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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

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 › Cloud Computing

Surviving the Cloud Hype: A Pragmatic Hybrid Strategy for Norwegian IT

· Jakub Kowalski

Is the 'all-in' public cloud strategy actually costing you more? We analyze the TCO of hybrid infrastructures, data sovereignty under the Data Protection Directive, and how to technically bridge CoolVDS with hyperscalers using HAProxy in 2015.

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

Container Security in 2015: Stop Handing Root Access to Your Host

· Maria Nowak

Docker is revolutionizing deployment, but default configurations are a security nightmare. Learn how to harden your containers, drop kernel capabilities, and why running Docker on KVM-based infrastructure like CoolVDS is the only sane choice for production in Norway.

coolvds.com › Blog › DevOps & Infrastructure

Stop Using Ping: A Sysadmin’s Guide to Infrastructure Monitoring at Scale

· CoolVDS Team

Is your monitoring strategy just a cron job and a prayer? In 2015, 'uptime' isn't enough. We explore the transition from Nagios to time-series metrics, how to detect the dreaded CPU Steal on virtual machines, and why hosting in Norway matters for your data logs.