add user centos 7 sud code example

Example 1: add user centos 7 sudo

useradd username
passwd username

Example 2: create a sudo user in centos 7

Create a new user accoun: useradd username
Set the user password: passwd username
Add the new user to the sudo group: usermod -aG wheel username
su - username, then run, echo "username  ALL=(ALL) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/username

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