Monthly Archives: February 2023

iptables NAT

Reference On localhost, if the destination is to 192.168.1.254, then change to 8.8.8.8 iptables -t nat -L -n -v ## show it in rutle

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Elasticsearch – enable/install metricbeat

Bydefault Stack Monitoring in ES is empty, you need to install metricbeat to enabled the Kibana dashaboard, once it’s installed (just Once), you will see the cluster heath in Kibana Stack Monitoring Dashboard. Find any machine to download metricbeat (the … Continue reading

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Elasticsearch – Add a node to cluster

If you have installed elastic cluster by RPM, chances are when the installation completed, the preconfiguration of Elasticsearch is completed, and you are in the single cluster node. So when you install the second node, you need to remove/delete some … Continue reading

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Retrieve http_ca key in Elastic Stack

For a new user, the first thing will occur when a on-prem Elastic Stack is deployed. And it’s the place almost you are confusing, and possibly have issue to troubleshoot. From Elastic 8.0 and onward, by default the minimum security, … Continue reading

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