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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, Juniper, Foundry, and many more.
LibreNMS is a community-based fork of the last GPL-licensed version of Observium.
Currently hosted on netmon1002 and netmon2001
Replaces Observium which ran on Streber.
- Software is not installed via Debian package
- Software installed in:
- RRD data stored in:
- User creds are stored in MySQL:
# grep auth_mechanism /srv/deployment/librenms/librenms/config.php
- Authentication is done via LDAP
LibreNMS can group interfaces based on their description's prefix, for example "Transit:", "Peering:". Which is shown under the "ports" dropdown.
Prefixes not shown in the dropdown are still reachable by editing the URL, for example:
LibreNMS IRC bot named librenms-wmf outputs the alerts and recoveries on the -operation channel. This to help correlate series of alerts between different monitoring tools.
More details about the alerts can be found on https://librenms.wikimedia.org/alerts/ .
If the bot misbehaves or is too noisy and needs to be stopped, two options:
- Turn off "IRC Transport" in https://librenms.wikimedia.org/settings/sub=alerting/
- ssh to librenms.wikimedia.org and turn of the service
sudo service librenms-ircbot stop
Then file a task to track the issue.