Create new user centos 7.1 and add to sudoers

create_user_centos_7.sh

# based on this
# https://wiki.centos.org/HowTos/Network/SecuringSSH
# https://www.digitalocean.com/community/tutorials/how-to-add-and-delete-users-on-a-centos-7-server

# Create user

sudo adduser newuser

sudo /usr/sbin/visudo

sudo passwd newuser

sudo gpasswd -a newuser wheel

sudo lid -g wheel

ssh localhost

exit

ls -la ~/.ssh/

touch ~/.ssh/authorized_keys

chmod 700 ~/.ssh

chmod 600 ~/.ssh/authorized_keys

vim ~/.ssh/authorized_keys