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A Journey of a Thousand Miles Begins with a Single Step

Cardinality Aggregations in Elasticsearch

This post demonstrates the usage of the Cardinality feature.

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Distribute Watches in Elasticsearch

X-Pack Alerting aka Elasticsearch Watcher can run distributed in a Elasticsearch cluster.

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Run metricbeat as docker container

Metricbeat as docker container, is a decent monitoring solution to monitor other docker containers in conjunction with Elasticsearch and Kibana. Additionally metricbeat can monitor the docker system itself. You might run into some problems, which I would like to share.

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Run Kafka Manager behind a proxy

I have two ramp up for two data-centers each a Apache Kafka cluster. Maintaining the cluster with the Kafka Manager GUI by Yahoo is pretty comfortable. Since both data-centers are protected by firewall, a web-proxy must forward it for my remote access.

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Monitor Kibana queries with Packetbeat

If you are using X-Pack Monitoring you have a good overview of your Kibana performance. Sometimes it is necessary to know more. Packetbeat can monitor your http traffic between Kibana and the Elasticsearch node.

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Dashboard with id x not found

X-Pack Reporting allows to automate and generate daily reports on pre-existing dashboards or visualizations in Kibana. To keep security tight I have created a reporting user. The first run with the reporting user gave me some mystery. Reporting complained Dashboard with id 'AWLOnWVZLaWygeBEGxLJ' not found. I did some digging and found the reason, which I am going to elaborate about in this post.

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Using Proxy for Python on Windows

Using Python on Windows is not my first choice but if you have to, here are some recipes how to use pip behind a proxy. This post assumes that you are using CNTLM as running proxy.

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Check active users

top gives you information about active users on a linux server system.

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Watch Zombie Processes on Linux

On Unix and Unix-like computer operating systems, a zombie process or defunct process is a process that has completed execution (via the exit system call) but still has an entry in the process table: it is a process in the “Terminated state”.

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