CentOS7添加sudoers

Add New System User in CentOS

adduser newuser

Create a Strong Password

passwd newuser

Add User to the Wheel Group in CentOS

The wheel group is a special user group that allows all members in the group to run all commands. Therefore, you need to add the new user to this group so it can run commands as superuser. You can do that by using the following command:

usermod -aG wheel newuser

Again, make sure you are using the name of the actual user instead of newuser. Now, use visudo to open and edit the /etc/sudoers file. Make sure that the line that starts with %wheel is not commented. It should look exactly like this:

## Allows people in group wheel to run all commands
%wheel  ALL=(ALL)       ALL

Switch to the sudo User

su - newuser

The way to test this is to run the following command:

sudo whoami
root