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coolvds.com › Blog › Security & Compliance

Zero Trust Architecture in 2021: Beyond the VPN for Nordic Enterprises

· CoolVDS Team

Perimeter security is obsolete. In the wake of Schrems II, moving to a Zero Trust model isn't just about security—it's about compliance. Here is the pragmatic roadmap for implementation on Linux infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs Monitoring: Why Green Dashboards Are Lying to You

· CoolVDS Team

Monitoring tells you the server is online. Observability tells you why the checkout endpoint has 300ms latency. We dissect the difference using the 'Three Pillars', configuring Prometheus v2.30, and explaining why low-latency infrastructure in Oslo is critical for real-time data ingestion.

coolvds.com › Blog › DevOps & Infrastructure

Surviving the Split: Battle-Tested Microservices Patterns for 2021

· CoolVDS Team

Monoliths are safe; microservices are a distributed headache waiting to happen. Learn the architecture patterns—from Circuit Breakers to Sagas—that keep your cluster alive, and why infrastructure latency in Norway is your biggest hidden bottleneck.

coolvds.com › Blog › Database Management

Database Sharding Strategies: The Nuclear Option for Scaling (And How to Survive It)

· CoolVDS Team

Sharding is complex, expensive, and dangerous. It is also the only path left when vertical scaling fails. This guide covers architectural patterns, 2021-era best practices for PostgreSQL and MySQL, and why low-latency infrastructure is non-negotiable for distributed data.

coolvds.com › Blog › DevOps & Infrastructure

Stop the Bleeding: A Pragmatic Guide to Cloud Cost Optimization in 2021

· CoolVDS Team

Cloud bills are skyrocketing. This guide cuts through the marketing fluff to show you how to audit resource usage, optimize bandwidth costs, and leverage predictable NVMe infrastructure to reduce TCO by up to 40%.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs. Monitoring: Why Your "Green" Dashboard Is Lying To You

· CoolVDS Team

Monitoring tells you the server is up. Observability tells you why the checkout API times out only for users in Bergen. We dissect the three pillars—metrics, logs, traces—and how to host them compliantly in Norway.

coolvds.com › Blog › DevOps & Infrastructure

Slash Your CI/CD Build Times: Self-Hosted Runners & NVMe I/O

· CoolVDS Team

Stop tolerating 20-minute pipelines. A battle-hardened guide to optimizing GitLab CI runners on high-performance infrastructure, ensuring GDPR compliance and raw speed in the Nordic region.