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 [...]
OpenNMS Security Issue Requires Immediate Upgrade The OpenNMS Group recently learned about and fixed a security vulnerability that allowed local and remote code execution as an authenticated user via a custom, targeted JEXL expression. Thank you to Artem Smotrakov for notifying us of this issue. CVE-2021-3396 applies to the following: [...]
We recently learned about a security issue with OpenNMS. Please refer to CVE-2021-3396 for more information. To protect everyone using OpenNMS from an exploitation of this vulnerability, the CVE will not provide full details of the vulnerability until Tuesday, February 16, 2021. This should provide time to upgrade your system [...]
Based on Horizon 26.1.3, here’s a preview of some of the features we’re excited to bring to Meridian 2020: Enriched Flows, Better Messaging with Kafka Configure flows to include node metadata before forwarding to Kafka so that you can aggregate flow data or integrate it with your own custom database [...]
The problem: Device design prevents auto-discovery Windstream deploys Calix C7 Multiservice Access Systems (C7s) in its network. C7s work in clusters, where all members of the cluster share the same IP address. Data collection from C7s is complicated, as each device has multiple internal SNMP agents, each of which has [...]
OpenNMS’ week-long annual IT conference, hackathon, and get-together for the global OpenNMS development community wrapped up Friday, July 31. Event Held in Minecraft The Covid-19 pandemic forced the normally in-person Dev Jam online, but with a twist. The event was held in Minecraft, customized with OpenNMS in mind. “OpenNMS has [...]
OpenNMS Group will be participating in a session at TM Forum’s Catalyst Digital Showcase, along with partners Tech Mahindra and Cortex, on Thursday, July 30, 14:00-14:30, CEST. Presented by the TM Forum, a global industry association, catalysts are rapid-fire proof-of-concept projects that bring together large and small companies to create [...]
A good build environment needs the right balance among complexity, speed, cost, and adaptability. With our recent move to CircleCI, OpenNMS has achieved that balance and even created two customized tools that others might find useful.
Find out more about how using metadata in OpenNMS can streamline configuration.
No one wants to have a security vulnerability, particularly with network management software, where the consequences could be serious. Find out how OpenNMS deals with reported security issues when they arise.
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