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			== Overview ==
	In ], ] '''Satellite''' is an open-source ] application (based on the "Foreman" project) that allows ]s to deploy, manage and monitor ] as well as other hosts.		In ], ] '''Satellite''' is an open-source ] application (based on the "Foreman" project) that allows ]s to deploy, manage and monitor ] as well as other hosts.

			This article will henceforth focus on Red Hat Satellite 6 with one section devoted to Red Hat Satellite 5 which is based on a separate toolset related to ]

	One can think of Satellite as a local version of ] (RHN).		One can think of Satellite as a local version of ] (RHN).
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	Recent{{when\|date=September 2014}} versions of Red Hat Satellite emphasise ] and add features, particularly ] ] features for deploying and managing virtual hosts.		Recent{{when\|date=September 2014}} versions of Red Hat Satellite emphasise ] and add features, particularly ] ] features for deploying and managing virtual hosts.

	==~~Deploy~~==		==Functions==

			===Deploy===
	Satellite offers numerous methods for deploying hosts, including simple '']'', ''] install'' and ]. Current versions of Satellite support kickstart using ] as an underlying framework. ], and Koan are methods that can be used to implement bare metal installs and re-imaging of hosts.		Satellite offers numerous methods for deploying hosts, including simple '']'', ''] install'' and ]. Current versions of Satellite support kickstart using ] as an underlying framework. ], and Koan are methods that can be used to implement bare metal installs and re-imaging of hosts.

	==Manage==		===Manage===
	Satellite assists in remotely managing hosts in several areas: software, operational management, and configuration. The 3{{clarify\|reason=There are four bullet items\|date=June 2015}} main mechanisms for managing hosts are:		Satellite assists in remotely managing hosts in several areas: software, operational management, and configuration. The 3{{clarify\|reason=There are four bullet items\|date=June 2015}} main mechanisms for managing hosts are:

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	* Activation Keys		* Activation Keys

	==Monitor==		===Monitor===
	Satellite can provide monitoring of software and systems via probes. These probes periodically explore the target host and send alerts if the probes do not get the correct replies, or if the replies fall outside of some specified range.		Satellite can provide monitoring of software and systems via probes. These probes periodically explore the target host and send alerts if the probes do not get the correct replies, or if the replies fall outside of some specified range.

	==~~Relationship to Spacewalk~~ <!-- ~~Only applies~~ to ~~Satellite versions prior to~~ v6 -->==		==History <!-- References to be added -->==

			{\| class="wikitable"
			!align=left\|Date
			!align=left\|Event
			\|-
			\|align=left\|2004
			\|align=left\|Red Hat Satellite 3 Released
			\|-
			\|align=left\|2005
			\|align=left\|Red Hat Satellite 4 Released
			\|-
			\|align=left\|2007
			\|align=left\|Red Hat Satellite 5 Released
			\|-
			\|align=left\|June 2008
			\|align=left\|Spacewalk donated as open source project upstream for Red Hat Satellite 5
			\|-
			\|align=left\|2016
			\|align=left\|Red Hat Satellite 6 Released. Technological base changed towards a combination of the Open Source projects Foreman (Web-Gui, Deployment), Puppet (Configuration Management), Katello (Content & Software Management) and others. Spacewalk is no longer upstream
			\|-
			\|}

			==Red Hat Satellite 5==

			===Relationship to Spacewalk <!-- Only applies to Satellite versions prior to v6 -->===
	Satellite is a licensed product that only supports Red Hat Enterprise Linux and Solaris. However, Red Hat has released an open source version of Satellite called ]. Features that are contributed to Spacewalk may be incorporated into Satellite though this is not always the case or guaranteed.		Satellite is a licensed product that only supports Red Hat Enterprise Linux and Solaris. However, Red Hat has released an open source version of Satellite called ]. Features that are contributed to Spacewalk may be incorporated into Satellite though this is not always the case or guaranteed.

	Spacewalk supports the management of ] servers but not the management of ] servers.		Spacewalk supports the management of ] servers but not the management of ] servers.

	==Future ==		===Future ===
	Spacewalk and Red Hat Satellite are in long term support mode for Red Hat, as they were originally designed to duplicate the RHN experience that customer saw in 2001 on Red Hat website to be internally deployed into a company's ]. Therefore, the design was web-centric before system management tools such as ], ], ] or other third party stacks like ]. So Red Hat has focused most of its main efforts on new projects such as Fedora's Katello<ref>http://www.katello.org/</ref> and ] to replace the functionality of Spacewalk in future versions of Red Hat Satellite.<ref>http://www.redhat.com/summit/2011/presentations/summit/whats_next/thursday/summit-2011.warner_sanders_t_1400_future_of_satellite-v7.pdf</ref><ref>http://web.archive.org/web/20131208162130/http://www.h-online.com/newsticker/news/item/Katello-system-management-software-hits-version-1-0-1662082.html</ref>		Spacewalk and Red Hat Satellite are in long term support mode for Red Hat, as they were originally designed to duplicate the RHN experience that customer saw in 2001 on Red Hat website to be internally deployed into a company's ]. Therefore, the design was web-centric before system management tools such as ], ], ] or other third party stacks like ]. So Red Hat has focused most of its main efforts on new projects such as Fedora's Katello<ref>http://www.katello.org/</ref> and ] to replace the functionality of Spacewalk in future versions of Red Hat Satellite.<ref>http://www.redhat.com/summit/2011/presentations/summit/whats_next/thursday/summit-2011.warner_sanders_t_1400_future_of_satellite-v7.pdf</ref><ref>http://web.archive.org/web/20131208162130/http://www.h-online.com/newsticker/news/item/Katello-system-management-software-hits-version-1-0-1662082.html</ref>

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Satellite
Website	www.redhat.com/en/technologies/management/satellite

Overview

In computing, Red Hat Satellite is an open-source systems-management application (based on the "Foreman" project) that allows system administrators to deploy, manage and monitor Red Hat Enterprise Linux as well as other hosts.

This article will henceforth focus on Red Hat Satellite 6 with one section devoted to Red Hat Satellite 5 which is based on a separate toolset related to Spacewalk (Software)

One can think of Satellite as a local version of Red Hat Network (RHN).

As of Satellite 6.2, other Operating Systems with some level of deployment, patching & automation support in Satellite include:

AIX
Altlinux
Arch Linux
CoreOS
Debian
FreeBSD
Gentoo
Junos
NX-OS
Solaris
SUSE
Windows

Satellite generally operates in "connected" mode, registering directly with the RHN and downloading relevant software into Satellite's software channels. The organisation's hosts then register against the local Satellite server, instead of directly against Red Hat Network.

For secure deployments, Satellite can operate in a "Disconnected" mode, where updates are downloaded directly from Red Hat via an Internet connected machine and then uploaded into Satellite or a local offline RHN proxy.

Both modes allow the organisation to control which versions of software it makes available for its hosts, as well as making additional software available within the local network.

Recent versions of Red Hat Satellite emphasise virtualization and add features, particularly XML-RPC API features for deploying and managing virtual hosts.

Functions

Deploy

Satellite offers numerous methods for deploying hosts, including simple kickstart, bare metal install and re-imaging. Current versions of Satellite support kickstart using Cobbler as an underlying framework. PXE Boot, and Koan are methods that can be used to implement bare metal installs and re-imaging of hosts.

Manage

Satellite assists in remotely managing hosts in several areas: software, operational management, and configuration. The 3 main mechanisms for managing hosts are:

Software Channels
Configuration Channels
Activation Keys

Monitor

Satellite can provide monitoring of software and systems via probes. These probes periodically explore the target host and send alerts if the probes do not get the correct replies, or if the replies fall outside of some specified range.

History

Date	Event
2004	Red Hat Satellite 3 Released
2005	Red Hat Satellite 4 Released
2007	Red Hat Satellite 5 Released
June 2008	Spacewalk donated as open source project upstream for Red Hat Satellite 5
2016	Red Hat Satellite 6 Released. Technological base changed towards a combination of the Open Source projects Foreman (Web-Gui, Deployment), Puppet (Configuration Management), Katello (Content & Software Management) and others. Spacewalk is no longer upstream

Red Hat Satellite 5

Relationship to Spacewalk

Satellite is a licensed product that only supports Red Hat Enterprise Linux and Solaris. However, Red Hat has released an open source version of Satellite called Spacewalk. Features that are contributed to Spacewalk may be incorporated into Satellite though this is not always the case or guaranteed.

Spacewalk supports the management of CentOS servers but not the management of RHEL servers.

Future

Spacewalk and Red Hat Satellite are in long term support mode for Red Hat, as they were originally designed to duplicate the RHN experience that customer saw in 2001 on Red Hat website to be internally deployed into a company's intranet. Therefore, the design was web-centric before system management tools such as Chef, Puppet, cfengine or other third party stacks like OpenStack. So Red Hat has focused most of its main efforts on new projects such as Fedora's Katello and Foreman to replace the functionality of Spacewalk in future versions of Red Hat Satellite.

References

External links

v t e Red Hat
Major products	Enterprise Linux Cluster Suite GFS2 WildFly Virtual Machine Manager Ceph Satellite Simple Protocol for Independent Computing Environments Ansible CentOS
Services	Network Virtualization OpenShift
Projects	Fedora Project FreeOTP
Defunct	Red Hat Linux Mugshot Spacewalk
People	Jim Whitehurst Matthew Szulik Bob Young Marc Ewing Michael Tiemann Paul Cormier
Mergers and acquisitions	C2Net Cygnus Solutions Gluster Inktank Storage MetaMatrix Qumranet
Related	IBM Fedora Linux Certification Program Enterprise Linux derivatives Tower

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