Etc Nologin

Creating the /etc/nologin File. Create this file to disallow user logins and notify users when a system will be unavailable for an extended period of time because of a system shutdown or routine maintenance.

Jan 27, 2014 · How to Block User Logins Using /etc/nologin File. The primary function of /etc/nologin file is to display a message (stored in the file) to users attempting to log on to a system during the process of shutdown. Once the message has been displayed to the user, the login procedure terminates, preventing the user from logging onto the system.

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.

For information, the main "user" of /etc/nologin used to be the shutdown command when not used with the "now" parameter (eg: shutdown -r 23:10 "reboot for maintenance") it would put some minutes in advance the /etc/nologin file to prevent users to login before the imminent shutdown. It puts it now in /run/nologin (which is also checked by /bin ...

There is little purpose to listing /sbin/nologin in /etc/shells. The standard effect of /etc/shells is to list the programs permissible for use with chsh when users are changing their own shell (and there is no credible reason to change your own shell to /sbin/nologin). The superuser can change anyone's shell to anything.

will restict the user logins if i put the same in /etc/profile ,it restricts the users using telnet to login,but where do i put the same to restrict the uers logins using reflectionx. ... i want to dispaly that message of /etc/nologin for some time on screen .I want to include sleep of 5 sec ..how can i do that.the message just goes away. ...

pam_nologin - Prevent non-root users from login Synopsis. pam_nologin.so [file=/path/nologin] [successok] Description. pam_nologin is a PAM module that prevents users from logging into the system when /etc/nologin exists. The contents of the /etc/nologin file are displayed to the user.

Instead of creating an empty /etc/nologin file with the "touch" command, you may want to put some text in there: The file is displayed when a non-root user is blocked from logging-in, but they have to enter a valid username and password first.

The /etc/nologin file is removed when you restart the system. If the domainlessgroups attribute is set in the /etc/secvars.cfg file, all group IDs are fetched from the LDAP module, and from the files modules, if the user belongs to any one of these domains.