Sudo Privileges - 2 different ways?

In this tutorial it says to use below to give a new user sudo privileges:

gpasswd -a "newuser" sudo

In this tutorial it says to use add newuser ALL=(ALL:ALL) ALL using:


Should I use both techniques?


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You only need to do one or the other. They are simply two different ways to accomplish the same task. In the first example, you are adding your user to the “sudo” group which has permissions to use the sudo command. In the second, you are giving your user the permissions directly.