Jun 25, 2020
Apr 04, 2019 · Meanwhile, if a non-root user wants to add another user, they would need to add the sudo prefix to the useradd command, like this: sudo useradd edward. If the user doesn’t use the sudo prefix, they will receive a Permission denied output. The Sudoers File. The sudo command is configured through a file located in /etc/ called sudoers. Aug 15, 2018 · Edit /etc/sudoers. As root, run visudo to edit /etc/sudoers and make the following changes. The advantage of using visudo is that it will validate the changes to the file.. The default /etc/sudoers file contains two lines for group wheel; the NOPASSWD: line is commented out. Add a user to the group using the following command: $ sudo usermod -aG wheel username If adding the user to the group does not work immediately, you may have to edit the /etc/sudoers file to uncomment the line with the group name: Mar 19, 2019 · Most Linux systems, including Ubuntu, have a user group for sudo users. To grant the new user elevated privileges, add them to the sudo group. In a terminal, enter the command: usermod -aG sudo newuser. Replace newuser with the username that you entered in Step 1. Again, if you get an error, run the command with sudo as follows: sudo usermod By adding any user to predefined sudo group wheel will grant root privileges to execute any command as root user. Any attempt to use the sudo command for the non-sudo user will result in: user is not in the sudoers file. This incident will be reported. In this tutorial you will learn: How to create sudo user on RHEL 8 / CentOS 8 system.
1. Adding Users to Sudoers File Manually. Adding the user to the sudoers file is very easy. All you do is open the /etc/sudoers file and add the username to the list. If you haven’t already read through our tutorial explaining the sudo command and the sudoers file in detail.. Let’s first open the file:
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sudo - How to add a user to sudoers file? - Unix & Linux
A user whose privileges are defined in the sudoers file doesn’t necessarily have to be added to the sudo or wheel group. To edit the sudoers file, use the visudo command. This will open the sudoers file with your default editor, usually nano if the EDITOR variable has not been set.