GPO - Apply a wallpaper
In this tutorial, I will explain how to apply a background image, also called a Wallpaper, using a group policy. To achieve this, we will need to implement two group …
Tag
Network
37 articles
GPO: Automatically disable Wi-Fi when Ethernet is connected
In this tutorial, we will see how to automatically disable Wi-Fi when the computer is connected to a wired network using a group policy (GPO). Today, more and more …
Windows Server 2025: Installing Hyper-V
Learn how to install the Hyper-V role on Windows Server 2025 and create a virtual machine with Hyper-V.
PowerShell: Resolve a DNS name with Resolve-DnsName
In this tutorial, I will explain how to use PowerShell to perform DNS name resolution using the Resolve-DnsName command. This built-in Windows tool makes it easy to query …
Windows: Add a static route
In this tutorial, I will explain how to add a static route on a Windows computer (Servers or Desktop). To illustrate this tutorial, we will use this diagram: Here we have …
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 …
Docker: change default IP address ranges
In this tutorial, I will explain how to change Docker’s default address range. By default, Docker uses class “B” private addresses from 172.17 to 172.32. For each “stack” …
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 …
GLPI 10: network inventory with GLPI Agent
In this tutorial, I will explain to you how to set up network inventory in GLPI 10 with GLPI Agent. This is the functionality equivalent to network discovery and …
UFW: delete a rule
In this tutorial, I will explain how to easily delete a firewall rule managed by UFW. UFW is a command line interface that simplifies the use of iptables rules.
Windows DNS Server: Error 404, 407, 408 with virtual machine on Hyper-V
In this tutorial, which is a special case, I will explain how to solve the 404, 407 and 408 error that can occur on a DNS server with Windows Server under the following …
Windows Server: configure an IP address on a network card
In this tutorial, I will explain how to configure an IP address on a network card on a Windows server. This operation is not complicated, but there are several solutions …