Insights, tutorials, and updates from the CoolVDS team
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 break down the technical differences, the resource costs of tracing, and why infrastructure isolation is critical for accurate data.
Running AI workloads on generic cloud infrastructure is a recipe for latency and compliance failures. We dissect the specific Kubernetes configurations, NVMe requirements, and sovereignty strategies needed for high-performance ML in 2023.
Stop throwing RAM at your database bottlenecks. A battle-hardened guide to implementing horizontal sharding strategies for high-traffic applications in the Nordic region, focusing on MySQL architectures and NVMe performance.
Your build times aren't slow because of your code; they're slow because of your runner's disk I/O. We analyze the impact of NVMe storage, aggressive caching strategies, and geographic latency on CI pipelines.
Manual server hardening is a liability. Learn how to automate CIS benchmarks, enforce GDPR-compliant data residency in Norway, and implement continuous security monitoring using Ansible and OpenSCAP.
Stop paying the 'hyperscaler tax' and suffering cold starts. Learn how to deploy a robust, self-hosted serverless architecture using K3s and OpenFaaS on NVMe VPS instances for uncompromised control and latency.
Physics is stubborn. For Nordic users, serving from Frankfurt isn't edge—it's legacy. We break down a K3s-based edge deployment architecture using local Norwegian infrastructure to slash latency and satisfy Datatilsynet.
We strip away the hype to compare the top container orchestrators of 2023. Learn why disk I/O latency is the silent killer of Kubernetes clusters and how local Norwegian infrastructure solves the Schrems II compliance nightmare.
The 'castle-and-moat' security model is dead. Learn how to implement true Zero-Trust on Linux using SSH certificates, WireGuard, and mTLS, specifically tailored for Norwegian compliance standards.
A battle-hardened guide to implementing microservices without destroying system reliability. We cover the Strangler Fig, Circuit Breakers, and Sagas, specifically tailored for the Nordic infrastructure landscape.
Monoliths are safe; microservices are a minefield. We break down the architecture patterns that actually survive production in 2023, focusing on latency reduction via NIX, GDPR compliance, and why raw KVM often beats managed Kubernetes.
A battle-hardened comparison of container orchestration tools for Nordic DevOps teams. We analyze overhead, complexity, and latency requirements strictly for late 2023 infrastructure.
Container isolation is a myth without proper configuration. We explore kernel-level hardening, immutable infrastructure, and why true KVM virtualization is non-negotiable for compliance in 2023.
Stop building distributed monoliths. A battle-hardened look at implementing the API Gateway, Circuit Breaker, and Database-per-Service patterns on high-performance infrastructure, tailored for the Norwegian market.
Stop over-engineering your infrastructure. We benchmark Kubernetes, Docker Swarm, and Nomad on Nordic bare-metal performance, analyzing overhead, latency, and compliance for Norwegian dev teams.
Slow build times are killing your team's velocity. We dissect the root causes of pipeline latency—from I/O bottlenecks to network hops—and show you how to cut deployment times by 60% using optimized KVM runners.
Stop blaming your code for slow builds. We dissect how I/O wait and CPU steal time on cheap VPS providers strangle your DevOps agility, and how to fix it with proper KVM isolation and NVMe storage in the Norwegian market.
Manual security audits are a liability. Learn how to automate server hardening on Norwegian infrastructure using Ansible and OpenSCAP to satisfy Datatilsynet without slowing down deployment.
Hope is not a strategy. From immutable backups to cross-region replication, we detail the exact technical architecture needed to survive ransomware and outages in 2023 without violating GDPR.
Stop relying on expensive US-based SaaS for observability. Learn how to deploy a high-performance, self-hosted OpenTelemetry stack on NVMe storage to keep your metrics granular and your data inside Norway.
A battle-hardened guide to horizontal scaling for high-traffic Norwegian applications. We cover sharding strategies, MySQL/PostgreSQL implementations, and why network latency in Oslo matters more than you think.
Microservices solve organizational scaling but introduce operational chaos. This guide cuts through the hype to implement a stable Service Mesh (Istio/Linkerd) on Kubernetes 1.28+, focusing on mTLS, traffic splitting, and handling the resource tax on Norwegian infrastructure.
Cloud bills are silently killing European startups. From battling AWS egress fees to leveraging Norwegian NVMe infrastructure, here is the battle-tested roadmap to cutting infrastructure costs by 40% without sacrificing performance.
Hope is not a strategy. A battle-hardened guide to designing disaster recovery plans that actually work, focusing on immutable backups, Norwegian data sovereignty, and minimizing RTO with NVMe infrastructure.
Manual deployments are a liability. Learn how to implement a rigorous GitOps workflow using ArgoCD and Kubernetes on high-performance KVM instances, ensuring GDPR compliance and zero-downtime rollbacks.
Migrating production databases is high-stakes. Learn battle-tested strategies for moving terabytes of data with minimal latency, strict GDPR compliance, and zero data loss.