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coolvds.com › Blog › Database Management

PostgreSQL vs MySQL in 2012: The Architect's Dilemma

· CoolVDS Team

A deep dive into the MySQL 5.5 vs PostgreSQL 9.1 debate for Norwegian systems architects. We analyze ACID compliance, replication lag, and why SSD storage is critical for database performance.

coolvds.com › Blog › Server Administration

OpenVZ vs. KVM: The Truth About Container Virtualization in 2012

· CoolVDS Team

Is your budget VPS suffering from 'noisy neighbors'? We dissect the OpenVZ architecture, analyze /proc/user_beancounters, and explain why hardware virtualization matters for Norwegian businesses.

coolvds.com › Blog › Security & Compliance

Linux Server Hardening: The 2012 Survival Guide for Norwegian Systems

· CoolVDS Team

In an era of increasing automated attacks, default configurations are a death sentence. Here is the battle-tested roadmap to securing your Norwegian VPS, from iptables to SSH keys, strictly adhering to the Personal Data Act.

coolvds.com › Blog › Server Administration

Why We Bet on Xen: The Battle for True Server Isolation

· CoolVDS Team

Tired of 'noisy neighbors' killing your database performance? We dissect the Xen hypervisor, compare PV vs HVM, and explain why hardware virtualization is the only logical choice for serious Norwegian infrastructure in 2012.

coolvds.com › Blog › Server Administration

Xen Virtualization: The Definitive Guide for High-Performance Hosting in Norway

· CoolVDS Team

Stop suffering from noisy neighbors. We dissect the architecture of Xen Paravirtualization (PV), analyze the nuances of Dom0 vs. DomU resource scheduling, and explain why serious systems architects in Oslo are abandoning OpenVZ for dedicated Xen instances.

coolvds.com › Blog › Hosting Solutions

OpenVZ vs. KVM in 2012: Why Your "Guaranteed" RAM Might Be a Lie

· CoolVDS Team

Are your applications crashing despite having free RAM? We analyze the architecture of OpenVZ containers versus KVM virtualization, explore the dreaded User Beancounters, and explain why isolation matters for Norwegian business continuity.

coolvds.com › Blog › Tutorials & Guides

Stop Landing in Spam: The Battle-Hardened Postfix Configuration Guide (2012 Edition)

· CoolVDS Team

Tired of your transactional emails disappearing into the void? We strip away the mystery of mail servers. Here is the definitive guide to configuring a bulletproof Postfix setup on Debian Squeeze, ensuring high deliverability and low latency for Norwegian infrastructure.

coolvds.com › Blog › Server Administration

Stop Letting Apache Kill Your RAM: High-Performance Nginx Reverse Proxy Guide

· CoolVDS Team

Is your HTTPd process consuming 2GB of swap? It's time to stop the bleeding. Learn how to deploy Nginx as a reverse proxy in front of Apache to handle the C10k problem, drastically reduce latency for Norwegian traffic, and reclaim your server resources.

coolvds.com › Blog › Server Administration

OpenVZ vs. KVM: Why Your "Guaranteed" RAM is a Lie (And How to Fix It)

· CoolVDS Team

It's 2012, and virtualization is booming. But do you know what's happening inside /proc/user_beancounters? We tear down the myths of OpenVZ resource isolation and explain why serious Norwegian deployments are moving to hardware virtualization.

coolvds.com › Blog › Performance Optimization

Stop Killing Your I/O: High-Performance Session Caching with Redis 2.4

· CoolVDS Team

File-based sessions are a bottleneck waiting to strangle your application. Learn how to implement Redis for session management on Linux to reduce latency and handle high-concurrency traffic, specifically tailored for Norwegian infrastructure constraints.

coolvds.com › Blog › Server Administration

Stop Using File-Based Sessions: High-Performance Scaling with Redis 2.4

· CoolVDS Team

Disk I/O is the silent killer of web application performance. Learn how to migrate your PHP session handling to Redis 2.4 for sub-millisecond latency and why hardware virtualization matters for data integrity in Norway.

coolvds.com › Blog › Server Administration

Automated Backups: Why RAID Is Not A Strategy and Scripting Your Survival

· CoolVDS Team

It is 2012. Hard drives fail. In this guide, we bypass the marketing fluff and dive into `rsync`, MySQL rotation scripts, and Data Protection Act compliant offsite strategies to save your infrastructure from inevitable disaster.