create-user - simple script to create a basic user in Debian

create-user

#! /bin/bash

if [[ $# == 0 ]]; then
    echo ""
    echo "create-user NEW_USERNAME"
    echo ""
    echo "Example Command"
    echo "create-user robert_petit"
    echo ""
    exit
fi

USERNAME=$1
PASSWORD=$(head /dev/urandom | md5sum | cut -c1-10)

# Add user
useradd \
    --shell /bin/bash \
    --user-group \
    --home-dir /home/${USERNAME} \
    --create-home \
    --password $(echo ${PASSWORD} | openssl passwd -1 -stdin) \
    ${USERNAME}

# set password to expire on first login
chage -d 0 ${USERNAME}

echo "Username: ${USERNAME}"
echo "One-Time Password: ${PASSWORD}"