[](https://travis-ci.org/Icinga/icinga2) # Icinga 2  #### Table of Contents 1. [About][About] 2. [License][License] 3. [Installation][Installation] 4. [Documentation][Documentation] 5. [Support][Support] 6. [Contributing][Contributing] ## About 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. Icinga 2 as monitoring core works best with [Icinga Web 2](https://www.icinga.com/products/icinga-web-2/) as web interface. More information can be found at [www.icinga.com](https://www.icinga.com/products/icinga-2/) and inside the [documentation](doc/1-about.md). ## License 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 COPYING file included in the source package. ## Installation Read the [INSTALL.md](INSTALL.md) file for more information about how to install it. ## Documentation The documentation is located in the [doc/](doc/) directory. The latest documentation is also available on https://docs.icinga.com ## Support Check the project website at https://www.icinga.com for status updates. Join the [community channels](https://www.icinga.com/community/get-involved/) for questions or ask an Icinga partner for [professional support](https://www.icinga.com/services/support/). ## Contributing 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](CONTRIBUTING.md). <!-- TOC URLs --> [About]: #about [License]: #license [Installation]: #installation [Documentation]: #documentation [Support]: #support [Contributing]: #contributing