The Secure Shell (or SSH) is a cryptographic protocol enabling secure communication between clients and servers. SSH is widely used to connect to remote Linux systems in a secure way.…
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Founded in 2010 by Solomon Hykes, Docker is by far the most popular virtualization platform available. Widely used in DevOps for continuous development and deployment purposes, Docker stands as a…
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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 see how you can add a user to sudoers on Debian distributions. The sudo command allows authorized users to perform commands as another…
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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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In our previous article about file permissions, we had a quick discussion on the different file types that may exist on a Linux system. Standard files, directories, links, devices, sockets,…
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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…