https://lead-devops.blackdevhub.online/en/tags/service/Recent content in Service on Lead DevOpsHugoen-USWed, 02 Sep 2026 00:00:00 +0000https://lead-devops.blackdevhub.online/en/posts/custom-systemd-service/Wed, 02 Sep 2026 00:00:00 +0000https://lead-devops.blackdevhub.online/en/posts/custom-systemd-service/<p>Your application needs to start on boot, restart on crash, and log output. Shell scripts in /etc/rc.local give you none of that. Systemd solves all three with a single declarative file.</p> <h2 id="why-write-a-custom-unit-file">Why Write a Custom Unit File </h2> <p>Supervisord and init scripts are overkill for most cases. Systemd provides a unified interface for service management: socket-based activation, dependency tracking, resource limits, and built-in logging via journald. You get all of it without additional tooling.</p>