How do I restrict a user to run a command using sudo?

June 1, 2019 Off By idswater

How do I restrict a user to run a command using sudo?

Specify the user in /etc/sudoers as having permission to execute /usr/sbin/sudo . This will allow them to execute the sudo command, but they will have no permissions to run any other commands.

How do I restrict a user that only runs ping command?

Press ESC key and type :wq to save and close the file. Now when the user logs in, the restricted shell(rbash) will run as the default login shell and read the . bash_profile, which will set PATH to $HOME/bin so that the user will only be able to run the ls, mkdir and ping commands.

How can you allow a user to run only certain privileged commands?

So it is possible to enable a user to run only specific commands with sudo in Linux. This can be done by modifying the /etc/sudoers file or by adding user specific sudoers configuration file under the /etc/sudoers.

What is restricted shell in Linux?

A restricted shell is a regular UNIX shell, similar to bash , which does not allow user to do certain things, like launching certain commands, changing the current directory, and others.

How do I restrict a user to a specific directory in Linux?

Create a new group to add all users inside this group.

  1. sudo groupadd restriction.
  2. sudo useradd -g restriction username.
  3. sudo usermod -g restriction username.
  4. Match user username ChrootDirectory /path/to/folder ForceCommand internal-sftp AllowTcpForwarding no X11Forwarding no.
  5. sftp [email protected]_ADDRESS.

How do I give a user a specific directory access in Linux?

To change directory permissions in Linux, use the following:

  1. chmod +rwx filename to add permissions.
  2. chmod -rwx directoryname to remove permissions.
  3. chmod +x filename to allow executable permissions.
  4. chmod -wx filename to take out write and executable permissions.

How to restrict user access to a Linux system?

No dice with the cd command. You can try any command you like, but only mkdir, ls, and ssh will work for the vega user. And that’s how you can heavily restrict users on a Linux system with rbash. This is a really handy way to control what commands your users can execute and how they can move about within the directory structure.

How can I restrict the normal user to run only limited set of commands?

How can I restrict the normal user to run only limited set of commands in RHEL? No translations currently exist. Need to restrict the normal users to run only limited set of commands assigned to him/her and all other commands for which normal user have permission to execute by-default, shall not be executed.

What are the restrictions of a restricted shell?

The Restricted Shell will limit the users from executing most commands and from changing the current working directory. The Restricted Shell will impose the following restrictions to the users: It will not allow you to execute cd command. So you can’t go anywhere. You can simply stay in the current working directory.

What can I do with restricted shell in Linux?

Here’s how to set up a restricted shell on Linux. A restricted shell isn’t a different shell. It’s a different mode of a standard shell. The Bash , Korn , Fish, and other shells can all be started in restricted shell mode.