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nologin - Unix, Linux Command - Tutorialspoint
- https://www.tutorialspoint.com/unix_commands/nologin.htm
- nologin displays a message that an account is not available and exits non-zero. It is intended as a replacement shell field for accounts that have been disabled. If the file /etc/nologin.txt exists, nologin displays its contents to the user instead of the default message. SEE ALSO HISTORY The nologin command appeared in BSD 4.4 . Advertisements
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Unix and Linux system nobody users and nologin detailed ...
- https://ofstack.com/Linux/29814/unix-and-linux-system-nobody-users-and-nologin-detailed-introduction.html
- Unix/Linux System user shell is /sbin/nologin what does it mean? If a user's default shell is set to /sbin/nologin, the user is forbidden to log in the system. The purpose of nologin is to restrict some users from logging into shell via ssh. For example, daily users of nginx mysql ES65en-ES66en can set shell as /sbin/nologin by default
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Linux nologin - How to disable user login in Linux
- https://linuxconfig.org/disabling-user-logins-to-linux-system
- To set a user's shell to nologin, you can use the usermod command, along with the -s or --shell option, as seen in the syntax below. In this example, we are setting the shell for user linuxconfig. # usermod linuxconfig -s /sbin/nologin From then on, when the user tries to login, they will see the following message:
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Non Login-shell and Login Shell - Unixmen
- https://www.unixmen.com/non-login-shell-login-shell/
- Different scripts may run on Login and Non-Login shells. We will talk about them later in another article here at Unixmen.com Furthermore, in Linux we have up to 7 different sessions. In order to grant access into them, you can use a common shortcut: CTRL + ALT + F-key (from 1 to 7). For example CTRL + ALT + F2 fires up the second session.
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nologin(8) - Linux manual page - Michael Kerrisk
- https://www.man7.org/linux/man-pages/man8/nologin.8.html
- nologin is a per-account way to disable login (usually used for system accounts like http or ftp). nologin 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 …
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shell - Unix & Linux Stack Exchange
- https://unix.stackexchange.com/questions/10852/whats-the-difference-between-sbin-nologin-and-bin-false
- The nologin command exits with status 1 similar to false, and none of true, false, or nologin are included in /etc/shells. If they were, a user could use chsh to select such a shell and lock himself out of his account. - penguin359 Jul 21, 2015 at 20:30 Add a comment 17
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User account with no login shell - UNIX
- https://www.unix.com/unix-for-dummies-questions-and-answers/138524-user-account-no-login-shell.html
- 5,521, 335 A user without a login shell is a user that can't log into a system, and thus can't run any commands interactively on that system. Still, processes can run as that user. Imagine a server process running as root with a bug that a remote attacker can use to gain local access.
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linux - How can I create a non-login user? - Super User
- https://superuser.com/questions/77617/how-can-i-create-a-non-login-user
- $ adduser -r -s /bin/nologin subversion NOTE: ... I'm a mod on the Unix and Linux site and these cmds are notoriously different b/w distros. The OP mentions RHEL in the question hence why I answered it like so, but they didn't tag it as red hat specific, which is part of the confusion on this Q&A IMO. ...
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How to Block or Disable User Login in Linux - Fedingo
- https://fedingo.com/how-to-block-or-disable-user-login-in-linux/
- /etc/nologin file is simply used to display a message to non-root users who try to login during shutdown, and thereby prevent them from logging in. Generally, it is Linux system that automatically creates this file during system shutdown and deletes it on its own during bootup. However, you can also create this file manually, on your own.
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nologin(5) - Linux manual page - Michael Kerrisk
- https://www.man7.org/linux/man-pages/man5/nologin.5.html
- nologin - prevent unprivileged users from logging into the system DESCRIPTION top If the file /etc/nologin exists and is readable, login (1) will allow access only to root. Other users will be shown the contents of this file and their logins will be refused. This provides a simple way of temporarily disabling all unprivileged logins. FILES top
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How to Block or Disable Normal User Logins in Linux - Tecmint
- https://www.tecmint.com/block-or-disable-normal-user-logins-in-linux/
- This can be used to block user login by manually creating the file as follows. # vi /etc/nologin Add the message below to the file, which will be shown to users attempting to log on to the system. The Server is down for a routine maintenance. We apologize for any inconvenience caused, the system will be up and running in 1 hours time.
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pam_nologin(8) - Linux man page
- https://linux.die.net/man/8/pam_nologin
- pam_nologin(8) - Linux man page Name. 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.
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Linux: Switch to nologin User - Stack Pointer
- https://stackpointer.io/unix/linux-switch-to-nologin-user/648/
- To run a script as a nologin user, use the following command syntax. # su -s /bin/bash -c /path/to/script www-data If you are want to use sudo and want to open a bash shell for that nologin user, use the following command syntax. $ sudo -u www-data /bin/bash To run a script using sudo, use the following command syntax.
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shell - Nologin error in unix - Stack Overflow
- https://stackoverflow.com/questions/35405641/nologin-error-in-unix
- Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.
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pam_nologin - Prevent non-root users from login at Linux.org
- https://www.linux.org/docs/man8/pam_nologin.html
- PAM_NOLOGIN(8) Linux-PAM Manual PAM_NOLOGIN(8) NAME 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 /var/run/nologin or /etc/nologin exists.
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How do I create and modify user accounts to have a nologin ...
- https://access.redhat.com/articles/2072
- English. For security reasons, sometimes you would require that your users are not able to login to the server. The simple solution is to configure their accounts such that their login shell is set to /sbin/nologin. To modify an existing user, execute the command: Raw. usermod -s /sbin/nologin
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Difference between /bin/false & /sbin/nologin - Techglimpse
- https://techglimpse.com/difference-between-false-nologin/
- I have seen few system administrators using /sbin/nologin and few use /bin/false to deny shell access to a particular user in Unix machines. But I have been wondering what's the difference between /bin/false & /sbin/nologin and what is the right way of denying a shell access to a user. Well, this tutorial will explain what is the difference between /bin/false & /sbin/nologin.
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How to customize nologin shell message - sharadchhetri.com
- https://sharadchhetri.com/customize-nologin-shell-message/
- chsh -s /sbin/nologin user_name. When you do ' su -l user_name ' after changing the user bash shell to nologin shell, by default you will get the message "This account is currently not available " . Customize nologin shell message. Step 1: Create a user and change to nologin shell. We have created a user called test.
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aix nologin shell - UNIX
- https://www.unix.com/aix/32733-aix-nologin-shell.html
- If you leave /etc/nologin file, no user other than root can login to that machine. To restrict shell access but ftp, I normall setup some shell scripts in the profile. # 6 12-16-2006 bakunin Registered User 6,384, 2,214
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Howto: Linux shell restricting access - nixCraft
- https://www.cyberciti.biz/tips/howto-linux-shell-restricting-access.html
- The best way to put Linux shell access restriction is to use special shell called nologin, which politely refuse a login. It displays a message that an account is not available and exits non-zero. It is intended as a replacement shell field for accounts that have been disabled or have other user level access such as ftp, pop3, smtp etc.
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linux - Executing a command as a nologin user - Server Fault
- https://serverfault.com/questions/333321/executing-a-command-as-a-nologin-user
- So as a root user, how can I execute commands as other user's, even if they are nologin? linux user-permissions su login. Share. Improve this question. Follow edited Nov 21, 2011 at 18:24. Tablemaker. 1,159 1 1 gold badge 11 11 silver badges 23 23 bronze badges. asked Nov 21, 2011 at 18:14.
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How to Block or Disable Normal User Logins in Linux ...
- https://www.geeksforgeeks.org/how-to-block-or-disable-normal-user-logins-in-linux/
- The nologin shell is located in /usr/sbin/nologin. This command will help you in finding the location of nologin shell: $ which nologin /usr/sbin/nologin. Now to set the user's shell to nologin you can use the usermod command, Here we are going to set "priyanshu" users shell to nologin. usermod -s /usr/sbin/nologin priyanshu
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Howto prevent non-root users from login into ... - nixCraft
- https://www.cyberciti.biz/tips/linux-prevent-normal-users-from-logging-into-system.html
- If the file /etc/nologin exists, login will allow access only to root. Other users will be shown the contents of this file and their logins will be refused. However if you need to give ftp or mail access add user shell /sbin/nologin. Redhat (RHEL)/Fedora core/Cent OS specific example
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