# Allow members of group sudo to execute any command Start reviewing and editing below this line: Note: The visudo command will open /etc/sudoers using the system's preferred text editor (usually vi or vim). In order to accomplish that, we will view the contents of /etc/sudoers and edit them where applicable. It is important to ensure that sudoers file located in /etc/sudoers is setup properly in order to allow sudo users to effectively use the sudo command. Usermod -aG wheel mynewusername Step 4: Making sure your sudoers file is setup properly Usermod -aG sudo mynewusername RHEL/CentOS Essentially, there is no real difference except for the syntax used to become root, and users belonging to both groups can use the sudo command. Meanwhile, a sudo user would have use the sudo su first. In CentOS and Debian, a user belonging to the wheel group can execute su and directly ascend to root. For the purpose of this tutorial, we will use the sudo group for Debian. ![]() ![]() You can however manually add the wheel group using the groupadd command. Note: In Debian, the sudo group is often found instead of wheel. Adding your sudo user to the wheel group is entirely optional, but it is advisable. The wheel group is a user group which limits the number of people who are able to su to root. RHEL/CentOS and DebianĪdduser mynewusername Step 3: Adding the new user to the wheel group (optional) Yum install sudo -y Step 2: Adding the sudo userĪ sudo user is a normal user account on a Linux or Unix machine. In this tutorial, we will be covering the basic steps for disabling direct root access, creating a sudo user, and setting up the sudo group on RHEL/CentOS and Debian Linux systems. The use of a sudo user is often coupled by disabling direct root access to one's server in an effort to prevent unauthorized access. Using a sudo user to access a server and execute commands at root level is a very common practice among Linux Systems Administrators.
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