How To Limit User’s Access To The Linux System

Limit User's Access To The Linux System

11 Responses

  1. Layne Bernardo says:

    This is a very helpful article, and presents a much simpler way of providing the exact functionality I need than a chroot jail. Thanks!

  2. sahil says:

    I would like to allow user to use cd command

    • sk says:

      It will not allow you to execute “cd” command. So you can’t go anywhere. You can simply stay in the current working directory. If you allow the “cd” command, what is the point of using Restricted Shell? The user can go anywhere and do whatever he wants. There won’t be any restriction.

      Anyway, try the following and let me know if it works.

      Run the following command to allow “cd” command:

      # ln -s /bin/cd /home/ostechnix/bin/cd

      Make sure you have created the “/home/ostechnix/bin” directory. Now, the user can able to use “cd” command.

  3. Davey says:

    This is a really helpful article and exactly what I needed in a clear manner and thanks for that. But I have a question, if I wanted to allow users to run certain Python scripts from an alias stored in the /opt/ directory, how would I allow a user to run a command say

    python3 /opt/application/

    or a custom alias for that?

    • sk says:

      Create a “bin” directory inside the home folder of the the new user and move the script to bin directory. Please read the guide carefully. I have mentioned how to allow users to run new commands.

  4. Arvind Kumar says:

    How do I set for a perticular group.

  5. Shozib Javed says:

    Very informative article; helped a lot. Thank you author.

  6. Youssef Kanane says:

    Hi ,

    thx for this useful article .

    for redhat distrib :

    Modify the PATH variable like below.


    • Youssef Kanane says:

      sorry ignore the above about path . it is working fine with PATH=$HOME/bin , it was rather /home/userx/bin directory permission issue . thanks again for this intuitive article .

      actually I wanted this user to have the right to read some system logs like /var/log/messages , so have added sudo privileges (/etc/sudoers) to user group .
      after doing so , the user was no more restricted to those commands … is their a way to have : root privileged user with restricted commands ?

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.