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coolvds.com › Blog › Security & Compliance

Zero-Trust Architecture on Linux: Killing the VPN Before It Kills You

· CoolVDS Team

The perimeter is dead. In a post-Schrems II world, relying on a single VPN gateway is negligence. We break down how to implement true Zero-Trust using WireGuard, mTLS, and sovereign Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs Monitoring: Why Your "Green" Dashboard is Lying to You

· CoolVDS Team

Monitoring tells you the server is online. Observability tells you why the checkout API is failing for users in Bergen. In this deep dive, we move beyond simple uptime checks to implement full-stack observability using OpenTelemetry, Prometheus, and Grafana on high-performance infrastructure.

coolvds.com › Blog › Security & Compliance

Container Breakouts Are Real: Locking Down Docker and Kubernetes in 2022

· CoolVDS Team

Default container configurations are a security liability. We explore rigorous hardening strategies—from dropping capabilities to enforcing read-only filesystems—and explain why the underlying virtualization layer matters for Norwegian compliance.

coolvds.com › Blog › Security & Compliance

Zero-Trust Architecture on Linux: Beyond the VPN Perimeter (2022 Guide)

· CoolVDS Team

The traditional firewall perimeter is dead. Learn how to implement a rigorous Zero-Trust security model using WireGuard, SSH Certificates, and NFTables on Norwegian infrastructure to satisfy Datatilsynet and sleep better at night.

coolvds.com › Blog › DevOps & Infrastructure

Cloud Cost Optimization: Escaping the Hyperscaler Tax in 2023

· CoolVDS Team

With the USD/NOK exchange rate volatile and energy prices soaring, the 'pay-as-you-go' model is becoming a liability. Here is a pragmatic technical guide to cutting cloud overhead without sacrificing IOPS or compliance.