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Replacing a Failed Disk in a ZFS rpool Mirror (RAID1) on Proxmox VE

A step-by-step guide to safely replacing a failed disk in a mirrored (RAID1) ZFS rpool that hosts the Proxmox VE installation itself, including bootloader recovery.

How to Log Off a Network Resource in Windows Using CMD

Windows can stubbornly hold on to active connections to network shares, mapped drives, and file servers. When you need to quickly disconnect a resource, clear a session, or remove cached...

Resetting a Forgotten Ubuntu Linux Password on WSL

Forgot your Ubuntu account password in WSL? No need to reinstall the distribution — just run a few quick commands in Windows PowerShell. —

How to Set Up a DHCP Server with VLAN Support on Ubuntu 22.04 / 24.04

This tutorial will walk you through setting up an ISC DHCP server on Ubuntu 22.04 or 24.04 with support for multiple subnets and VLAN interfaces. You will learn how to:...

Monitoring Multi-Host Docker Setups with WUD via TCP and TLS

Managing multiple Docker hosts can become tricky, especially when trying to track which containers are outdated. What’s Up Docker (WUD) solves this by checking for image updates.

New Network Card Failure During Server Upgrade

🔥 Unfortunately, the new network card decided to commit seppuku the moment I turned on the server.. 🔥