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---
edit_link: ''
title: System services and daemons
origin_url: >-
https://raw.githubusercontent.com/automotive-grade-linux/docs-sources/master/docs/security-blueprint/part-5/4-Services.md
---
<!-- WARNING: This file is generated by fetch_docs.js using /home/boron/Documents/AGL/docs-webtemplate/site/_data/tocs/architecture/master/security_blueprint-security-blueprint-book.yml -->
# System services and daemons
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Domain | Improvement
------------------- | -----------
Platform-Services-1 | SystemD ?
Platform-Services-2 | Secure daemon ?
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## Tools
- **connman**: An internet connection manager designed to be slim and to use as
few resources as possible. It is a fully modular system that can be extended,
through plug-ins, to support all kinds of wired or wireless technologies.
- **bluez** is a Bluetooth stack. Its goal is to program an implementation of
the Bluetooth wireless standards specifications. In addition to the basic stack,
the `bluez-utils` and `bluez-firmware` packages contain low level utilities such
as `dfutool` which can interrogate the Bluetooth adapter chipset in order to
determine whether its firmware can be upgraded.
- **gstreamer** is a pipeline-based multimedia framework. It can be used to build
a system that reads files in one format, processes them, and exports them in
another format.
- **alsa** is a software framework and part of the Linux kernel that provides an
**API** for sound card device drivers.
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Domain | `Tool` name | _State_
-------------------- | ----------- | -------
Platform-Utilities-1 | `connman` | _Used_ as a connection manager.
Platform-Utilities-2 | `bluez` | _Used_ as a Bluetooth manager.
Platform-Utilities-3 | `gstreamer` | _Used_ to manage multimedia file format.
Platform-Utilities-4 | `alsa` | _Used_ to provides an API for sound card device drivers.
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