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Karim Buzdar
Karim Buzdar
IT Engineer and Technical Author. Karim is a specialist in Linux and open-source ecosystems. A prolific technical blogger, he provides expert guidance on system administration, shell scripting, and server optimization. Karim delivers high-authority content for various industry websites, focusing on enterprise Linux deployments and IT infrastructure management.
Karim Buzdar
  • Karim Buzdar
  • July 21, 2026

How to Upgrade Debian 12 to Debian 13 (Trixie) with Minimal Downtime

Debian 13 (Trixie) is now stable, and Debian 12 is in LTS-only support. Our new guide covers a production-focused upgrade path to Debian 13, including backups, rolling deployments, and common pitfalls to minimize service disruption.
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Karim Buzdar
  • Karim Buzdar
  • June 23, 2026

How to Manage KVM VMs with virsh: A Linux Admin’s Practical Guide

Managing KVM from the CLI? virsh remains one of the fastest ways to control libvirt domains, automate VM operations, and perform live migrations without relying on GUI tools. Our new guide walks you through essential KVM administration workflows.
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Karim Buzdar
  • Karim Buzdar
  • May 26, 2026

How to Configure Static IP with Netplan on Ubuntu

Still configuring Ubuntu networking the old way? Learn from our latest guide how to configure static IPs using Netplan on modern Ubuntu servers with clean YAML configs, validation tips, multi-interface setups, and troubleshooting examples.
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Karim Buzdar
  • Karim Buzdar
  • April 28, 2026

How to Monitor Server Health on Ubuntu 24.04 Using Netdata or Prometheus

If you’re running Ubuntu 24.04, monitoring should be part of your setup. Netdata for instant visibility, Prometheus for deeper metrics – our new tutorial explains how to get both running.
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Karim Buzdar
  • Karim Buzdar
  • February 10, 2026

How to Extend a Hyper-V VHDX Disk Size Without Downtime

Running out of disk space on a Hyper-V VM? Our new step-by-step guide shows how to expand a VHDX disk while the VM is online and extend the volume inside Windows – no maintenance window required.
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Karim Buzdar
  • Karim Buzdar
  • January 13, 2026

How to Create and Manage Checkpoints in Microsoft Hyper-V (GUI & PowerShell)

Hyper-V checkpoints can save you hours of rework when updates or tests go sideways. Our new step-by-step guide shows how to create, restore, export, and automate checkpoints using both the GUI and PowerShell.
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Karim Buzdar
  • Karim Buzdar
  • January 6, 2026

How to Enable Nested Virtualization in Microsoft Hyper-V?

Build full multi-tier lab environments without extra hardware. Learn how to enable nested virtualization in Microsoft Hyper-V in our latest step-by-step guide.
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Karim Buzdar
  • Karim Buzdar
  • December 9, 2025

Creating and Managing Virtual Switches in Microsoft Hyper-V

Working with virtual switches in Hyper-V? Our latest guide covers configuring the private, internal, and external vSwitches via Hyper-V Manager and PowerShell step by step.
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Karim Buzdar
  • Karim Buzdar
  • November 20, 2025

How to Create and Optimize a Windows 11 Virtual Machine Using Hyper-V?

Hyper-V remains one of the most efficient ways to run Windows 11 in an isolated environment. Follow our new step-by-step guide to enable Hyper-V, create your VM, and optimize it for best performance.
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