How to run a Linux Program on Startup

1. Run this command

   sudo nano /etc/systemd/system/YOUR_SERVICE_NAME.service

2. Paste in the command below. Press ctrl + x then y to save and exit

   Description=GIVE_YOUR_SERVICE_A_DESCRIPTION
   
   Wants=network.target
   After=syslog.target network-online.target
   
   [Service]
   Type=simple
   ExecStart=YOUR_COMMAND_HERE
   Restart=on-failure
   RestartSec=10
   KillMode=process
   
   [Install]
   WantedBy=multi-user.target

3. Reload services

   sudo systemctl daemon-reload

4. Enable the service

   sudo systemctl enable YOUR_SERVICE_NAME

5. Start the service

   sudo systemctl start YOUR_SERVICE_NAME

6. Check the status of your service

   systemctl status YOUR_SERVICE_NAME

7. Reboot your device and the program/script should be running. If it crashes it will attempt to restart