![]() To change the primary group a user is assigned to, run the usermod command, replacing examplegroup with the name of the group you want to be the primary and exampleusernamewith the name of the user account. While a user account can be part of multiple groups, one of the groups is always the “primary group” and the others are “secondary groups”. The user’s login process and files and folders the user creates will be assigned to the primary group. RELATED: How to Add a User to the sudoers File in Linux Change a User’s Primary Group ![]() usermod -a -G examplegroup exampleusernameįor example, to add the user geek to the group sudo, use the following command: usermod -a -G sudo geek To add an existing user account to a group on your system, use the usermod command, replacing examplegroup with the name of the group you want to add the user to and exampleusername with the name of the user you want to add. You’ll need to use sudo with this command as well (or, on Linux distributions that don’t use sudo, you’ll need to run the su command on its own to gain elevated permissions before running the command). If you want to create a new group on your system, use the groupadd command following command, replacing new_group with the name of the group you want to create. Finally, open a new terminal window and run a command that requires root privileges, such as sudo apt-get update.RELATED: What's the Difference Between Sudo and Su in Linux?.It is important to add this line at the end of the file, so that the other permissions do not override this directive, since they are processed in order. If you have any sort of syntax problem, visudo will warn you and you can abort the change or open the file for editing again. Replace username with your account username, of course. The following assumes Bash as your interactive shell, so you may have to modify steps 2&3 depending on what you use. cp /etc/sudoers /etc/sudoers.old Step 2: Open the Sudoers File Use the visudo command for safely opening the sudoers file. Run the following command in your terminal to create a copy of the sudoers list. It will create a user account, group, password, and home directory. 2 Answers Sorted by: 17 If your account has sudo rights, then there's no need to mess with the suid bit. Step 1: Backup the Sudoers File You need to back up the sudoers file before modifying it. ![]() At the end of the /etc/sudoers file add this line: Create or add a user using adduser command sudo adduser demo OR adduser demo You will be prompted to enter and confirm the password and user detail.You should never edit /etc/sudoers with a regular text editor, such as Vim or nano, because they do not validate the syntax like the visudo editor. Short answer without using any editor (tested on bash, very risky to execute on remote hosts). Open the /etc/sudoers file (as root, of course!) by running: sudo apt update & sudo apt upgrade & sudo snap refresh The command above omits the -y portion, this means you’ll be shown the updates that’ll be installed and you’ll be asked to confirm.Here’s a quick fix that removes the requirement to enter you password for sudo. name: Make sure we have a 'wheel' group group: name: wheel state: present - name: Allow 'wheel' group to have passwordless sudo lineinfile: dest: /etc/sudoers state: present regexp: 'wheel' line: 'wheel ALL (ALL) NOPASSWD: ALL' validate: 'visudo -cf s' - name: Add sudoers users to wheel group user: namedeployer groupswheel. By default, sudo on Ubuntu 20.04 systems is configured to extend full privileges to any user in the sudo group. However, it can also be inconvenient to have to enter your password every time that you use sudo. Let’s examine two approaches to this task: first, adding the user to a pre-defined sudo user group, and second, specifying privileges on a per-user basis in sudo’s configuration. Where username is your passwordless sudo user. We can set the Sudo without a password using the /etc/sudoers. The sudoers file is a file that administrators use to allocate system rights to users. Be advised that success gives you a less secure system and failure can break sudo. You probably know that in Ubuntu/Debian, you should not run as the root user, but should use the sudo command instead to run commands that require root privileges. Entering a password all the time with the Sudo command is irritating when youre the only user. 6 Answers Sorted by: 57 You need to edit the sudoers file.
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