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coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking Deep Dive: Surviving the Packet Storm in a Post-Schrems II World

· CoolVDS Team

Kubernetes networking is a notorious black box of latency and complexity. In light of the recent Schrems II ruling, hosting data in Norway is no longer optional—it's survival. This guide dissects CNI choices, kube-proxy modes, and why raw IOPS matters more than you think.

coolvds.com › Blog › Performance Optimization

API Gateway Optimization: Crushing Latency on High-Traffic Nodes

· CoolVDS Team

Your API Gateway is likely the bottleneck you haven't tuned. We dive deep into Linux kernel adjustments, NGINX upstream keepalives, and why NVMe I/O is non-negotiable for low-latency routing in 2020.

coolvds.com › Blog › Security & Compliance

Zero Trust on Linux: Building a Perimeter-Less Infrastructure in 2020

· CoolVDS Team

The 'castle and moat' security model is dead. Learn how to deploy a Zero Trust architecture using WireGuard, Nginx mTLS, and SSH Certificates on Ubuntu 20.04, ensuring your Norwegian infrastructure remains secure in a remote-first world.

coolvds.com › Blog › Security & Compliance

Building a Zero-Trust Bastion: Why the Perimeter is Dead (and How to Fix It)

· CoolVDS Team

The 'castle and moat' security model failed the moment your team went remote in 2020. Here is a battle-tested guide to implementing Zero-Trust architecture on Linux using WireGuard, Nginx mTLS, and rigorous kernel hardening, specifically tailored for Norwegian data sovereignty.