icinga2/doc/01-about.md

# About Icinga 2 <a id="about-icinga2"></a>

## What is Icinga 2?  <a id="what-is-icinga2"></a>

Icinga 2 is an open source monitoring system which checks the availability of
your network resources, notifies users of outages and generates performance
data for reporting.

Scalable and extensible, Icinga 2 can monitor large, complex environments across
multiple locations.

## Licensing  <a id="licensing"></a>

Icinga 2 and the Icinga 2 documentation are licensed under the terms of the GNU
General Public License Version 2. You will find a copy of this license in the
LICENSE file included in the source package.

## Support  <a id="support"></a>

Check the project website at [icinga.com](https://icinga.com) for status updates. Join the
[community channels](https://icinga.com/community/) for questions
or ask an Icinga partner for [professional support](https://icinga.com/services/support/).

## Contribute  <a id="contribute"></a>

There are many ways to contribute to Icinga -- whether it be sending patches,
testing, reporting bugs or reviewing and updating the documentation. Every
contribution is appreciated!

Please continue reading in the [Contributing chapter](https://github.com/Icinga/icinga2/blob/master/CONTRIBUTING.md).

### Icinga 2 Development <a id="development-info"></a>

The Git repository is located on [GitHub](https://github.com/Icinga/icinga2).

Icinga 2 is written in C++ and can be built on Linux/Unix and Windows.
Read more about development builds in the [development chapter](21-development.md#development).

## What's New <a id="whats-new"></a>

The Icinga 2 Changelog is located [here](https://github.com/Icinga/icinga2/blob/master/CHANGELOG.md).
Please follow our release announcements on [icinga.com](https://icinga.com/blog/) too.
Update docs for better compatibility with mkdocs * Rename files to allow easy ordering * Update links inside markdown according to new file names * Move HTML links (<a>...</a>) to the end of the header lines * This is necessary to allow mkdocs to parse headers correctly and display them in the TOC * Following sed command was used: sed -i .bu 's/\(<a.a>\) \(.\)/\2 \1/g' $filename 2017-07-12 20:46:12 +02:00			`# About Icinga 2 <a id="about-icinga2"></a>`
Add documentation files. 2013-09-26 08:59:29 +02:00
Update docs for better compatibility with mkdocs * Rename files to allow easy ordering * Update links inside markdown according to new file names * Move HTML links (<a>...</a>) to the end of the header lines * This is necessary to allow mkdocs to parse headers correctly and display them in the TOC * Following sed command was used: sed -i .bu 's/\(<a.a>\) \(.\)/\2 \1/g' $filename 2017-07-12 20:46:12 +02:00			`## What is Icinga 2? <a id="what-is-icinga2"></a>`
Add documentation files. 2013-09-26 08:59:29 +02:00
Update documentation 2015-02-06 15:08:51 +01:00			`Icinga 2 is an open source monitoring system which checks the availability of`
Fixed grammer and spelling mistakes 2017-10-30 17:02:42 +01:00			`your network resources, notifies users of outages and generates performance`
Update documentation 2015-02-06 15:08:51 +01:00			`data for reporting.`
Update documentation. Refs #5870 2014-03-30 11:52:39 +02:00
Fixes for poor grammar and bad sentence structure. Refs #5795 Signed-off-by: Gunnar Beutner <gunnar@beutner.name> 2014-05-29 11:58:25 +02:00			`Scalable and extensible, Icinga 2 can monitor large, complex environments across`
Update documentation. Refs #5878 2014-03-29 01:13:28 +01:00			`multiple locations.`
Update documentation. 2013-09-26 14:01:29 +02:00
Update docs for better compatibility with mkdocs * Rename files to allow easy ordering * Update links inside markdown according to new file names * Move HTML links (<a>...</a>) to the end of the header lines * This is necessary to allow mkdocs to parse headers correctly and display them in the TOC * Following sed command was used: sed -i .bu 's/\(<a.a>\) \(.\)/\2 \1/g' $filename 2017-07-12 20:46:12 +02:00			`## Licensing <a id="licensing"></a>`
Add documentation files. 2013-09-26 08:59:29 +02:00
Update documentation. 2013-09-26 14:01:29 +02:00			`Icinga 2 and the Icinga 2 documentation are licensed under the terms of the GNU`
Fixed grammer and spelling mistakes 2017-10-30 17:02:42 +01:00			`General Public License Version 2. You will find a copy of this license in the`
Update documentation. Refs #5855 2014-04-05 16:25:44 +02:00			`LICENSE file included in the source package.`
Update documentation. 2013-09-26 14:01:29 +02:00
Update docs for better compatibility with mkdocs * Rename files to allow easy ordering * Update links inside markdown according to new file names * Move HTML links (<a>...</a>) to the end of the header lines * This is necessary to allow mkdocs to parse headers correctly and display them in the TOC * Following sed command was used: sed -i .bu 's/\(<a.a>\) \(.\)/\2 \1/g' $filename 2017-07-12 20:46:12 +02:00			`## Support <a id="support"></a>`
Add documentation files. 2013-09-26 08:59:29 +02:00
icinga.com: Update everything else 2018-10-18 09:50:53 +02:00			`Check the project website at [icinga.com](https://icinga.com) for status updates. Join the`
icinga.com: Update docs for /community/get-involved -> /community 2018-10-18 09:32:14 +02:00			`[community channels](https://icinga.com/community/) for questions`
icinga.com: Update everything else 2018-10-18 09:50:53 +02:00			`or ask an Icinga partner for [professional support](https://icinga.com/services/support/).`
Update documentation. 2013-09-26 14:01:29 +02:00
Update docs for better compatibility with mkdocs * Rename files to allow easy ordering * Update links inside markdown according to new file names * Move HTML links (<a>...</a>) to the end of the header lines * This is necessary to allow mkdocs to parse headers correctly and display them in the TOC * Following sed command was used: sed -i .bu 's/\(<a.a>\) \(.\)/\2 \1/g' $filename 2017-07-12 20:46:12 +02:00			`## Contribute <a id="contribute"></a>`
Documentation: Add 'contribute' section. 2014-03-20 21:24:39 +01:00
Changes hyphens (-) to en dashes (typography) refs #11599 2016-04-22 16:05:09 +02:00			`There are many ways to contribute to Icinga -- whether it be sending patches,`
Fixed grammer and spelling mistakes 2017-10-30 17:02:42 +01:00			`testing, reporting bugs or reviewing and updating the documentation. Every`
Update documentation 2015-02-06 15:08:51 +01:00			`contribution is appreciated!`
Documentation: Add 'contribute' section. 2014-03-20 21:24:39 +01:00
Update documentation for new contributing file refs #5156 2017-04-18 18:06:52 +02:00			`Please continue reading in the [Contributing chapter](https://github.com/Icinga/icinga2/blob/master/CONTRIBUTING.md).`
Documentation: Add wiki howto url for help updating the docs 2015-03-07 17:12:45 +01:00
Update docs for better compatibility with mkdocs * Rename files to allow easy ordering * Update links inside markdown according to new file names * Move HTML links (<a>...</a>) to the end of the header lines * This is necessary to allow mkdocs to parse headers correctly and display them in the TOC * Following sed command was used: sed -i .bu 's/\(<a.a>\) \(.\)/\2 \1/g' $filename 2017-07-12 20:46:12 +02:00			`### Icinga 2 Development <a id="development-info"></a>`
Add troubleshooting chapter, fix addon chapter. Fixes #5611 Fixes #6275 2014-05-23 01:01:06 +02:00
Update README.md and correct project URLs fixes #13491 2016-12-08 17:38:41 +01:00			`The Git repository is located on [GitHub](https://github.com/Icinga/icinga2).`
Add troubleshooting chapter, fix addon chapter. Fixes #5611 Fixes #6275 2014-05-23 01:01:06 +02:00
Update README.md and correct project URLs fixes #13491 2016-12-08 17:38:41 +01:00			`Icinga 2 is written in C++ and can be built on Linux/Unix and Windows.`
Improve development docs for macOS & Windows for 2.11 - macOS doesn't require sudo anymore - Windows builds must use Boost 1.66+ - Fix link in About section - Add recommended books: Boost application programming 2019-04-02 15:30:35 +02:00			`Read more about development builds in the [development chapter](21-development.md#development).`
Documentation: Add a note for the vagrant demo vm to 'about' . Fixes #6248 2014-05-20 15:12:55 +02:00
Update docs for better compatibility with mkdocs * Rename files to allow easy ordering * Update links inside markdown according to new file names * Move HTML links (<a>...</a>) to the end of the header lines * This is necessary to allow mkdocs to parse headers correctly and display them in the TOC * Following sed command was used: sed -i .bu 's/\(<a.a>\) \(.\)/\2 \1/g' $filename 2017-07-12 20:46:12 +02:00			`## What's New <a id="whats-new"></a>`
Update ChangeLog. Refs #5254 2013-12-03 09:47:07 +01:00
Update documentation for 2.7.0 2017-08-02 11:55:05 +02:00			`The Icinga 2 Changelog is located [here](https://github.com/Icinga/icinga2/blob/master/CHANGELOG.md).`
icinga.com: Update everything else 2018-10-18 09:50:53 +02:00			`Please follow our release announcements on [icinga.com](https://icinga.com/blog/) too.`