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Old 12-21-2012, 07:59 AM   #1
jeffersonmvg
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Can I use /sbin/nologin to prevent a user to have access to interactive shell?


Can I use /sbin/nologin to prevent a user to have access to interactive shell?

Thanks in advance
 
Old 12-21-2012, 08:59 AM   #2
Ser Olmy
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According to man nologin, that's the entire purpose of the program. To prevent logins, that is.
 
Old 12-21-2012, 09:06 AM   #3
shivaa
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You can create /etc/nologin to restrict users from login into the system. Only root login will be allowed then.

--- Adding -------

Hi @jeffersonmvg,
Perhaps I didn't read your question properly & I thought you want to restrict users from login into system.
Anyway, you can use /sbin/nologin shell to restrict user, but check whether this is available in your system or not.
If it's not available, then you can add /bin/false as shell for the user whom you do not wish to give login access.
Code:
usermod -s /sbin/nologin username
OR
usermod -s /bin/false username
In addition to /bin/false, add /dev/null in place of home directory in /etc/passwd. (Note: Take backup of /etc/passwd if you manually edit it). New /etc/passwd file entry for that user will look like this:
Code:
username:x:123:123:Sample:/dev/null:/bin/false

Last edited by shivaa; 12-21-2012 at 01:06 PM. Reason: Added info
 
2 members found this post helpful.
Old 01-02-2013, 05:37 AM   #4
jeffersonmvg
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Thank you shivaa
 
  


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