The above steps worked beautifully, I have made some detailed steps in my answer here:
My env is as follows
- Ubuntu at 17.10
- I have a python app on Gunicorn 19.x server, I need to start this application as a service.
Firstly you need to write a foo.service file.
WorkingDirectory=/path/to/your/working/directory/where the foo lives
ExecStart=/what/process/will call foo eg: in my case I used gunicorn app:app
ExecReload=/bin/kill -HUP $MAINPID
The meaning of every word on the left hand side of the '=' sign and their equivalent in (to the earlier) upstart is in link https://wiki.ubuntu.com/SystemdForUpstartUsers
Once the file is ready, let's say you name it as 'foo.service' (the .service extension is important)
You need to place the file in
After which you need to enable the service by calling
systemctl enable foo
Which will prompt you enter your root password as it will be creating symlinks in some root access based folders where all the services party.
If you have reached till here without any hassle , you are good.
Your service is hence created.
Start it by calling
sudo service foo start
systemctl status foo to see the status
sudo service foo stop to stop the service
I was on the Gunicorn page all day today and tried all the various options and none of them worked and finally this one worked.
Thank you so much @Zanna and @Nicklas Karlsson