lk/system/systemd/making services.md
2020-01-02 01:04:35 +01:00

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# Basics
A service can consist of two files - the .sh script to run, and the .service file which describes its run conditions.
The .service file goes in /etc/systemd/system. The scripts themselves might be best placed in $HOME/.local/bin.
# Example - tracker.service
```
[Unit]
Description=Tracker
[Service]
Type=simple
ExecStart=/path/to/script
[Install]
WantedBy=multi-user.target
```
After making the new service, systemd requires reloading:
> sudo systemctl daemon-reload
# Types
* simple - the service cannot be called on by others. It runs on repeat.
* oneshot - the service executes once, then stops.