Not Your Dad’s OpenNMS

OpenNMS is an “old school open source project” in many ways. We’ve been around for 20 years, spent most of that time hacking on code, and our community feels like family. Typical of early open source projects, marketing and branding haven’t always been a top priority at OpenNMS. We’ve always [...]

By |2021-05-12T05:17:46-04:00May 12th, 2021|

How to: Set up Distributed Monitoring with OpenNMS

Large, distributed networks can be difficult to reach and monitor from a central location, with challenges like firewalls, network address translation (NAT) traversal, overlapping IP address ranges, and locked-down environments. The OpenNMS Minion component extends the reach of Horizon/Meridian, so you can monitor systems and networks that would otherwise be [...]

By |2023-01-11T16:21:05-05:00April 14th, 2021|

How to: Sizing Cassandra or Scylla for Newts

When you want to store large amounts of non-aggregated data (such as performance metrics), the round robin database (RRDtool) in OpenNMS may not be enough. OpenNMS provides a time-series data store (Newts) that works with Apache Cassandra or ScyllaDB to group metrics for more efficient storage and retrieval. It removes [...]

By |2021-04-01T17:41:09-04:00April 1st, 2021|
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