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coolvds.com › Blog › DevOps & Infrastructure

Monitoring Tells You You're Screwed. Observability Tells You Why.

· CoolVDS Team

Nagios alerts might wake you up, but they won't fix your code. In the era of Docker and microservices, we explore the shift from binary monitoring to deep system observability using ELK, Prometheus, and high-performance infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking: Escaping Docker Port Hell Before v1.0

· CoolVDS Team

Docker links are dead. As we approach the Kubernetes v1.0 release, we dissect the 'IP-per-Pod' model, configure Flannel overlays on Ubuntu 14.04, and explain why your underlying VPS architecture makes or breaks microservices performance.

coolvds.com › Blog › DevOps & Infrastructure

Container Isolation Is A Lie: Hardening Strategies for 2025

· CoolVDS Team

Default container configurations are a security nightmare waiting to happen. From kernel exploits to supply chain attacks, we dissect how to lock down your Norwegian infrastructure using immutable layers, seccomp profiles, and KVM isolation.