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coolvds.com › Blog › DevOps & Infrastructure

Beyond Green Lights: Observability vs. Monitoring for Nordic Systems

· CoolVDS Team

Monitoring tells you the server is up. Observability tells you why the checkout is slow. We dissect the technical differences, implementation strategies using OpenTelemetry (circa 2022), and why infrastructure choice dictates data fidelity.

coolvds.com › Blog › DevOps & Infrastructure

Container Escapes Are Real: Hardening Docker and Kubernetes for Production in 2022

· CoolVDS Team

Containers are not virtual machines. In the wake of Log4Shell, relying on default Docker settings is negligence. Learn how to implement rootless execution, drop kernel capabilities, and why hardware-level isolation at the VPS level is your last line of defense.

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

Observability vs Monitoring: Why Your Green Dashboards Are Lying to You

· CoolVDS Team

Monitoring tells you the server is up. Observability tells you why the API latency just spiked by 400ms. A 2020 guide for Nordic DevOps engineers on moving from "Green/Red" lights to deep system insights using Prometheus, ELK, and proper infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

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

· CoolVDS Team

It's 2019, and 'green' dashboards don't mean happy users. We dissect the critical shift from passive monitoring to active observability, covering the ELK stack, Prometheus, and why high-cardinality data demands the NVMe performance found in CoolVDS infrastructure.