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coolvds.com › Blog › Performance Optimization

Latency is the Enemy: Why 'Edge' Means Hosting in Oslo, Not Amsterdam

· CoolVDS Team

Physics doesn't negotiate. In 2014, the difference between hosting in Norway versus mainland Europe is the difference between a bounce and a conversion. We dissect the technical reality of local peering and how to configure Nginx and Varnish for the Nordic edge.

coolvds.com › Blog › DevOps & Infrastructure

The "NoOps" Illusion: Decoupling Architecture with Queues & KVM in 2014

· CoolVDS Team

While the industry buzzes about PaaS and 'NoOps', real scalability requires robust asynchronous patterns. We explore how to architect high-performance worker queues using Redis, Celery, and KVM-based VPS in Norway.

coolvds.com › Blog › Security & Compliance

Automating Compliance: Hardening KVM Instances for Norwegian Data Laws

· CoolVDS Team

Manual security auditing is a liability. Learn how to automate server hardening with Puppet and iptables to satisfy Datatilsynet requirements while maintaining low-latency performance on Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Containers Don't Contain: Hardening LXC and Docker 0.8 for Production

· CoolVDS Team

It is 2014, and the container revolution is here. But before you deploy Docker to production, you need to understand the security risks of shared kernels. Here is a battle-hardened guide to locking down LXC and why KVM is mandatory for true isolation.

coolvds.com › Blog › Security & Compliance

The 'It Won't Happen To Me' Syndrome: Disaster Recovery Strategies for Nordic Systems

· CoolVDS Team

Hardware fails. It is a mathematical certainty. In 2014, relying solely on RAID is professional negligence. We dissect the difference between redundancy and recovery, explore robust rsync strategies, and explain why keeping your data inside Norway borders (Datatilsynet) is your best legal defense.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migrations: A Battle Plan for Norwegian Systems

· CoolVDS Team

Migrating a live database without data loss or downtime is the ultimate litmus test for a sysadmin. Here is the comprehensive strategy for moving high-load MySQL datasets to Norwegian soil using replication, SSH tunneling, and KVM-based consistency.

coolvds.com › Blog › DevOps & Infrastructure

The 'NoOps' Trap: Architecting Scalable Systems Without the PaaS Tax

· CoolVDS Team

While 'Serverless' Platforms as a Service (PaaS) are trending in 2013, they introduce latency and lock-in. We explore how to replicate the ease of deployment on high-performance KVM VPS using Nginx, Git hooks, and rigorous automation.

coolvds.com › Blog › Database Management

Database Sharding: Surviving the Traffic Spike When Vertical Scaling Fails

· CoolVDS Team

When your MySQL tables hit 50 million rows and join queries start locking up your CPU, throwing more RAM at the problem won't save you. We dive deep into horizontal sharding strategies, PHP implementation patterns, and why KVM isolation is non-negotiable for high-performance data architectures in 2013.