[Unit]
Description=<description about this service>

[Service]
User=<user e.g. root>
WorkingDirectory=<directory_of_script e.g. /root>
ExecStart=<script which needs to be executed>
Restart=always

[Install]
WantedBy=multi-user.target

# Install Location - /etc/systemd/system
# Reload The Service to find files - sudo systemctl daemon-reload