How To

Create a Linux Systemd Service and make it runnable

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Systemd is a Linux system tool that one of its features is bootstrapping start and manage system processes.

A systemd service makes it easy to start, stop, restart scripts as well as configure it to start at boot.

Create a systemd service

Suppose that we have a script in /usr/bin/jdk.sh Also suppose that there is a Linux user named jdk in group ourgroup

  1. Create the file /etc/systemd/system/jdk.service and paste the following into it:
[Unit]
Description=Run myscript service as user jdk
SyslogIdentifier=myscript
 
[Service]
Type=simple
User=jdk
Group=ourgroup
ExecStart=/bin/bash /usr/bin/jdk.sh
[Install]
WantedBy=multi-user.target

2. Start the service to verify that it works: sudo systemctl start jdk.

3 . Enable the service so it runs on bootup: sudo systemctl enable jdk.

4. Restart your system and then verify that the MailHog service is running by running 

    systemctl | grep jdk.

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