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In this tutorial it says to use below to give a new user sudo privileges:
gpasswd -a "newuser" sudo
https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-14-04
In this tutorial it says to use add newuser ALL=(ALL:ALL) ALL using:
visudo
https://www.digitalocean.com/community/tutorials/how-to-add-and-delete-users-on-an-ubuntu-14-04-vps
Should I use both techniques?
Thanks!
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