Camilo Matajira
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How to start a Raspberry Pi in Grafana and disable screensaver
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sudo nano /home/pi/.config/lxsession/LXDE-pi/autostart Paste this: @xset s 0 0 @xset s noblank @xset s noexpose @xset dpms 0 0 0 @/usr/bin/chromium-browser…
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jq replacing contents with a variable in bash, for ElasticSearch queries
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THe trick for replacing a variable inside a json in bash is the following: close the single quotes (‘), put your…
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How to make Filebeat’s include_lines work!
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The key to make include_lines work is to understand that (1) Filebeat uses its own set of regular expressions and (2)…
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The secret to making Filebeat faster!
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I used to complain about how slow Filebeat is after restarting. I did not want to restart Filebeat because my ELK…
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Containers listen on default ports despite you don’t publish them
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This is a very weird phenomenon that I found out the other day. When people make container images they usually EXPOSE…
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Mastering Filebeat
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Filebeat is the program that crawls your logs in a certain folder or file that you specify, and sends these logs…
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Logstash introduction and tips
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Why Logstash? Logs are text, Logstash converts that text into useful data and then helps you ingest it into ElasticSearch or…
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Tips to improve your GROKing skills
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Logstash’s GROK is the heart of the ELK stack. You must master this skill in order to be proficient in the…