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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Nginx: configuration as reverse proxy

In this tutorial dedicated to Nginx, I will explain how to configure it in order to have a reverse proxy. Before getting to the heart of the matter, I will quickly introduce you to Nginx and what a reverse proxy. For this tutorial, I used an Ubuntu 20.04 machine. Introducing Nginx Nginx is a web …

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Hyper-V Cluster: Installation and Configuration

Introduction Through this tutorial, we will see how to set up a Hyper-v cluster under Windows Server (2012R2 / 2016/2019) step by step. Each step requires it, will take you on a tutorial to guide you in setting up a Hyper-V cluster. Prerequisites Be in an Active Directory environment, ideally having a server-side domain controller …

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Active Directory: Setting up an authentication silo

In this tutorial, I will explain how to set up an authentication silo with Active Directory, but before going into detail, I will explain in a few words what an authentication silo is used for. In fact it is quite simple, it allows to control on which computers a user can connect, the authentication silos …

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Proxmox: configure email notifications

In this tutorial, I will explain how to configure an SMTP server on Proxmox to receive email notifications. Configure an SMTP server in Proxmox Go to Datacenter / Notifications. Click on the Add button 1 then on SMTP 2. Name 1 the configuration, configure the SMTP server 2, enter a sender email address 3, select …

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Windows Server 2025: Install IIS Web Server

In this tutorial, we will see how to install the IIS role, which allows you to deploy Microsoft’s web server on Windows Server 2025. IIS web server is used in many Microsoft products like: But also third-party products like Veeam which rely on this web server. Before starting the installation of IIS, you should know …

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GPO: Run PowerShell script at logon

In this tutorial, I will show you how to run a PowerShell script at user logon using Group Policy (GPO) in an Active Directory environment. Before you begin this tutorial, here are some considerations when running scripts at login: In this tutorial I will use a pretty simple script, it will just create an entry …

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GPO: Run a PowerShell script when the computer starts

In this tutorial, I will show you how to run a PowerShell script when your computer starts. For this example, I created a “simple” PowerShell script that will create an entry in the Windows Event Log. Here is the script: Before you begin, copy your script file to the domain controller you will use to …

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Exchange puts a DAG node into maintenance

Scripts to run on one of the DAG nodes. Script locations: Open a powershell window. Navigate to the script folder: Call the script for maintenance: To take the node out of mode now, you need to call the following script: During maintenance, the script transfers all active databases to another node of the DAG and …

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Windows Server 2025: Install and configure a DHCP server

In this tutorial dedicated to Windows Server 2025, I suggest you see or review how to install the DHCP Server role in order to provide automatic IP configuration to the computers on your network. If you are familiar with the DHCP service in Windows Server, the implementation in Windows Server is identical. Before getting into …

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Ubuntu 24.04: Installing Docker and Docker compose

In this tutorial, I will explain how to install Docker and Docker Compose from the official Docker sources. Au moment de la rédaction de ce tutoriel, Ubuntu 24.04 vient tout juste de sortir et Docker est déjà disponible sur les dépôt On the Docker documentation, you have to pass several command lines to first install …

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Deploy Guacamole in a container with Docker and docker-compose

In this tutorial, I will explain how to deploy Guacamole in a container using Docker and docker-compose. In my first Guacamole tutorial available here, I explained how to install Guacamole directly on Ubuntu. As you will see, deploying Guacamole in a container is very simple and fast. Maintaining the application is also easier, especially for …

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Exchange: convert a shared mailbox into a user mailbox

In this tutorial, I will show you how to convert a shared mailbox to a user mailbox on Exchange using PowerShell. It happens that for the needs of consulting a shared mailbox on mobile, users request a change of mailbox type. Mobile applications do not allow you to view shared mailboxes unless you go through …

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