Docker is a platform, also referred as a PaaS (platform as a service), that provides containerization features to quickly install, deploy and test different environments. Docker is widely used in…
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This tutorial describes how to check SSL certification expiration using modern monitoring tools. When setting up complete monitoring solutions, it is very likely that you had to secure the different…
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This guide details all the steps needed to setup the AlertManager with Prometheus on Linux systems. When using modern monitoring solutions, we often want to be alerted when something goes…
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A version of this tutorial already exists for Ubuntu 18.04. Released in 2013 by Grafana Labs, Grafana is one of the most fastest-growing monitoring solutions in use in 2019. Grafana…
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In today’s tutorial, we are going to take a look at one of the most popular monitoring stacks : Grafana and Prometheus. Prometheus is a time series database, created in…
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This tutorial details all the steps to create a database on InfluxDB 1.7.x and 2.x. Created on 2013 by InfluxData, InfluxDB is probably one of the most popular time series…
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If you are new to Linux administration, you may be wondering how Linux file permissions work on Linux systems. Maybe you have been denied the read access to a file…
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This article focuses on the best software engineering books available for software engineers, developers and project managers. I’ll probably never forget my first day as a software engineer. Back in…
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DevOpsELK stack
How To Install an Elasticsearch Cluster on Ubuntu 18.04
by Ruan Bekkerby Ruan BekkerIn this post we will setup a 3 Node Elasticsearch Cluster which will be installed on Ubuntu 18.04. Elasticsearch is a distributed, restful search and analytics engine built on Apache…