Raza Ahmad is a technology author and IT infrastructure specialist based in Melbourne, Australia. He writes practitioner-grade guides on cloud computing (Azure and AWS), cybersecurity, enterprise networking with Cisco platforms, Linux administration, DevOps, and virtualization. His work focuses on translating complex infrastructure topics into clear, accurate guidance that engineers, system administrators, and IT decision makers can put to work in production environments. Every article published under his byline is fact-checked against current vendor documentation, official standards, and Raza's own hands-on experience operating the technologies he covers.
How to design, deploy, and operate an enterprise-scale Azure landing zone that survives growth, M&A, and a changing regulatory environment.
Cutting through the marketing to show what zero trust actually means for identity, devices, networks, and applications.
A practitioner's checklist for taking a Kubernetes cluster from “it works on my laptop” to “I am happy to be on call for this.”
Where each cloud is genuinely ahead, where they are at parity, and how to choose for a specific workload rather than as a religion.
What you actually need to know about tokens, embeddings, RAG, and evaluation to ship LLM features that hold up in production.
The diagnostic patterns experienced network engineers use when BGP misbehaves between data centers, clouds, and the internet edge.
Hands-on review of the leading enterprise password managers, with the trade-offs that matter for security and operations teams.
The 20 controls that move a freshly-provisioned Linux server from “default” to “appropriate for production” without breaking operations.
How to choose between Cisco's associate and professional certifications based on where you are in your career and what you want to do next.
A reference configuration for Microsoft 365 security that closes the most common gaps without breaking productivity.
A working engineer's comparison of the two leading IaC platforms based on real deployments at scale.
A practitioner's tour of the AWS services that actually run modern workloads, plus the architecture patterns, governance, and cost controls that keep them healthy in production.
A working systems administrator's reference for installing, hardening, monitoring, and troubleshooting Linux servers in real production environments.
A practical, framework-aligned cybersecurity reference for IT teams responsible for real systems, real users, and real regulatory obligations.
A structured reference for network engineers working with Cisco IOS, IOS-XE, and NX-OS — covering switching, routing, security, and modern automation.
A pragmatic DevOps reference covering CI/CD, infrastructure as code, observability, and the cultural practices that separate high-performing teams from struggling ones.
A working engineer's reference to running Kubernetes in production — architecture, security, networking, storage, observability, and the operational practices that prevent 2 AM pages.
An administrator's reference for Microsoft 365 — identity, Exchange Online, Teams, SharePoint, Intune, and the security baselines that make the stack defensible.
How IT teams should think about artificial intelligence — practical use cases, security and governance considerations, and the platforms that matter.
The methodology behind every software review on SoftwareMarketplace.Net — how we test, what we measure, and how to use our comparisons to make better procurement decisions.
Where the headline pricing comparisons get it wrong, and the cost dimensions that actually determine your bill.
An IT administrator's guide to the differences between on-premises Active Directory and Microsoft Entra ID — and what the cloud-only future actually looks like.
The realistic options for organizations evaluating alternatives to VMware vSphere — Proxmox, Nutanix, OpenShift Virtualization, Azure Stack HCI, and the trade-offs of each.
Configure VLANs, 802.1Q trunks, and inter-VLAN routing on Cisco IOS-XE switches with verified commands and the troubleshooting steps that catch the common mistakes.
A complete, production-oriented walkthrough of standing up Prometheus, Grafana, and node_exporter across a fleet of Linux servers — with dashboards, alerting, and high availability.
A clear-eyed comparison of Docker and Podman covering daemon architecture, rootless containers, Kubernetes alignment, and the production trade-offs of each.
A vendor-neutral comparison of the major Endpoint Detection and Response platforms — capabilities, total cost, integration, and which fits which kind of organization.
A working study plan for the Cisco CCNA exam, written by someone who has passed it — recommended resources, study order, hands-on practice, and the topics that genuinely matter.
A working study plan for Microsoft's AZ-104 Azure Administrator certification — what to study, in what order, with what resources, and which topics genuinely matter in the exam.
Both. Here's the structured case for why every modern system administrator should be comfortable in both shells — and which to learn first depending on your environment.