Search articles Alt /

Archive

2026  17

October  1

Zero-Key Architecture on Azure: I Disabled Every Key

October 5, 2026 · 12 min · Vassilis Dionisopoulos

July  3

I Asked the Domain Controller for a Ticket. It Handed Me a Service Account Password.

July 15, 2026 · 10 min · Vassilis Dionisopoulos

I Watched One Stolen Hash Walk Into a Second Machine. Then LAPS Shut the Door.

July 13, 2026 · 13 min · Vassilis Dionisopoulos

Fail-Closed VPN Gateway on Linux: A Design Deep Dive

July 7, 2026 · 10 min · Vassilis Dionisopoulos

June  2

Azure Budgets Don’t Stop Anything — The Enforcement Gap and How to Close It

June 16, 2026 · 9 min · Vassilis Dionisopoulos

Azure Cache for Redis Retirement: The Real Cost of Migrating to Azure Managed Redis

June 7, 2026 · 12 min · Vassilis Dionisopoulos

May  4

Azure Private DNS Zones at Scale for Private Endpoint Architectures

May 26, 2026 · 17 min · Vassilis Dionisopoulos

Azure Hub-and-Spoke Network Topology: A Practical Guide

May 19, 2026 · 16 min · Vassilis Dionisopoulos

Azure Landing Zone Networking: Self-Managed Hub-and-Spoke vs Azure Virtual WAN

May 17, 2026 · 14 min · Vassilis Dionisopoulos

The Five Azure Landing Zone Decisions That Actually Matter

May 15, 2026 · 18 min · Vassilis Dionisopoulos

March  7

Best Linux Distributions in 2026

March 23, 2026 · 16 min · Vassilis Dionisopoulos

Managing Multiple Azure Tenants for Enterprise Cloud Environments

March 17, 2026 · 6 min · Vassilis Dionisopoulos

Microsoft Agent 365 Review

March 17, 2026 · 4 min · Vassilis Dionisopoulos

Microsoft Entra ID Free vs Premium for Cloud Teams

March 17, 2026 · 9 min · Vassilis Dionisopoulos

Microsoft Entra Identity Management for Cloud Architecture

March 17, 2026 · 5 min · Vassilis Dionisopoulos

Google Cloud Network Architecture

March 16, 2026 · 7 min · Vassilis Dionisopoulos

Microsoft Ignite 2025

March 16, 2026 · 8 min · Vassilis Dionisopoulos

2025  4

November  1

Active Directory: A Guide to Key Logical Components

November 14, 2025 · 9 min · Vassilis Dionisopoulos

January  3

Add Local User with PowerShell

January 2, 2025 · 3 min · Vassilis Dionisopoulos

Download Windows Server 2025

January 2, 2025 · 2 min · Vassilis Dionisopoulos

How to install Windows Server 2025

January 2, 2025 · 2 min · Vassilis Dionisopoulos

2024  13

December  1

Introduction to Artificial Intelligence and Machine Learning

December 4, 2024 · 7 min · Vassilis Dionisopoulos

September  4

What is the history of Linux?

September 17, 2024 · 9 min · Vassilis Dionisopoulos

What is Linux?

September 14, 2024 · 6 min · Vassilis Dionisopoulos

What is an Operating System?

September 13, 2024 · 6 min · Vassilis Dionisopoulos

Print Server How It Works and Benefits

September 12, 2024 · 7 min · Vassilis Dionisopoulos

May  1

Unleashing the Power of Cyber-Physical Systems

May 21, 2024 · 4 min · Vassilis Dionisopoulos

February  7

Sustainability Transformation in IT

February 28, 2024 · 5 min · Vassilis Dionisopoulos

Azure AD Groups

February 17, 2024 · 3 min · Vassilis Dionisopoulos

Digital Transformation Principles for Enterprise Excellence

February 13, 2024 · 4 min · Vassilis Dionisopoulos

Setting Up Azure AD Tenant

February 13, 2024 · 3 min · Vassilis Dionisopoulos

The Third Industrial Revolution: Impact and Insights

February 12, 2024 · 4 min · Vassilis Dionisopoulos

Exploring the Second Industrial Revolution

February 11, 2024 · 4 min · Vassilis Dionisopoulos

The Dawn of Industrialization: The First Industrial Revolution

February 11, 2024 · 4 min · Vassilis Dionisopoulos

2023  3

October  1

Azure Bicep for Infrastructure as Code

October 21, 2023 · 9 min · Vassilis Dionisopoulos

June  1

Windows Server 2022 Editions

June 3, 2023 · 3 min · Vassilis Dionisopoulos

May  1

Windows Server 2022 Installation Guide

May 31, 2023 · 5 min · Vassilis Dionisopoulos