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coolvds.com › Blog › DevOps & Infrastructure

CI/CD Pipeline Optimization in 2025: From 20-Minute Builds to 45 Seconds

· CoolVDS Team

Slow pipelines are the silent killer of engineering velocity. Learn how to optimize CI/CD I/O bottlenecks, configure self-hosted runners on NVMe infrastructure, and leverage local Oslo peering for instant registry pulls.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes 1.30 Production Guide: Configuring LimitedSwap and DRA on High-Performance Nodes

· CoolVDS Team

A battle-hardened analysis of Kubernetes 1.30 features for Norwegian DevOps teams. We ditch the 'Uwubernetes' jokes to focus on enabling Node Memory Swap (LimitedSwap), implementing Structured DRA for GPUs, and fixing sidecar scaling issues. Includes specific configs for 2025 production environments.

coolvds.com › Blog › DevOps & Infrastructure

Silence is Loud: Why Your 'Green' Dashboard is Lying About Downtime

· CoolVDS Team

Standard CPU graphs won't save you at 3 AM. A battle-hardened guide to implementing full-stack observability on Norwegian infrastructure, dealing with NVMe bottlenecks, and keeping Datatilsynet happy.

coolvds.com › Blog › DevOps & Infrastructure

GitOps in 2025: Stop Breaking Production with ClickOps

· CoolVDS Team

Manual `kubectl apply` is a resignation letter waiting to happen. Here is the battle-tested GitOps workflow using ArgoCD, Kustomize, and high-performance infrastructure to keep your Norwegian deployments sane.

coolvds.com › Blog › AI & Machine Learning

Feeding the Beast: DDR5 Memory Tuning for High-Throughput AI Pipelines

· CoolVDS Team

Your expensive GPUs are idling because your system memory can't keep up. We dissect the specific kernel parameters, NUMA topologies, and PyTorch configurations required to saturate DDR5 bandwidth on modern Linux servers.

coolvds.com › Blog › Security & Compliance

Zero-Trust Architecture: Imploding the Perimeter on Norwegian Soil

· CoolVDS Team

The perimeter is dead. Discover how to implement a ruthless Zero-Trust security model using WireGuard, mTLS, and hardware-isolated KVM instances to satisfy Datatilsynet and keep your infrastructure secure.

coolvds.com › Blog › DevOps & Infrastructure

Microservices Patterns That Actually Scale: A Norwegian DevOps Perspective

· CoolVDS Team

Microservices aren't a silver bullet—they're a complexity trade-off. We dissect the architectural patterns that prevent distributed monoliths, focusing on latency, resilience, and the specific infrastructure needs of the Nordic market.