Script to create a deployment user on a linux box

user.sh

# Remote Server
useradd www-deploy -c "Deployment User" -d /home/www-deploy -G www-data -m -s /bin/bash
sudo su - www-deploy

# Localhost
ssh-keygen -t rsa

# Append your key to the Remote host authorized keys file
cat id_rsa.pub >> ~/.ssh/authorized_keys

# Remote Host
#vim /etc/ssh/sshd_config
sed -i '/^#*RSAAuthentication /c RSAAuthentication yes' /etc/ssh/sshd_config
sed -i '/^#*PubkeyAuthentication /c PubkeyAuthentication yes' /etc/ssh/sshd_config
sed -i '/^#*ChallengeResponseAuthentication /c ChallengeResponseAuthentication no' /etc/ssh/sshd_config
sed -i '/^#*PasswordAuthentication /c PasswordAuthentication no' /etc/ssh/sshd_config
sed -i '/^#*UsePAM /c UsePAM no' /etc/ssh/sshd_config
service ssh restart