Ubuntu: testing disk performance from the command line
In this tutorial, I’ll explain how to test the read and write performance of a disk on Ubuntu using the command line. To give you some points of comparison, I ran the …
Tutorials
All IT tutorials: systems, networking, virtualization, security.
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Windows 11: Joining an Active Directory domain
Active Directory In this tutorial, I’ll explain how to join a Windows 11 computer to a domain. Prerequisites for joining a domain Active Directory Active DirectoryThe …
How to use Robocopy on Windows: complete guide with practical examples
Learn how to use Robocopy in Windows to efficiently copy, back up, and sync your files. Essential options, practical examples, and best practices for automating your …
rsync: how to copy/back up files on Linux
Introduction to rsync LinuxIn this tutorial, I’ll explain how to usersync rsync (Remote Synchronization) to make copies or backups. rsynIt is a folder synchronization …
Docker: Configure remote access on port 2376
In this tutorial, we’ll see how to configure remote access to the daemonDockerusing port 2376, which will allow you to manage your containers remotely or monitor them. …
Windows Admin Center v2: Installation, configuration and getting started
Learn how to install, configure, and use Windows Admin Center v2 to effectively manage your Windows servers.
ADFS: How to replace the SSL certificate
In this tutorial, I’ll explain how to replace the SSL certificate on ADFS (Active DirectoryFederation Services). This step is necessary when renewing an expired …
Installing and configuring WDS on Windows Server 2025
In this tutorial, we will learn how to install and configure the WDS (Windows Deployment Services) role on Windows Server 2025. The WDS role will allow us to set up a set …
Fortimail: Remove mail server headers
In this tutorial, I will explain how to remove internal mail server headers from message sources. To understand what we are going to do, here are the sources of a message …
Active Directory: Deleting a user using PowerShell
In this tutorial, we’ll look at how to delete a user from an Active Directory directory using PowerShell. At first glance, this is fairly easy using the cmdlet …
Windows Server 2025: Install the AD CS role - Enterprise Certification Authority
In this tutorial, I will explain how to install the AD CS (Active DirectoryCertificate Services) role, which allows you to set up a certificate authority that will enable …
PSD – MDT in PowerShell: installation and configuration
In this tutorial, we’ll look at how to install, configure, and use PSD (PowerShell Deployment), which is a version of MDT that has been rewritten in PowerShell To provide …