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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 › DevOps & Infrastructure

Beyond Uptime: Building a Bulletproof APM Strategy for High-Traffic Norwegian Workloads

· CoolVDS Team

Uptime metrics lie. This guide cuts through the noise of standard monitoring, offering a battle-tested approach to Application Performance Monitoring (APM) using the ELK stack and Prometheus. Learn how to diagnose latency spikes, handle GDPR log compliance in Norway, and why underlying hardware performance is the hard limit of optimization.

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 › DevOps & Infrastructure

API Gateway Performance Tuning: Surviving the Thundering Herd in 2020

· CoolVDS Team

Default configurations are the enemy of scale. We dissect the Linux kernel and Nginx settings required to handle 10k+ RPS without melting your CPU, specifically tailored for the Nordic infrastructure landscape.

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.