A Raspberry Pi makes an excellent low-cost, low-power network monitor that runs 24/7 without significantly affecting your electricity bill. Using free tools like Pi-hole, Nagios, Zabbix or ntopng, you can monitor network traffic, detect devices, track bandwidth usage and get alerts when services go down. This guide covers how to set up a Raspberry Pi ... Read more

How to Set Up a Raspberry Pi as a Network Monitor (2026) Andrew Armstrong

WSUS (Windows Server Update Services) allows IT administrators to manage and approve Windows updates centrally, controlling exactly which updates are deployed to which machines and when. This guide covers how to install and configure WSUS on Windows Server 2019 and 2022 in 2026. Prerequisites Step 1 — Install the WSUS Role Step 2 — Run ... Read more

How to Configure WSUS on Windows Server (2026) Andrew Armstrong

Using the same password across multiple sites is one of the biggest security risks you can take online. A password manager generates, stores and auto-fills strong unique passwords for every site — and the best ones are completely free. Here are the best free password managers in 2026, tested and ranked. 1. Bitwarden — Best ... Read more

Best Free Password Managers in 2026 — Reviewed and Ranked Andrew Armstrong

Stale computer accounts accumulate in every Active Directory environment over time — decommissioned PCs, laptops that have left the business and VMs that no longer exist. Cleaning them up improves security, reduces noise in reports and keeps your AD organised. This guide covers how to find and remove stale computer accounts using PowerShell in 2026. ... Read more

Active Directory Cleanup — Find and Remove Stale Computer Accounts (2026) Andrew Armstrong

Many older applications and Windows features require .NET Framework 3.5, which is not installed by default on Windows 10, Windows 11 and Windows Server. This guide covers how to install and enable .NET Framework 3.5 and 4 using PowerShell, DISM and SCCM in 2026. Check Which .NET Versions Are Installed Install .NET 3.5 Online (Internet ... Read more

How to Enable .NET Framework 3.5 and 4 Using PowerShell and DISM (2026) Andrew Armstrong

When SCCM deploys software updates or applications that require a reboot, it can force a restart at inconvenient times. This guide covers how to delay, cancel or suppress the SCCM client reboot using PowerShell in 2026. Check if a Reboot is Pending Cancel a Pending SCCM Reboot Clear Reboot on Multiple Machines Remotely Suppress Reboots ... Read more

How to Delay or Cancel the SCCM Client Reboot (2026) Andrew Armstrong

Windows Delivery Optimization allows Windows to share update downloads between PCs on your local network and in some cases over the internet. In enterprise environments this can cause unexpected WAN traffic and compliance concerns. This guide covers how to disable Windows Update sharing via Group Policy, registry and PowerShell in 2026. What is Windows Delivery ... Read more

Group Policy to Disable Windows Update Sharing (Delivery Optimization) Andrew Armstrong

VMware Remote Console (VMRC) is the standalone application that allows you to connect to virtual machine consoles from outside the vSphere Web Client. Deploying VMRC silently via SCCM, Intune or Group Policy saves time in enterprise environments where multiple IT staff need console access to VMs. This guide covers the silent installation command line switches ... Read more

VMware Remote Console (VMRC) Silent Installation Guide (2026) Andrew Armstrong

Exporting an Outlook folder to a PST file is useful for archiving old emails, backing up important folders, migrating between Outlook profiles or sharing a mailbox folder with someone else. This guide covers how to export to PST in Outlook 2016, 2019, 2021 and Microsoft 365 in 2026. What is a PST File? A PST ... Read more

How to Export an Outlook Folder to a PST File (2026) Andrew Armstrong

Losing access to the root account on a VMware vCenter Server Appliance (VCSA) is a critical situation that will prevent you from managing your entire vSphere environment. Whether the password has been forgotten, expired or the account has locked out, this guide covers how to reset the root password on VCSA 7.0 and VCSA 8.0 ... Read more

How to Reset the Root Password of a VCSA Appliance (2026) Andrew Armstrong