Debian 9 – rc.local deprecated, how to launch python at startup

fightstarr20 asked:

I am slightly lost, I have a Debian 9 server and a Python Flask script that I am trying to launch at startup.

In the past I have used rc.local to launch things at startup but from reading it seems that it is now deprecated.

Can anyone tell me what is its replacement, what method am I best using now?

My answer:

You launch it using a systemd unit, like every other service.

There are numerous tutorials out on the Internet about how to set this up. Or you can just start with a skeleton unit something like:

Description=uWSGI instance to serve my project

ExecStart=/home/you/project/venv/bin/uwsgi --ini uwsgi.ini


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