Quickly Creating a New Admin User on Ubuntu

Working quite a lot on the Ubuntu Server EC2 images, I am often faced with a need to create one or more additional admin users, which have the same permissions as the first user (“ubuntu” in these images). I did a little bit of searching but didn’t find any way to easily add a new user with the same groups as the Ubuntu user, so I crafted a little command. I’m pasting it here mostly for future self reference, and also in hope this helps someone:

sudo useradd -m -G `groups ubuntu | cut -d" " -f4- | sed 's/ /,/g'` -s/bin/bash newuser

Of course ‘ubuntu’ is the user you want to copy, and ‘newuser’ is the name of the new user.

Note that the new user will be in the admin group but will still require a password when using sudo (that’s because in the EC2 images ‘ubuntu’ is the only user with NOPASSWD privileges. I personally believe this is a good thing, but if you want you can always add NOPASSWD on the admin group in /etc/sudoers.

 

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