systemctl-service-sample

A service sample file

This Config file is a basic example on how to execute a script during a boot time and auto-restart program on systemd Linux

Usage

Step 1: Create foo.service in /etc/systemd/system

$ cd /etc/systemd/system

$ touch foo.service

Step 2: Modify your foo.service file

Description : Your app simple description.

ExecStart : Your app or shell script path.

Restart : Restart options

Restart settings/Exit causes	always	on-success	on-failure	on-abnormal	on-abort	on-watchdog
Clean exit code or signal	*	*
Unclean exit code	*		*
Unclean signal	*		*	*	*
Timeout	*		*	*
Watchdog	*		*	*		*

RestartSec: Time to sleep before restarting a service.

StartLimitIntervalSec StartLimitBurst reference

• If your app needs to display GUI window, you need to add Environment.

Environment="DISPLAY=:0"

You need to find your XAUTHORITY path. Just type echo $XAUTHORITY to check.

Environment="XAUTHORITY=/yourPath/Xauthority"

Step 3

$ sudo chmod 755 foo.service

Step 4

$ sudo systemctl  daemon-reload

Step 5: Enable Your App Service

$ sudo systemctl enable foo.service

Step 6: Start Your App Service

$ sudo systemctl start foo.service

Step 7: Check your service status

$ sudo systemctl status foo.service

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service file parameter

network-online.target: is a target that actively waits until the nework is "up", where the definition of "up" is defined by the network management software. more

Run Docker As A Service

reference

parameter