Insights, tutorials, and updates from the CoolVDS team
A technical deep-dive into deploying high-performance edge nodes in Oslo. We cover K3s clustering, MQTT aggregation for IoT, and WireGuard meshing on NVMe VPS infrastructure.
Stop debugging random DNS timeouts. A battle-hardened guide to K8s networking, eBPF, Gateway API, and why your underlying infrastructure determines your cluster's fate.
Default Kubernetes networking won't survive production traffic. We dissect the CNI wars (Cilium vs Calico), Gateway API implementation, and why eBPF is your only defense against latency in the Nordic region.
Stop throwing RAM at your monolithic database. Learn how to architect a sharded database infrastructure that handles Norwegian high-traffic events without latency penalties or GDPR nightmares.
Centralized cloud regions in Frankfurt or Stockholm aren't enough for real-time Norwegian workloads. We analyze high-performance edge strategies using Nginx, WireGuard, and local NVMe infrastructure to reduce latency and ensure GDPR compliance.
Perimeter security is a failed concept. In this guide, we dismantle the 'castle-and-moat' fallacy and deploy a rigorous Zero-Trust architecture using mTLS, WireGuard, and strict identity enforcement on bare-metal KVM. Learn why low-latency hardware is the hidden requirement for encrypted meshes.
A battle-hardened guide to debugging Kubernetes networking issues, from CNI choices (Cilium vs Calico) to MTU mismatch hell. Learn why the underlying VPS infrastructure dictates your cluster's stability.
Public cloud serverless functions are a billing trap disguised as convenience. Learn how to architect robust, GDPR-compliant serverless patterns using OpenFaaS and K3s on CoolVDS NVMe instances for superior latency in Norway.
Stop over-engineering your stack. We benchmark container orchestrators specifically for VPS environments in Norway, analyzing overhead, IOPS requirements, and compliance trade-offs.
Stop running containers as root. A battle-hardened guide to locking down your supply chain, enforcing runtime security, and ensuring GDPR compliance on Norwegian infrastructure.
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.
Stop debugging iptables nightmares. We dissect the 2025 Kubernetes networking landscape, focusing on eBPF, Gateway API, and optimizing packet flow for Norwegian data residency requirements.
Stop accepting default configurations. A deep dive into Nginx internals, Linux kernel tuning, and infrastructure choices required to achieve sub-millisecond API response times in 2025.
Uptime is a vanity metric. Learn how to implement a robust OpenTelemetry, Prometheus, and Loki stack on Norwegian infrastructure to satisfy GDPR while capturing every millisecond of latency.
Perimeter security is dead. Learn how to implement a true Zero-Trust model on Norwegian VPS infrastructure using WireGuard, nftables, and mTLS to satisfy Datatilsynet and defeat lateral movement.
Manual deployments are a liability. This guide details battle-hardened GitOps workflows using ArgoCD and Flux v2, specifically designed for compliance-heavy Norwegian environments and high-performance infrastructure.
Stop overpaying for hyperscale egress. Learn how to architect a compliant, high-performance multi-cloud setup combining global reach with local Norwegian infrastructure using Terraform and WireGuard.
Stop blaming the firewall. We dissect the Kubernetes network stack, from eBPF optimizations to avoiding VXLAN overhead, specifically tailored for high-compliance Nordic infrastructure.
Slash your infrastructure costs by up to 40% with tactical FinOps strategies. We analyze egress traps, kernel-level tuning, and why moving heavy compute to NVMe VPS in Norway is the smartest fiscal move for 2025.
Default configurations are the silent killer of API performance. We strip down the Linux kernel, optimize NGINX/Envoy for raw throughput, and explain why hardware isolation is non-negotiable for sub-millisecond latency in the Nordic region.
Escape vendor lock-in and unpredictable cloud bills. A pragmatic guide for CTOs on deploying self-hosted serverless patterns (Knative/OpenFaaS) using high-performance VDS in Oslo.
Step-by-step guide to setting up a modern CI/CD pipeline using Firecracker MicroVMs.
Practical tips to reduce your cloud infrastructure costs without sacrificing performance.
Discover why Firecracker MicroVMs are changing the serverless landscape with sub-second boot times.
Learn how to maximize your AI inference performance with GPU slicing technology on CoolVDS.
Monitoring tells you the server is up. Observability tells you why the checkout is slow. We dive into the OpenTelemetry stack, high-cardinality data storage, and why Norwegian data residency matters for your logs in 2025.
Stop building distributed monoliths. A battle-hardened guide to microservices patterns, resilience strategies, and why infrastructure latency is the silent killer of Nordic deployments.
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.
Stop relying on manual checklists for server security. Learn how to automate compliance using Ansible and OpenSCAP on high-performance VPS infrastructure in Norway.
A pragmatic guide to multi-cloud architecture in 2025. We explore avoiding vendor lock-in, optimizing for NIX latency, and ensuring GDPR compliance using a 'Stateful Core' on CoolVDS combined with hyperscaler edges.