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25 articles
Level: All Beginner Intermediate Advanced
AI

LiteLLM, RAGFlow, Kestra: Your AI Gateway Is a Control-Plane Target

AI gateway security after Microsoft's August findings: find exposed LiteLLM, RAGFlow and Kestra hosts in Azure, isolate them, rotate keys, detect abuse.

Thorsteinn Halldorsson · September 15, 2026 · 17 min read Intermediate
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Azure

Retirement Debt Comes Due: Azure VPN Client for Linux, AVD Classic, Graph Toolkit and Project Online

Four Microsoft services retire in August-September 2026. Find which affects your infrastructure, how to detect them, and your migration timeline.

Thorsteinn Halldorsson · September 12, 2026 · 10 min read Intermediate
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AI

Securing Azure OpenAI for the Enterprise: Private Endpoints, Entra ID Auth, and Content Filtering

Azure OpenAI private endpoint security done right: lock down deployments with Private Link, Entra ID auth, and content filtering before production.

Thorsteinn Halldorsson · August 15, 2026 · 14 min read Intermediate
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DevOps

Azure DevOps vs GitHub in 2026: Which Platform Should Your Team Standardize On?

Azure DevOps vs GitHub compared for 2026: pipelines, security, pricing, and AI tooling mapped to real team profiles so you can standardize with confidence.

Thorsteinn Halldorsson · August 15, 2026 · 12 min read Intermediate
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Kubernetes

AKS Observability with Managed Prometheus and Grafana: Metrics, Alerts, and Dashboards

AKS monitoring with Prometheus and Grafana made practical: enable managed scraping, build alert rules, and deploy production dashboards in under an hour.

Thorsteinn Halldorsson · August 15, 2026 · 12 min read Intermediate
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Azure

Azure Front Door vs Application Gateway vs Traffic Manager: Choosing Your Load Balancing Layer

Azure Front Door vs Application Gateway vs Traffic Manager: cut through the overlap and pick the right load balancer with this decision framework.

Thorsteinn Halldorsson · August 15, 2026 · 11 min read Intermediate
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Kubernetes

Kubernetes Pod Disruption Budgets: Preventing Downtime During Node Drains and Upgrades

How Pod Disruption Budgets really work: minAvailable vs maxUnavailable, percentage rounding, blocked AKS drains, eviction API behaviour, and monitoring.

Thorsteinn Halldorsson · August 10, 2026 · 17 min read Intermediate
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DevOps

GitOps with Flux vs Argo CD for AKS: A Practical Deployment Comparison

Flux vs Argo CD on AKS compared: architecture, the Helm rendering gotcha, secrets, RBAC, drift and self-heal, plus working YAML for both tools.

Thorsteinn Halldorsson · August 10, 2026 · 25 min read Intermediate
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Kubernetes

Azure Kubernetes Service Cost Optimization: Right-Sizing Node Pools and Autoscaling Policies

AKS cost optimization that holds: right-size node pools from real usage, tune the cluster autoscaler, split system and user pools, and use spot safely.

Thorsteinn Halldorsson · August 10, 2026 · 23 min read Intermediate
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Azure

Reserved Instances vs Savings Plans vs Spot VMs: An Azure Cost Optimization Comparison

Azure reserved instances vs savings plans vs spot VMs compared: discount ranges, flexibility, exchange rules, eviction risk, and a decision framework.

Thorsteinn Halldorsson · August 7, 2026 · 21 min read Intermediate
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