adduser.sh

sudo useradd -m -U -s /bin/bash USERNAME
sudo mkdir /home/USERNAME/.ssh
sudo chmod 700 /home/USERNAME/.ssh
sudo touch /home/USERNAME/.ssh/authorized_keys
sudo chown -R USERNAME:USERNAME /home/USERNAME/.ssh
sudo chmod 600 /home/USERNAME/.ssh/authorized_keys

if sudo
  sudo usermod -a -G sudo USERNAME

# echo update /etc/ssh/sshd_config
# echo AllowUsers USERNAME
# echo sudo passwd USERNAME