Systems Administration and Infrastructure

This post outlines practical, repeatable patch management processes tailored for UK IT teams. It covers safe maintenance windows, testing rings, and rollback playbooks to minimize outages.

Step-by-step, practical guidance for configuring servers to meet Cyber Essentials in UK SMEs. Learn verification checks and how to capture audit-ready evidence.

Hands-on starter lab mapping Terraform and Ansible patterns to common UK SME scenarios. Learn to structure IaC for repeatable builds and simple change-control workflows.

A concise, decision-focused comparison of Server+, Linux+, AZ-104, and RHCSA to help UK beginners choose their first job-ready cert. Includes labs and study-format guidance.

A practical, template-led guide to building a tested disaster recovery runbook for hybrid on-prem and cloud environments in the UK. Includes UK-centric communication trees and tabletop test scripts.

A practical, side-by-side comparison of VMware vSphere subscriptions and Proxmox VE for UK SMEs. Includes licensing, cost, skills, support, and phased migration plans.

Explore a scenario-driven framework to choose between Entra ID cloud-only, hybrid join, and on-prem-first for UK organisations. Learn migration checkpoints and factors like device mix, compliance, and admin overhead.

UK IT leaders can map upgrade paths from older Windows Server versions to Windows Server 2025. Learn prerequisites and a practical 90-day rollout plan.