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coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking in 2021: Surviving the Packet Jungle and Schrems II

· CoolVDS Team

A battle-hardened guide to navigating CNI choices, debugging DNS latency, and ensuring GDPR compliance post-Schrems II. We dissect Calico vs. Cilium, optimize NGINX Ingress, and explain why your underlying infrastructure dictates network performance.

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

Serverless Architecture on Bare Metal: Escaping the Vendor Trap in 2021

· CoolVDS Team

Public cloud serverless functions offer convenience at the cost of control and compliance. Learn how to deploy a high-performance, GDPR-compliant FaaS platform on Norwegian infrastructure using OpenFaaS and Kubernetes.

coolvds.com › Blog › DevOps & Infrastructure

Crushing Latency: Advanced API Gateway Tuning for High-Throughput Systems

· CoolVDS Team

Default configurations are the silent killers of API performance. We dive deep into kernel-level tuning, NGINX optimizations, and the hardware realities required to handle thousands of requests per second in a post-Schrems II landscape.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes vs. Docker Swarm: The 2021 Infrastructure Reality Check

· CoolVDS Team

With Kubernetes 1.20 deprecating Docker support, the orchestration wars are heating up again. We dissect the trade-offs between K8s complexity and Swarm simplicity, while proving why underlying NVMe storage is the only metric that truly matters for cluster stability.

coolvds.com › Blog › DevOps & Infrastructure

Container Security in 2021: Locking Down Docker and Kubernetes Before Production

· CoolVDS Team

With the recent SolarWinds fallout and the deprecation of Docker shim in Kubernetes 1.20, security is the only metric that matters right now. Here is a battle-tested guide to hardening your container infrastructure in Norway, covering non-root users, capability dropping, and why hardware isolation still beats software namespaces.

coolvds.com › Blog › DevOps & Infrastructure

API Gateway Latency: Tuning Nginx for Sub-Millisecond Performance

· CoolVDS Team

Is your API gateway becoming a bottleneck? Learn how to tune the Linux kernel and Nginx for high-throughput, low-latency traffic. We cover file descriptors, TCP stack optimization, and why hardware selection matters more than code in 2020.

coolvds.com › Blog › DevOps & Infrastructure

Multi-Cloud Strategy in 2021: Solving the Schrems II & Latency Dilemma

· CoolVDS Team

A battle-tested guide for Norwegian CTOs navigating the post-Privacy Shield landscape. We analyze hybrid architectures using WireGuard, NIX peering, and local NVMe storage to reduce TCO and ensure GDPR compliance.

coolvds.com › Blog › DevOps & Infrastructure

Container Security in 2021: Why Your Dockerfile is a Liability

· CoolVDS Team

It is late 2020, and running containers as root is still the industry's most dangerous habit. From dropping capabilities to navigating the post-Schrems II landscape in Norway, here is how to lock down your infrastructure before the next CVE hits.

coolvds.com › Blog › DevOps & Infrastructure

Monitoring is Dead: Building True Observability Stacks in a Post-Schrems II World

· CoolVDS Team

Green dashboards don't mean happy users. Learn why 2020 demands a shift from passive monitoring to active observability, how to configure Nginx for structured logging, and why the Schrems II ruling makes self-hosting your metrics in Norway a legal necessity.