<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>CloudTales</title><link>https://cloudtales.gr/</link><description>Recent content on CloudTales</description><generator>Hugo</generator><language>en-US</language><lastBuildDate>Mon, 05 Oct 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://cloudtales.gr/index.xml" rel="self" type="application/rss+xml"/><item><title>Zero-Key Architecture on Azure: I Disabled Every Key</title><link>https://cloudtales.gr/zero-key-architecture-azure/</link><pubDate>Mon, 05 Oct 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/zero-key-architecture-azure/</guid><description>A zero-key architecture on Azure: Speech, Storage, Functions and Application Insights with every key disabled, Entra ID only.</description></item><item><title>I Asked the Domain Controller for a Ticket. It Handed Me a Service Account Password.</title><link>https://cloudtales.gr/kerberoasting-service-accounts-gmsa/</link><pubDate>Wed, 15 Jul 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/kerberoasting-service-accounts-gmsa/</guid><description>A low-privileged user Kerberoasting a weak service account, cracked offline in seconds. Then a gMSA with AES-only encryption makes the same attack fail.</description></item><item><title>I Watched One Stolen Hash Walk Into a Second Machine. Then LAPS Shut the Door.</title><link>https://cloudtales.gr/pass-the-hash-lateral-movement-laps/</link><pubDate>Mon, 13 Jul 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/pass-the-hash-lateral-movement-laps/</guid><description>I built a lab, ran a pass-the-hash attack across two machines, and watched Windows LAPS shut it down. The story, the failures, and the fix.</description></item><item><title>Fail-Closed VPN Gateway on Linux: A Design Deep Dive</title><link>https://cloudtales.gr/fail-closed-vpn-gateway-linux/</link><pubDate>Tue, 07 Jul 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/fail-closed-vpn-gateway-linux/</guid><description>How to build a fail-closed VPN gateway on Linux with policy routing, DNS enforcement, and transactional updates. Full design write-up.</description></item><item><title>Azure Budgets Don't Stop Anything — The Enforcement Gap and How to Close It</title><link>https://cloudtales.gr/azure-budgets-enforcement-gap/</link><pubDate>Tue, 16 Jun 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/azure-budgets-enforcement-gap/</guid><description>Azure budgets are alerts, not cost controls. Here&amp;#39;s the enforcement gap, why forecasted alerts matter, and how to actually stop spend.</description></item><item><title>Azure Cache for Redis Retirement: The Real Cost of Migrating to Azure Managed Redis</title><link>https://cloudtales.gr/azure-cache-for-redis-retirement-managed-redis-migration/</link><pubDate>Sun, 07 Jun 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/azure-cache-for-redis-retirement-managed-redis-migration/</guid><description>The Azure Cache for Redis retirement is set. Get the dates per tier, the traps lift-and-shift hides, and how to migrate to Azure Managed Redis.</description></item><item><title>Azure Private DNS Zones at Scale for Private Endpoint Architectures</title><link>https://cloudtales.gr/azure-private-dns-zones-private-endpoints-at-scale/</link><pubDate>Tue, 26 May 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/azure-private-dns-zones-private-endpoints-at-scale/</guid><description>Azure Private DNS Zones drive every Private Endpoint at scale. Centralization, resolver topology, hybrid DNS, sharding, and the failure modes</description></item><item><title>Αbout CloudTales</title><link>https://cloudtales.gr/%CE%B1bout-cloudtales/</link><pubDate>Wed, 20 May 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/%CE%B1bout-cloudtales/</guid><description>About CloudTales — practical Azure architecture blog by Vassilis Dionisopoulos, a Cloud Architect focused on landing zones and security.</description></item><item><title>Azure Hub-and-Spoke Network Topology: A Practical Guide</title><link>https://cloudtales.gr/azure-hub-and-spoke-network-topology/</link><pubDate>Tue, 19 May 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/azure-hub-and-spoke-network-topology/</guid><description>A practical guide to the Azure hub-and-spoke network topology — core components, traffic flow, VNet peering, hub-and-spoke vs Virtual WAN.</description></item><item><title>Azure Landing Zone Networking: Self-Managed Hub-and-Spoke vs Azure Virtual WAN</title><link>https://cloudtales.gr/azure-landing-zone-networking-virtual-wan/</link><pubDate>Sun, 17 May 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/azure-landing-zone-networking-virtual-wan/</guid><description>Azure Landing Zone Networking is not just hub-and-spoke by default. Compare self-managed hubs, Azure Virtual WAN, and migration trade-offs.</description></item><item><title>The Five Azure Landing Zone Decisions That Actually Matter</title><link>https://cloudtales.gr/azure-landing-zone-decisions-that-matter/</link><pubDate>Fri, 15 May 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/azure-landing-zone-decisions-that-matter/</guid><description>Five Azure landing zone decisions every senior architect makes — and the design areas you can safely defer until evidence demands them.</description></item><item><title>Best Linux Distributions in 2026</title><link>https://cloudtales.gr/best-linux-distributions/</link><pubDate>Mon, 23 Mar 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/best-linux-distributions/</guid><description>Best Linux distributions explained for beginners, developers, and IT professionals. Compare Ubuntu, Fedora, Debian, RHEL, Rocky Linux.</description></item><item><title>Managing Multiple Azure Tenants for Enterprise Cloud Environments</title><link>https://cloudtales.gr/managing-multiple-azure-tenants/</link><pubDate>Tue, 17 Mar 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/managing-multiple-azure-tenants/</guid><description>Managing multiple Azure tenants is a common challenge when Azure environments scale across enterprises, partners, and SaaS platforms.</description></item><item><title>Microsoft Agent 365 Review</title><link>https://cloudtales.gr/microsoft-agent-365-review/</link><pubDate>Tue, 17 Mar 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/microsoft-agent-365-review/</guid><description>Agent 365 is Microsoft’s new control system for managing AI agents across Microsoft 365, Azure, Dynamics 365.</description></item><item><title>Microsoft Entra ID Free vs Premium for Cloud Teams</title><link>https://cloudtales.gr/microsoft-entra-id-free-vs-premium/</link><pubDate>Tue, 17 Mar 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/microsoft-entra-id-free-vs-premium/</guid><description>Microsoft Entra ID Free vs Premium sits at the center of modern identity and access management. It supports Microsoft cloud workloads</description></item><item><title>Microsoft Entra Identity Management for Cloud Architecture</title><link>https://cloudtales.gr/microsoft-entra-identity-management/</link><pubDate>Tue, 17 Mar 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/microsoft-entra-identity-management/</guid><description>Microsoft Entra identity management forms the foundation of modern cloud security. In today’s cloud-first and hybrid environments</description></item><item><title>Google Cloud Network Architecture</title><link>https://cloudtales.gr/google-cloud-network-architecture/</link><pubDate>Mon, 16 Mar 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/google-cloud-network-architecture/</guid><description>Google Cloud network architecture forms the foundation of every secure, scalable, and high-performance cloud environment.</description></item><item><title>Microsoft Ignite 2025</title><link>https://cloudtales.gr/microsoft-ignite-2025/</link><pubDate>Mon, 16 Mar 2026 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/microsoft-ignite-2025/</guid><description>Microsoft Ignite 2025 marks a pivotal milestone in Microsoft’s long-term cloud strategy. What began as a shift from traditional chatbots</description></item><item><title>Active Directory: A Guide to Key Logical Components</title><link>https://cloudtales.gr/active-directory-a-guide-to-key-logical-components/</link><pubDate>Fri, 14 Nov 2025 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/active-directory-a-guide-to-key-logical-components/</guid><description>Active Directory Domain Services is one of the most important technologies in modern enterprise infrastructures.</description></item><item><title>Add Local User with PowerShell</title><link>https://cloudtales.gr/add-local-user-with-powershell/</link><pubDate>Thu, 02 Jan 2025 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/add-local-user-with-powershell/</guid><description>This tutorial demonstrates how to add a local user to Windows Server 2025 using PowerShell. This method is effective when managing users.</description></item><item><title>Download Windows Server 2025</title><link>https://cloudtales.gr/download-windows-server-2025/</link><pubDate>Thu, 02 Jan 2025 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/download-windows-server-2025/</guid><description>Download Windows Server 2025 which serves as the foundation for creating an infrastructure for small workgroups or large data centers.</description></item><item><title>How to install Windows Server 2025</title><link>https://cloudtales.gr/how-to-install-windows-server-2025/</link><pubDate>Thu, 02 Jan 2025 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/how-to-install-windows-server-2025/</guid><description>This guide will walk you through the How to install Windows Server 2025, using images to illustrate each step.</description></item><item><title>Introduction to Artificial Intelligence and Machine Learning</title><link>https://cloudtales.gr/introduction-to-artificial-intelligence-and-machine-learning/</link><pubDate>Wed, 04 Dec 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/introduction-to-artificial-intelligence-and-machine-learning/</guid><description>Artificial Intelligence and Machine Learning explained: how the field evolved, how ML actually works, and where it breaks.</description></item><item><title>What is the history of Linux?</title><link>https://cloudtales.gr/what-is-the-history-of-linux/</link><pubDate>Tue, 17 Sep 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/what-is-the-history-of-linux/</guid><description>Discover the history of Linux, from its UNIX origins to its global dominance in servers, supercomputers, and mobile devices.</description></item><item><title>What is Linux?</title><link>https://cloudtales.gr/what-is-linux/</link><pubDate>Sat, 14 Sep 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/what-is-linux/</guid><description>What is Linux? Discover the advantages of Linux in servers, cloud computing, and its open-source flexibility and security.</description></item><item><title>What is an Operating System?</title><link>https://cloudtales.gr/what-is-an-operating-system/</link><pubDate>Fri, 13 Sep 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/what-is-an-operating-system/</guid><description>Discover what an operating system is in managing hardware and software and enabling seamless user-device interaction.</description></item><item><title>Print Server How It Works and Benefits</title><link>https://cloudtales.gr/print-server-how-it-works-and-benefits/</link><pubDate>Thu, 12 Sep 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/print-server-how-it-works-and-benefits/</guid><description>Learn how Print Server How It Works and Benefits to streamline network printing, enhance security, and reduce IT costs for businesses.</description></item><item><title>Unleashing the Power of Cyber-Physical Systems</title><link>https://cloudtales.gr/the-heartbeat-of-the-digital-age-unleashing-the-power-of-cyber-physical-systems/</link><pubDate>Tue, 21 May 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/the-heartbeat-of-the-digital-age-unleashing-the-power-of-cyber-physical-systems/</guid><description>Unleashing the power of cyber-physical systems to integrate the physical and digital worlds, driving innovation and security.</description></item><item><title>Sustainability Transformation in IT</title><link>https://cloudtales.gr/sustainability-in-it-a-transformation-guide-for-leaders/</link><pubDate>Wed, 28 Feb 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/sustainability-in-it-a-transformation-guide-for-leaders/</guid><description>Drive IT sustainability transformation with actionable steps for leaders aiming for a greener, equitable future in technology.</description></item><item><title>Azure AD Groups</title><link>https://cloudtales.gr/azure-ad-groups/</link><pubDate>Sat, 17 Feb 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/azure-ad-groups/</guid><description>Learn to manage Azure AD Groups for enhanced security and efficiency using both the Azure portal and PowerShell in this comprehensive guide.</description></item><item><title>Digital Transformation Principles for Enterprise Excellence</title><link>https://cloudtales.gr/digital-transformation-a-guide-to-excellence/</link><pubDate>Tue, 13 Feb 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/digital-transformation-a-guide-to-excellence/</guid><description>Guide to mastering Digital Transformation for business excellence. Unlock growth, innovation, and competitive edge. Start now!</description></item><item><title>Privacy Policy</title><link>https://cloudtales.gr/cloudtales-privacy-policy/</link><pubDate>Tue, 13 Feb 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/cloudtales-privacy-policy/</guid><description>This Privacy Policy describes the policies of CloudTales (&amp;#34;we,&amp;#34; &amp;#34;us,&amp;#34; or &amp;#34;our&amp;#34;) regarding the collection, use, and disclosure of your info</description></item><item><title>Setting Up Azure AD Tenant</title><link>https://cloudtales.gr/setting-up-azure-ad-tenant/</link><pubDate>Tue, 13 Feb 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/setting-up-azure-ad-tenant/</guid><description>Secure your digital realm with guide on Setting Up Azure AD Tenant. Streamline identity management for unparalleled safety. #AzureAD</description></item><item><title>The Third Industrial Revolution: Impact and Insights</title><link>https://cloudtales.gr/exploring-the-third-industrial-revolution-impact-and-insights/</link><pubDate>Mon, 12 Feb 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/exploring-the-third-industrial-revolution-impact-and-insights/</guid><description>Explore &amp;#39;The Third Industrial Revolution&amp;#39;: its journey from analog to digital, reshaping technology, and setting the future for innovations.</description></item><item><title>Exploring the Second Industrial Revolution</title><link>https://cloudtales.gr/exploring-the-second-industrial-revolution/</link><pubDate>Sun, 11 Feb 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/exploring-the-second-industrial-revolution/</guid><description>Explore the transformative era of the Second Industrial Revolution from 1850 to 1914, highlighting its profound impact on technology, economy</description></item><item><title>The Dawn of Industrialization: The First Industrial Revolution</title><link>https://cloudtales.gr/the-dawn-of-industrialization-the-first-industrial-revolution/</link><pubDate>Sun, 11 Feb 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/the-dawn-of-industrialization-the-first-industrial-revolution/</guid><description>Explore the transformative impact of the First Industrial Revolution, from Britain&amp;#39;s pioneering role to its global spread and the innovations that propelled society into industrialization.</description></item><item><title>About CloudTales</title><link>https://cloudtales.gr/about-cloudtales/</link><pubDate>Mon, 01 Jan 2024 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/about-cloudtales/</guid><description>CloudTales is a cloud architecture blog by Vassilis Dionisopoulos: Azure, Microsoft Entra, Windows Server and the decisions that matter in production. Every article is also narrated.</description></item><item><title>Azure Bicep for Infrastructure as Code</title><link>https://cloudtales.gr/exploring-azure-bicep-iac-microsofts-innovative-solution/</link><pubDate>Sat, 21 Oct 2023 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/exploring-azure-bicep-iac-microsofts-innovative-solution/</guid><description>Getting Familiar with Azure Bicep</description></item><item><title>Windows Server 2022 Editions</title><link>https://cloudtales.gr/windows-server-2022-editions-a-comprehensive-guide/</link><pubDate>Sat, 03 Jun 2023 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/windows-server-2022-editions-a-comprehensive-guide/</guid><description>Discover Windows Server 2022 Editions, their features, and benefits to make informed decisions for your organization&amp;#39;s server infrastructure.</description></item><item><title>Windows Server 2022 Installation Guide</title><link>https://cloudtales.gr/windows-server-2022-installation-guide/</link><pubDate>Wed, 31 May 2023 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/windows-server-2022-installation-guide/</guid><description>Learn how to set up a Windows Server 2022 with this comprehensive installation guide. Explore the step-by-step process, to configuring system settings.Set up a Windows Server 2022 virtual machine using Hyper-V Manager. Explore step-by-step installation, configuration, and optimization for server environments.</description></item><item><title>Contact</title><link>https://cloudtales.gr/contact/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/contact/</guid><description>Send Us Your Feedback</description></item><item><title>Search</title><link>https://cloudtales.gr/search/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://cloudtales.gr/search/</guid><description>Search all CloudTales articles</description></item></channel></rss>