~/systemd-unit-file-builder

Systemd Unit File Builder

Build systemd .service unit files visually — configure Unit, Service, and Install sections with dropdowns and inputs, then copy the generated file.

Presets

Service Name

Name (used for file name and commands below)

[Unit] Section

Description

Documentation

After (start after these targets/services)

Wants (weak dependencies)

Requires (strong dependencies)

Before (start before these targets/services)

[Service] Section

Type

Restart

RestartSec

ExecStart

ExecStop

ExecStartPre

ExecStartPost

ExecReload

WorkingDirectory

User

Group

Environment Variables

EnvironmentFile

TimeoutStartSec

TimeoutStopSec

StandardOutput

StandardError

SyslogIdentifier

PIDFile

Nice

LimitNOFILE

ProtectSystem

ProtectHome

PrivateTmp

NoNewPrivileges

[Install] Section

WantedBy

RequiredBy

Alias

Generated Unit File

myapp.service

[Unit]
After=network.target

[Service]
Type=simple
Restart=on-failure
RestartSec=5
StandardOutput=journal
StandardError=journal

[Install]
WantedBy=multi-user.target

Installation Commands

1. Save the unit file:

sudo nano /etc/systemd/system/myapp.service

2. Reload systemd daemon:

sudo systemctl daemon-reload

3. Enable the service (start on boot):

sudo systemctl enable myapp.service

4. Start the service:

sudo systemctl start myapp.service

5. Check status:

sudo systemctl status myapp.service

6. View logs:

journalctl -u myapp.service -f

What is a systemd service file?

A systemd unit file is an INI-style configuration that tells the Linux init system how to start, stop, and supervise a process. It defines dependencies, restart policies, resource limits, and environment variables — replacing older init scripts with a declarative, standardized format.

How to use this builder

Pick an application preset (Node.js, Python, Go, Docker, etc.) or start blank. Fill in the Unit, Service, and Install sections using the form fields — set the ExecStart command, restart policy, user, working directory, and more. Copy the generated file to /etc/systemd/system/ and run systemctl daemon-reload to activate it.

Why use a unit file builder?

Writing systemd unit files by hand means memorizing dozens of directives and their valid values. This builder surfaces the most common options with sensible defaults, helping you create reliable service files without consulting the man pages every time.