN(8)