Azure Routing – UDR, Route Tables, and BGP Ever wonder how traffic knows where to go inside your VNet? That magic is thanks to Routing – and in Azure, it’s handled by: System Routes User Defined Routes (UDR) Border Gateway Protocol (BGP) System Routes (Default) Azure automatically adds system routes to all subnets. …

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Azure Hub-Spoke Architecture Once you understand VNets and Subnets, the next step is designing how they connect. One of the most popular architectures in Azure is called the Hub-Spoke Model. What is the Hub-Spoke Model? Think of the Hub as the central point where all shared services live — like a corporate office. Each …

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Azure Virtual Network Basics – Public vs Private If you’re getting started with Azure Networking, the first concept you must master is the Virtual Network (aka VNet). This is the foundation of all networking in Azure. What is a VNet? A Virtual Network (VNet) in Azure is like your private data center network in the …

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If you’ve seen this before, don’t panic. This guide walks you through: What a 502 error means in Azure How to identify the root cause How to fix it with simple step-by-step actions Step-by-Step Troubleshooting Step 1: Reproduce the Problem Go to the App Gateway public IP or custom domain (e.g., …

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What Happened? Hey folks, Let me share a real incident we faced in production on Azure Kubernetes Service (AKS). Our workloads were behaving oddly — pods getting evicted, app downtime alerts, and our monitoring tools screaming DiskPressure on some nodes. We didn’t make any infra changes recently, so the obvious …

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Azure Bicep is a domain-specific language (DSL) that simplifies ARM templates. If you’re used to Terraform or ARM JSON, Bicep offers a cleaner, more concise syntax — tailor-made for Azure. Why Bicep? Native to Azure Simplified syntax No state files (unlike Terraform) Excellent tooling in VS Code Install Bicep CLI az …

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In one of my recent automation projects, I came across a real-time scenario: An Azure Alert once condition met (example:VM’s C:\ drive crosses 80% usage), and boom — the alert triggers, gets routed to Moogsoft, and creates an incident in ServiceNow. But before it even hits the L1 queue, I wanted to give automation a …

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What is a Private Endpoint? A Private Endpoint in Azure allows you to connect to Azure services (like Storage, SQL, CosmosDB, etc.) over a private IP inside your Azure Virtual Network (VNet), instead of using the public internet. Think of it as a private IP address for an Azure service. This ensures: No traffic goes …

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Welcome to kasdevTech — Your Cloud Learning Hub In today’s world, cloud computing is no longer optional — it is essential for businesses, developers, and architects. But many beginners feel lost: 👉 Where do I start? 👉 Which services should I learn first? 👉 How can I gain practical experience? In this post, I will share …

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Resizing an Azure Virtual Machine (VM) allows you to adjust the size (CPU, Memory, Disk) of the VM as your application needs change — for cost optimization, performance scaling, or seasonal traffic. In this guide, we’ll walk through how to resize an Azure VM in 2025 using both the Azure Portal and CLI. Why Resize VMs? …

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