Systemd Fundamentals

The modern Linux init system. PID 1 process. Manage all services. Systemctl is the main command.

Common Commands

systemctl start/stop/restart nginx。 systemctl status nginx。 Systemctl enables nginx to start automatically upon startup.

Custom Service

Write the xxx. service file under/etc/systemd/system/. Three sections: [Unit], [Service], and [Install]. Complete the systemctl daemon reload.

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