How to Execute/Run a Bash Script at System Startup/Shutdown/Reboot - Ubuntu/Linux Mint

In this tutorial, we will see how to easily run or start a bash script at startup, reboot, or shutdown under Ubuntu or any of its derivatives (Linux Mint). This will be useful to run your favorite program or scripts automatically without starting them manually.

For the bash scrip to run properly, make sure it is executable and well-coded. You can simply turn your script executable using this