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coolvds.com › Blog › Server Administration

Surviving the Slashdot Effect: High Availability with HAProxy 1.4 on Linux

· CoolVDS Team

Is your single Apache server ready for a traffic spike? Learn how to deploy HAProxy 1.4 for robust load balancing and failover. We cover Layer 7 switching, configuration strategies, and why low-latency hardware in Oslo matters for Norwegian businesses.

coolvds.com › Blog › DevOps & Infrastructure

Stop Guessing: A Battle-Hardened Guide to APM and Observability in Norway

· CoolVDS Team

Latency in Oslo shouldn't feel like you're routing through the moon. We dismantle the 'black box' of server performance, set up a self-hosted Prometheus/Grafana stack on Ubuntu 24.04, and explain why underlying hardware dictates your monitoring truth.

coolvds.com › Blog › DevOps & Infrastructure

Private Serverless: Architecting High-Performance FaaS on Bare-Metal K8s in 2025

· CoolVDS Team

Serverless doesn't mean no servers; it means servers you don't control—unless you build it yourself. Discover how to deploy Knative and OpenFaaS on CoolVDS NVMe infrastructure to cut cloud costs, eliminate cold starts, and satisfy Norwegian data sovereignty requirements.

coolvds.com › Blog › DevOps & Infrastructure

Surviving the Mesh: A Pragmatic Guide to Istio Implementation in 2025

· CoolVDS Team

Microservices solve code complexity but introduce network chaos. Here is a battle-tested guide to implementing a Service Mesh without destroying your latency budget, focusing on Istio Ambient and GDPR compliance in Norway.

coolvds.com › Blog › DevOps & Infrastructure

The FinOps Reality Check: Cutting Cloud Waste in a Weak Krone Economy

· CoolVDS Team

For Norwegian CTOs, the combination of a weak NOK and opaque hyperscaler billing is a budget killer. We dissect technical strategies to reclaim your margins—from kernel-level CPU optimization to localized data sovereignty.

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

Beyond the Hype: Pragmatic Serverless Patterns for Norwegian Enterprises

· CoolVDS Team

Public cloud serverless promises infinite scale but often delivers unpredictable bills and data residency headaches. Discover how to build compliant, cost-effective event-driven architectures using self-hosted FaaS patterns on Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes vs. K3s vs. Nomad: Orchestration Reality Check for 2024

· CoolVDS Team

Stop over-engineering your infrastructure. A battle-hardened comparison of container orchestrators for Norwegian workloads, focusing on latency, cost, and the specific hardware requirements of etcd.