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2.3K Stars 1.6K Forks Other 18.4K Commits 65 Opened issues


Community-based GPL-licensed network monitoring system

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LibreNMS is an autodiscovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware and operating systems including Cisco, Linux, FreeBSD, Juniper, Brocade, Foundry, HP and many more.

We intend LibreNMS to be a viable project and community that: - encourages contribution, - focuses on the needs of its users, and - offers a welcoming, friendly environment for everyone.

The Debian Social Contract will be the basis of our priority system, and mutual respect is the basis of our behaviour towards others. For more about the culture we're trying to build, please read the Freenode philosophy, including guidelines for running an IRC channel and being a community catalyst.


Documentation can be found in the doc directory or, including instructions for installing and contributing.


You can participate in the project by: - Talking to us on Discord or Twitter. - Joining the LibreNMS Community - Improving the documentation. - Cloning the repo and filing pull requests on github. - Bug Reports on our Community Fourms - See CONTRIBUTING for more details.

VM image

You can try LibreNMS by downloading a VM image. Currently, a Ubuntu-based image is supplied and has been tested with VirtualBox.

Download one of the VirtualBox images we have available, documentation is provided which details login credentials and setup details.


Copyright (C) 2006-2012 Adam Armstrong [email protected]

Copyright (C) 2013-2020 by individual LibreNMS contributors

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see

LICENSE.txt contains a copy of the full GPLv3 licensing conditions.

The following additional license conditions apply to LibreNMS (a GPL exception):

As a special exception, you have permission to link or otherwise combine LibreNMS with the included copies of the following third-party software, and distribute modified versions, as long as you follow the requirements of the GNU GPL v3 in regard to all of the remaining software (comprising LibreNMS).

Please see Acknowledgements


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