nologin — politely refuse a login
nologin
[−V
] [−h
]
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.
−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.
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 logging into the system. pam_nologin(8) functionality is controlled by /var/run/nologin or the /etc/nologin file.
The nologin command is part of the util-linux package and is available from Linux Kernel Archive
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