There is so much more than you can so, than just starting and stooping your service, when you start to interact with systemd from within your application. Lets find out!!! We'll explore how can you interact with systemd from your aplication, by describing how pystemd, a python binding for systemd, was created at facebook, and what type things your programs can take advantage if you just interact with systemd more. From executing section of your code securely to create development environment on the fly, There is so much more than you can so, than just starting and stooping your service, when you start to interact with systemd from within your application.