Grafana dashboard: OpenNMS Linux Node-level Performance Data
Description: Grafana pendant for Node-Level Performance Data KSC graphs

* See all Linux node metrics in one dashboard
* Nodes get selected by using the nodeFilter: nodeSysOID LIKE '.1.3.6.1.4.1.8072.3.2.10' & serviceName like 'SNMP'
* Memory statistics graph is configured to use the new memory definition. See here: https://askubuntu.com/questions/770108/what-do-the-changes-in-free-output-from-14-04-to-16-04-mean
* netsnmp 5.7.3 is required on client side because of ssCpuNumCpus metric for load graph
* Uptime graph is set to 4 weeks range to get an idea if reboots happend

If you find errors or have enhancements, feel free to create a pull request in our Github repo: https://github.com/opennms-forge/grafana-dashboards/tree/master/Linux-Performance-Node-Level

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