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coolvds.com › Blog › DevOps & Infrastructure

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

· CoolVDS Team

Monitoring tells you the server is up. Observability tells you why the checkout failed for iOS users in Bergen. We dive into the distinction using Prometheus, Loki, and OpenTelemetry, and why hosting your own stack in Norway is the only safe bet post-Schrems II.

coolvds.com › Blog › DevOps & Infrastructure

Disaster Recovery in a Post-Schrems II World: A Norwegian CTO’s Playbook

· CoolVDS Team

Backups are not a strategy. Following the OVH Strasbourg fire and the Schrems II ruling, relying on luck or US cloud giants is negligence. Here is the technical blueprint for a GDPR-compliant, warm-standby disaster recovery architecture in Norway.

coolvds.com › Blog › DevOps & Infrastructure

Database Migration War Games: Strategies for Zero Downtime in 2021

· CoolVDS Team

A battle-hardened DevOps guide to migrating high-load databases without losing data or sleep. We cover replication strategies, specific config tuning, and why local NVMe storage in Norway is your safety net.

coolvds.com › Blog › DevOps & Infrastructure

Disaster Recovery in 2021: Surviving Schrems II and Server Failures

· CoolVDS Team

Post-Schrems II, your disaster recovery plan isn't just about uptime—it's about sovereignty. Here is how to architect a compliant, low-latency DR strategy in Norway using Ansible, Restic, and NVMe infrastructure.

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.