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 inaccessible, for optimal visibility into every [...]

By |2021-04-15T17:06:44+00:00April 14th, 2021|Categories: Blog, How To|Tags: , , , |0 Comments

OpenNMS On the Horizon – Nephron, Flows, Karaf, Antora, Ticketing, Alarms, Smoke Tests, Minion, Swagger, BSM, Jetty

In the last week we worked on Nephron and flows, Karaf, Antora documentation, ticketing and alarms, smoke tests, the Minion, Swagger UI for ReST, BSM editing, and Jetty TLS configs.

By |2021-04-06T17:47:57+00:00April 6th, 2021|Categories: OOH|Tags: , , , , , , , , , , , , , |0 Comments

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 aggregation as a bottleneck to storage, [...]

By |2021-04-01T17:41:09+00:00April 1st, 2021|Categories: Blog, How To|Tags: , , |0 Comments

OpenNMS On the Horizon – Configuration, Kafka, Flows, Docs, JDK11, Thresholding, Selenium, Prometheus, CircleCI, ReST, Enlinkd, UI/UX

In the last week we continued to work on documentation, UI cleanups, configuration schema work, JDK11 build updates, Prometheus exporting, CircleCI improvements, a ReST API for Enlinkd, and more.

OpenNMS On the Horizon – Newts, Kafka, BMP, Configuration, Docs, Events, Nephron, UI/UX, ReST, User Validation

In the last week we worked on Newts, Kafka queues, transitioning from OpenBMP, a configuration API, documentation, event definitions, Nephron benchmarking, UI/UX cleanups, ReST improvements, and user validation. Github Project Updates Internals, APIs, and Documentation Dustin fixed an issue with TTL handling in Newts. Dustin's fix for cache priming in Newts was backported to some of [...]

By |2021-03-01T19:43:36+00:00March 1st, 2021|Categories: OOH|Tags: , , , , , , , , , |0 Comments
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