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coolvds.com › Blog › DevOps & Infrastructure

Cloud Cost Optimization: Escaping the Hyperscaler Tax in 2021

· CoolVDS Team

Is your AWS bill growing faster than your user base? We analyze the hidden costs of cloud infrastructure, from egress fees to IOPS limits, and detail how moving workloads to Norwegian KVM instances can slash TCO while solving Schrems II compliance headaches.

coolvds.com › Blog › DevOps & Infrastructure

Silence the Noise: A Pragmatic Guide to Infrastructure Monitoring at Scale

· CoolVDS Team

Stop relying on passive ping checks. This guide details how to architect a robust Prometheus and Grafana stack for high-traffic environments, handling NVMe I/O bottlenecks and ensuring GDPR compliance in the post-Schrems II era.

coolvds.com › Blog › Security & Compliance

The Perimeter is Dead: Implementing Zero-Trust Infrastructure in a Post-Schrems II World

· CoolVDS Team

The 'Castle and Moat' security model failed spectacularly in 2020. With the recent SolarWinds fallout and strict GDPR enforcement in Norway, relying on a simple VPN is negligence. Here is how to architect true Zero-Trust using WireGuard, mTLS, and compliant Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking Deep Dive: Surviving the Overlay Network Tax

· CoolVDS Team

Kubernetes networking is often treated as a black box until production latency spikes. We analyze CNI choices, IPVS vs iptables, and why underlying hardware stability is critical for overlay networks in the post-Schrems II era.

coolvds.com › Blog › DevOps & Infrastructure

Beyond Green Dashboards: Why Monitoring Fails and Observability Saves Your Stack

· CoolVDS Team

It is late 2020. Stop relying on simple ping checks and CPU graphs. We break down the architectural shift from Monitoring to Observability, how to handle high-cardinality data without crashing your budget, and why Schrems II makes self-hosting your metrics in Norway a legal necessity.