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coolvds.com › Blog › DevOps & Infrastructure

Docker in Production: Surviving the Orchestration Wars of 2015

· CoolVDS Team

Docker 1.9 just changed the game, but managing containers at scale is still a battlefield. We pit Kubernetes 1.1 against Swarm and Mesos to find the best stack for Norwegian infrastructure post-Safe Harbor.

coolvds.com › Blog › DevOps & Infrastructure

Docker in Production: Security Hardening for the Paralyzed DevOps

· CoolVDS Team

With the recent invalidation of Safe Harbor and the explosion of container adoption, default Docker configurations are a liability. We analyze kernel isolation, capability dropping, and why running containers on KVM-based VPS is the only sane choice for Norwegian data.

coolvds.com › Blog › DevOps & Infrastructure

Beyond Nagios: Why "Green Lights" Are Killing Your Stack (And How to Fix It)

· CoolVDS Team

With the recent Safe Harbor invalidation, knowing where your data lives is as critical as knowing if your server is up. We explore moving from basic monitoring to deep system introspection using ELK and Graphite on high-performance Norwegian infrastructure.

coolvds.com › Blog › Performance Optimization

Crushing Latency: Tuning Nginx 1.9.x for High-Throughput APIs in Norway

· Radek Málek

Is your API gateway choking on concurrent connections? We dive into kernel-level tuning, the brand new HTTP/2 protocol, and why the recent Safe Harbor invalidation makes local Norwegian hosting the only smart technical choice.

coolvds.com › Blog › DevOps & Infrastructure

Taming Microservices: Building a Resilient Network Layer Post-Safe Harbor

· CoolVDS Team

Microservices solve scalability but create a networking nightmare. With the recent invalidation of Safe Harbor, hosting your service architecture on local Norwegian infrastructure is no longer just an option—it's a necessity. Here is how to architect a fault-tolerant service communication layer using Nginx, Consul, and Docker.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migrations: A Battle Plan for 2015

· CoolVDS Team

Migrating a live production database without killing your uptime is a surgical procedure. We break down the Master-Slave swing strategy, disk I/O bottlenecks, and why keeping your data on Norwegian soil is the smartest compliance move you can make right now.

coolvds.com › Blog › Security & Compliance

The Perimeter is Dead: Implementing Zero-Trust Security in 2015

· CoolVDS Team

The 'castle and moat' security strategy is failing. We explore how to implement Google's BeyondCorp-style Zero-Trust architecture using KVM, SSH keys, and rigorous segmentation on Norwegian infrastructure.