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coolvds.com › Blog › DevOps & Infrastructure

Container Security: Locking Down the Hull Before Deployment

· CoolVDS Team

Root in a container is root on the host. This guide strips away the marketing fluff to show you how to actually secure Docker and Kubernetes workloads in 2024, focusing on kernel isolation, capability dropping, and why infrastructure choice matters for Norwegian compliance.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking Deep Dive: Moving Beyond iptables Hell in 2024

· CoolVDS Team

Default Kubernetes networking scales poorly. We dissect the shift from iptables to eBPF, optimize CNI configurations for Nordic latency, and explain why underlying infrastructure defines your packet drop rate.

coolvds.com › Blog › DevOps & Infrastructure

Serverless Patterns Without the Bill Shock: Self-Hosted FaaS on KVM

· CoolVDS Team

Stop overpaying for AWS Lambda cold starts and egress fees. Learn how to deploy a GDPR-compliant, low-latency OpenFaaS cluster on CoolVDS using K3s and NVMe storage for maximum throughput in Norway.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking in Production: Surviving the Packet Jungle

· CoolVDS Team

A deep dive into K8s networking primitives, CNI choices, and performance tuning for high-load Nordic workloads. We cut through the abstraction layers to see what actually happens to your packets.

coolvds.com › Blog › Database Management

Database Sharding Strategies: Surviving the Monolith Meltdown

· CoolVDS Team

Vertical scaling has a ceiling. Learn how to implement horizontal sharding for MySQL and PostgreSQL without breaking data consistency, specifically tailored for high-compliance Norwegian infrastructure.

coolvds.com › Blog › Security & Compliance

Container Breakouts are Real: Hardening Docker & Kubernetes in 2024

· CoolVDS Team

Container isolation is a myth if you ignore kernel capabilities and runtime security. We explore the 'Leaky Vessels' vulnerability, rootless execution, and why Norwegian infrastructure matters for compliance.