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UNIX for Dummies Questions & Answers
UID problem
Post 8345 by rwb1959 on Wednesday 10th of October 2001 10:35:34 AM
10-10-2001
It looks like you may have a good possibility, Perderabo 
The man page for shutdown has the following paragraph...
If shutdown is called with a delay, it creates the advi-
sory file /etc/nologin which causes programs such as
login(1) to not allow new user logins. Shutdown only
removes this file if it is stopped before it can signal
init (i.e. it is cancelled or something goes wrong). Oth-
erwise it is the responsibility of the system shutdown or
startup scripts to remove this file so that users can
login.
...as you say, the startup scripts should remove it but maybe
somthing was modified somewhere.
Way to keep those brain cells working!
The man page for shutdown has the following paragraph...
If shutdown is called with a delay, it creates the advi-
sory file /etc/nologin which causes programs such as
login(1) to not allow new user logins. Shutdown only
removes this file if it is stopped before it can signal
init (i.e. it is cancelled or something goes wrong). Oth-
erwise it is the responsibility of the system shutdown or
startup scripts to remove this file so that users can
login.
...as you say, the startup scripts should remove it but maybe
somthing was modified somewhere.
Way to keep those brain cells working!
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LEARN ABOUT NETBSD
nologin
NOLOGIN(5) BSD File Formats Manual NOLOGIN(5) NAME
nologin -- file disallowing and containing reason for disallowing logins DESCRIPTION
The file /etc/nologin, if it exists, causes the login procedure, used by programs such as login(1), to terminate. The program may display the contents of /etc/nologin to the user before exiting. This file is a simple mechanism to temporarily prevent incoming logins. As such, the file /etc/nologin is created by shutdown(8) five min- utes before system shutdown, or immediately if shutdown is in less than five minutes. The file /etc/nologin is removed just before shutdown(8) exits. To disable logins on a per-account basis, see nologin(8). The file /etc/nologin has no affect on the login procedure for the root user. FILES
/etc/nologin The nologin file resides in /etc. EXAMPLES
NO LOGINS: System going down at 18:22 SEE ALSO
login(1), ftpd(8), nologin(8), rshd(8), shutdown(8), sshd(8) BSD
December 9, 2005 BSD