Properly creates a new user for CentOS/RHEL/Fedora/Debian

create_new_user.sh

#!/bin/bash

# Create a new user named morpheus
useradd -m -s /bin/bash morpheus

# Add users to sudo or wheel group
usermod -aG sudo morpheus #Debian/Ubuntu
usermod -aG wheel morpheus #CentOS/RHEL

# Create Home Directory + .ssh Directory
mkdir -p /home/morpheus/.ssh

# Create Authorized Keys File
touch /home/morpheus/.ssh/authorized_keys

# Set the permissions correctly for the ssh folders
chmod 700 /home/morpheus/.ssh
chmod 644 /home/morpheus/.ssh/authorized_keys

# Set the users password
passwd morpheus