projects / thirdparty / util-linux.git / blame
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| 88407b93 KZ |
1 | .TH NOLOGIN 8 "September 2013" "util-linux" "System Administration" |
| 2 | .SH NAME | |
| 3 | nologin \- politely refuse a login | |
| 4 | .SH SYNOPSIS | |
| 5 | .B nologin | |
| 6 | .RB [ \-V ] | |
| 7 | .RB [ \-h ] | |
| 8 | .SH DESCRIPTION | |
| 9 | .B nologin | |
| 10 | displays a message that an account is not available and exits non-zero. It is | |
| fd2e45b7 | 11 | intended as a replacement shell field to deny login access to an account. |
| 88407b93 | 12 | .PP |
| 3a60b1c2 | 13 | If the file /etc/nologin.txt exists, nologin displays its contents to the |
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14 | user instead of the default message. |
| 15 | .PP | |
| 16 | The exit code returned by | |
| 17 | .B nologin | |
| 18 | is always 1. | |
| 19 | .PP | |
| 20 | .SH OPTIONS | |
| 21 | .IP "\fB\-h, \-\-help\fP" | |
| b4362b6f | 22 | Display help text and exit. |
| 88407b93 | 23 | .IP "\fB-V, \-\-version" |
| b4362b6f | 24 | Display version information and exit. |
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25 | .SH NOTES |
| 26 | .B nologin | |
| fd2e45b7 | 27 | is a per-account way to disable login (usually used for system accounts like http or ftp). |
| 88407b93 | 28 | .BR nologin (8) |
| fd2e45b7 OO |
29 | uses /etc/nologin.txt as an optional source for a non-default message, the login |
| 30 | access is always refused independently of the file. | |
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31 | .PP |
| 32 | .BR pam_nologin (8) | |
| 33 | PAM module usually prevents all non-root users from logging into the system. | |
| 34 | .BR pam_nologin (8) | |
| fd2e45b7 | 35 | functionality is controlled by /var/run/nologin or the /etc/nologin file. |
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36 | .SH AUTHORS |
| 37 | .UR kzak@redhat.com | |
| 38 | Karel Zak | |
| 39 | .UE | |
| 40 | .SH SEE ALSO | |
| 41 | .BR login (1), | |
| 42 | .BR passwd (5), | |
| 43 | .BR pam_nologin (8) | |
| 44 | .SH HISTORY | |
| 45 | The | |
| 46 | .B nologin | |
| 47 | command appeared in 4.4BSD. | |
| 48 | .SH AVAILABILITY | |
| 49 | The nologin command is part of the util-linux package and is available from | |
| d673b74e | 50 | .UR https://\:www.kernel.org\:/pub\:/linux\:/utils\:/util-linux/ |
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51 | Linux Kernel Archive |
| 52 | .UE . |