Just add the user to the sudo group:. sudo adduser sudo The change will take effect the next time the user logs in. This works because /etc/sudoers is pre-configured to grant permissions to all members of this group (You should not have to make any changes to this):

Apr 26, 2017 · Replace [username] with the name of the user to whom we want to give permissions to run “sudo” commands. Here’s a screenshot: Save and exit the sudoers file. Now the next time we try and run the “sudo” command with the newly added user, it’ll allow us through. Adding a User to the “wheel” Group Jul 09, 2020 · 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: sudo allows a regular user to act as a superuser on a linux system. This article will show, on CentOS Linux, how to add a regular user to the list of users with sudo power to act as root. Sep 15, 2017 · $ getent group sudo | cut -d: -f4 sk,ostechnix. As you see in the above output, “sk” and “ostechnix” are the sudo users in my system. In the above examples, we listed all sudo users. You might want to know whether a certain user has sudo privilege or not. To do so, run: $ sudo -l -U sk. Sample output:

Sep 15, 2017 · $ getent group sudo | cut -d: -f4 sk,ostechnix. As you see in the above output, “sk” and “ostechnix” are the sudo users in my system. In the above examples, we listed all sudo users. You might want to know whether a certain user has sudo privilege or not. To do so, run: $ sudo -l -U sk. Sample output:

Feb 23, 2019 · With full sudo privileges, a user will be able to perform any operations on the Linux system. It is very important to categorize a user as a sudo user based on the use case. In this guide, we will look in to the following. Create a new Linux user; Adding full sudo privileges to a user; Adding sudo privileges for specific command execution. The sudo command allows regular users to execute commands with administrative/root privileges. 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. The sudo command allows authorized users to perform commands as another user, which is by default the root user. There are two ways to add a user to sudoers : you can add this user to the sudo group or you can add this user to the sudoers file located at etc. Here are the details of the two methods. 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

This command safely opens up the /etc/sudoers file for you in your default editor. Let’s say you want to allow a user named “joe” to run a given command. You just need to add a line like this below (customize for your needs)

echo "[some repository]" | sudo tee -a /etc/apt/sources.list The tee command is called as the superuser via sudo and the -a argument tells tee to append to the file instead of overwriting it. Your original command failed, as the IO redirection with >> will be done as the regular user, only your echo was executed with sudo. Jul 15, 2020 · Add users to the /etc/sudoers configuration file to allow them to use the sudo command. For these users, the sudo command is run in the user’s shell instead of in a root shell. As a result, the root shell can be disabled for increased security.