Systemd Unit Generator

Service Configuration

Service Name

Description

Executable Command

Working Directory

Run as User

Run as Group

Service Type

Restart Policy

Restart Delay (seconds)

Dependencies

After (start after these units)

Wants (soft dependencies)

Security Hardening

Private /tmp

Protect system directories

Protect /home

No new privileges

Read-only paths

Resource Limits

Memory limit

CPU quota

Generated Unit File

# Click Generate to create config

Installation Commands

# Commands

Timer Configuration

Timer Name

Description

Timer Type

OnCalendar Schedule

Format: DayOfWeek Year-Month-Day Hour:Minute:Second

Target Service Unit

Persistent (run missed events)

Randomize delay (up to 1 hour)

Generated Timer Unit

# Click Generate to create config

Common OnCalendar Examples

`--* *:00:00`	Every hour
`--* 02:00:00`	Daily at 2 AM
`Mon --* 09:00:00`	Every Monday at 9 AM
`--01 00:00:00`	First of every month
`hourly`	Every hour (shorthand)
`daily`	Every day at midnight
`weekly`	Every Monday at midnight

Socket Configuration

Socket Name

Description

Socket Type

Listen Address

Target Service

Accept mode (one service per connection)

Backlog (max pending connections)

Generated Socket Unit

# Click Generate to create config

Systemd Unit File Basics

Unit File Locations

System units: /etc/systemd/system/
User units: ~/.config/systemd/user/

Common Commands

systemctl daemon-reload - Reload unit files
systemctl enable --now unit - Enable and start

Service Types

simple: Main process stays in foreground
forking: Daemon that forks to background
oneshot: Short-lived scripts

Debugging

systemctl status unit - Check status
journalctl -u unit -f - Follow logs