# sys-service

## Description

Role to manage **systemd service units** for Infinito.Nexus software stacks.  
It installs or removes unit files, configures runtime behavior, and ensures services are properly deployed.

## Overview

- Resets service units by removing old or obsolete definitions.  
- Deploys new service unit files and service scripts.  
- Optionally sets up timers linked to the services.  
- Ensures correct reload/restart behavior across the stack.  

## Features

- **Unit Cleanup:** Automated removal of old service units.  
- **Custom Templates:** Supports both `systemctl.service.j2` and `systemctl@.service.j2`.  
- **Timers:** Integrates with `sys-timer` for scheduled execution.  
- **Runtime Limits:** Configurable `RuntimeMaxSec` per service.  
- **Handlers:** Automatic reload/restart of services when definitions change.  

## Further Resources

- [systemd - Service Units](https://www.freedesktop.org/software/systemd/man/systemd.service.html)  
- [systemd - Timer Units](https://www.freedesktop.org/software/systemd/man/systemd.timer.html)  
- [systemctl](https://www.freedesktop.org/software/systemd/man/systemctl.html)