SSH: Resolve error: Warning: unprotected private key file!
In this tutorial, I will explain how to resolve the following error : Warning: unprotected private key file! when you try to…
Articles
Tutorials
651 articles
Telnet: Test an SMTP server and send an email
In this tutorial, I will explain how to send an email by telneting into an SMTP server. This manipulation is regularly used…
Docker: Clean up and free up disk space
In this tutorial, I'll walk you through how to clean up Docker to free up disk space on your server or computer.…
Windows Update: Optimizing update distribution
Table of contentPresentation of Distribution OptimizationEnable Delivery Optimization from Windows SettingsConfigure Delivery Optimization by Group Policy (GPO)Windows Firewall RuleActivity monitorConclusion Presentation of…
Configure WSUS to have computers download updates from Microsoft
In this tutorial, I will explain how to configure WSUS so that computers download updates directly from the Microsoft website and not…
Install PHP with IIS on Windows Server 2025
After seeing how to install IIS on Windows Server 2025, we will move on to installing PHP on it. This tutorial should…
Windows 11: Install WSL to run Linux on Windows
In this tutorial, I will explain how to install WSL (Windows Subsystem for Linux) on Windows 11 to allow you to run…
Configure a DNS Forwarder on Windows Server with PowerShell
In this tutorial, I will explain how to add a DNS forwarder on Windows Server using PowerShell. The Cmdlets used in this…
Ubuntu 24.04: install Nginx 1.27.X
In this tutorial, I will explain how to install Nginx version 1.27.X on Ubuntu 24.04 (this also works for Ubuntu version 22.04).…
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…
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…
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…