Month: August 2019

  • How To Change User Password on Debian 10

    How To Change User Password on Debian 10

    On Debian 10, users are able to change their password pretty easily. It is also possible, if you have sudo rights, to change user passwords as well as to define rules for password change on the host. In this tutorial, we are going to see how you can change the user password on Debian 10 […]

  • How To Install Prometheus with Docker on Ubuntu 18.04

    How To Install Prometheus with Docker on Ubuntu 18.04

    Created in 2012 at SoundCloud, Prometheus is a time series database used in DevOps for real time monitoring. Prometheus is part of an ecosystem that provides alerting, dashboarding as well as a whole set of tools to bind to your existing datasources. On the other hand, Docker is a virtualization platform that provides a way […]

  • How To Add and Delete Users on Debian 10 Buster

    How To Add and Delete Users on Debian 10 Buster

    Adding and deleting users is one of the most basic tasks when starting from a fresh Debian 10 server. Adding user can be quite useful. As your host grows, you want to add new users, assign them special permissions, like sudo rights for example. In this tutorial, we are going all the ways to add […]

  • Windows Server Monitoring using Prometheus and WMI Exporter

    Windows Server Monitoring using Prometheus and WMI Exporter

    If you are a Windows system administrator, or a site reliability engineer, you spend a lot of time monitoring your Windows servers. Sometimes, your servers are down, but you can’t know why easily. Is it because of a high CPU usage on one of the processes? Is the server having some memory issues? Is the […]

  • How To Set Up SSH Keys on Debian 10 Buster

    How To Set Up SSH Keys on Debian 10 Buster

    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. It is also used in the Windows ecosystem to connect to remote Windows machines via OpenSSH. SSH has two ways of authenticating users on a […]

  • How To Install Docker on Windows 7/8/10 Home and Pro

    How To Install Docker on Windows 7/8/10 Home and Pro

    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 reference for managing, deploying and running applications all over the world. In today’s tutorial, we are going to see how to install Docker on Windows, […]

  • How To Install Docker on Ubuntu 18.04 & Debian 10

    How To Install Docker on Ubuntu 18.04 & Debian 10

    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 the industry and one of the fastest DevOps technologies in the industry. In today’s tutorial, we are going to see the steps needed to install […]

  • How To Check SSL Certificate Expiration with Grafana

    How To Check SSL Certificate Expiration with Grafana

    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 parts with SSL certificates. In my recent setup tutorials, for Prometheus or Telegraf, we had to create SSL certificates to make sure the communication between […]

  • AlertManager and Prometheus Complete Setup on Linux

    AlertManager and Prometheus Complete Setup on Linux

    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 wrong in our infrastructure. We may want to receive an email if one of our hosts goes down. Or we may want to receive a […]

  • How To Install Grafana on Windows 8/10

    How To Install Grafana on Windows 8/10

    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 is a dashboarding solution plugging to a wide variety of datasources (most of the time time series databases) in order to visualize data in near […]