Systemd Unit Generator
Generate systemd unit files for Linux services, timers, and sockets. Configure ExecStart, restart policy, User, Environment, OnCalendar timers, and socket activation β export a ready-to-use unit file.
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What is Systemd Unit Generator?
The Systemd Unit Generator is a free online tool that builds valid systemd unit files for Linux. It supports the three most common unit types β long-running services (.service), scheduled timers (.timer), and socket-activated sockets (.socket) β and writes correct [Unit], [Service]/[Timer]/[Socket], and [Install] sections so you can deploy a daemon without memorizing INI syntax.
Key Benefits
- No more INI syntax errors, wrong section ordering, or missing ExecStart lines
- Context-aware form that only shows the fields relevant to your chosen unit type
- Sensible defaults: RestartSec on failure, multi-user.target, and a filename derived from your Description
- Works offline in the browser β your commands and environment never leave your machine
- Copy-paste ready output for /etc/systemd/system/ with a one-click download
Common Use Cases
- β’Deploying a Node.js, Python, Go, or Ruby web server on a VPS without Docker
- β’Scheduling nightly backups, log rotation, or database cleanup scripts with a .timer
- β’Setting up socket activation for a service that should start on first connection
- β’Creating oneshot units for boot-time initialization scripts
- β’Teaching DevOps trainees how systemd units and targets fit together
How to Use the Systemd Unit Generator
- Choose the unit type: Select .service for a long-running process, .timer for scheduled tasks, or .socket for socket activation.
- Fill in the [Unit] section: Enter a Description and dependency targets like After=network.target or Requires=postgresql.service.
- Configure the type-specific section: For a service set ExecStart, WorkingDirectory, User, Environment, and Restart policy. For a timer set OnCalendar or OnBootSec. For a socket set ListenStream.
- Copy or download the unit file: Click Copy or Download, then place the file in /etc/systemd/system/ and run `systemctl daemon-reload && systemctl enable --now your-unit`.
Key Features
- Three unit types: .service, .timer, and .socket with context-aware forms
- Eight systemd Service Types: simple, exec, forking, oneshot, dbus, notify, and more
- Six restart policies with auto RestartSec defaults for resilient services
- Timer scheduling via OnCalendar, OnBootSec, AccuracySec, and Persistent catch-up
- Socket activation support with UNIX socket paths or TCP host:port
- Filename auto-derived from Description β ready for systemctl enable