Where is the config with enable/disable services located in systemd?

Question

linux

So we did systemctl enable/disable some_service. And where did systemd check the box that now this service should / should not be started at OS startup?

Answer 1

And let's see.

[email protected] ~
> # systemctl enable nginx.service
Created symlink /etc/systemd/system/multi-user.target.wants/nginx.service → /lib/systemd/system/nginx.service.

[email protected] ~
> # systemctl disable nginx.service
Removed /etc/systemd/system/multi-user.target.wants/nginx.service.

The output of commands in the terminal is quite useful to read.