Ubuntu 22.04: install Docker

In this tutorial, I will show you a script to install Docker and Docker Compose on Ubuntu 22.04. Today more and more applications are available in containers with Docker, I regularly have to install a new machine on Ubuntu and have to install Docker and Docker Compose. Personally, I prefer to install Docker from the …

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  Zabbix: monitoring your infrastructure – installation and configuration with Docker

In this tutorial, I will explain how to set up Zabbix with Docker to monitor your server and network infrastructure. For those who follow me regularly, I have long been a fan of PRTG for its “simplicity” but which has certain limits compared to Zabbix. I will come back to it in an article explaining …

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  Crowdsec: secure your web server network – installation and configuration

In this tutorial, I will explain to you how to secure the network part of your web servers with Crowdsec. The tutorial is made on Ubuntu 20.04 Crowdsec overview Crowdsec is an open source tool that allows you to “secure” or rather add a layer of security to your Linux servers (soon Windows too) by …

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  Ansible: installation, configuration and use with Windows and Linux

Ansible is open source multi-platform configuration management software (Linux, Windows, network equipment, etc.). In other words, Ansible will allow you to manage, deploy or even execute actions on a group of computers in a “single command line”. Actions / configuration are written to a YAML format file also called playbook. Through this tutorial, I will …

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  Guacamole: manage access to your IT environment

In this tutorial, I will explain how to install Guacamole on Ubuntu, configure access to equipment and use it. Before starting the technique, I will first introduce you to Apache Guacamole and especially why to put it in place. What is Guacamole? No, I’m not going to talk about the avocado sauce recipe in this …

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Proxmox: backup with Proxmox Backup Server

In this tutorial, we will see how to set up a backup in Proxmox with Proxmox Backup Server. Overview of Proxmox Backup Server In addition to providing a free virtualization solution, Proxmox provides a backup solution for its Hypervisor system under the name Proxmox Backup Server. Key features: You can find the full feature list …

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Proxmox: delegate authorizations to users

In this tutorial, we will see how to delegate actions to a user on a virtual machine using roles. Proxmox is a complete hypervisor that allows you to manage authorizations on virtual machines quite finely. We will assume that you need to authorize a person from the support service to be able to manage the …

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Proxmox: create a private network with NAT

In this tutorial, I will explain to you how to create a private network on Proxmox and configure NAT so that the LXC/CT containers and virtual computers in this network have access to the Internet. Using NAT in this situation will bring out the VM and CT to the Internet with the IP address of …

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Proxmox: supervision with Zabbix

In this tutorial, I will explain to you how to monitor a Proxmox server with Zabbix. Supervision of Proxmox with Zabbix is done through the Proxmox API, which also makes it possible to report information on the VMs and CT which operates on the Hypervisor. Supervision is done by importing a model into Zabbix; it …

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Proxmox: migrate a virtual machine into two servers

In this tutorial, we will see how to move / migrate a virtual machine between two Proxmox servers. In order to be able to move a virtual machine between two Proxmox servers, the servers must be members of the same cluster (Datacenter). In this tutorial, we will move VM 103 which is located on server …

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Guacamole: delegate authentication to Keycloak with OpenID

Presentation In this tutorial, I’ll walk you through how to configure Guacamole to use Keycloak with OpenID to authenticate users. Using Keycloak with Guacamole will give us additional features such as: With Keycloak and OpenID, there are two ways to manage users in Guacamole: In this tutorial, I’ll cover both. Concerning the environment Guacamole and …

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Proxmox: create an LXC container

In this tutorial, we will see how to create an LXC container on Proxmox. Overview of LXC LXC which allows container management on Linux. Like any containerization system, LXC containers share resources with the host that hosts them here Promox. LXC has the advantage of being much lighter than a virtual machine but having the …

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