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coolvds.com › Blog › Server Administration

Cloud Storage Reality Check: Why IOPS Matter More Than Gigabytes in 2011

· CoolVDS Team

Stop buying hosting based on disk space. We dissect why storage I/O bottlenecks are the real performance killer for your infrastructure, how to diagnose them with `iostat`, and why the shift to SSDs in Norway is inevitable.

coolvds.com › Blog › Database Management

PostgreSQL 9.0 vs MySQL 5.1: The 2010 Database Showdown for Norwegian VPS

· CoolVDS Team

With the recent release of PostgreSQL 9.0 and the uncertainty surrounding Oracle's acquisition of MySQL, the database landscape in 2010 is shifting. We break down the technical differences, performance benchmarks, and why IOPS matters more than CPU for your Norwegian hosting setup.

coolvds.com › Blog › Server Administration

Why OpenVZ is Killing Your Database: The Case for KVM in 2010

· CoolVDS Team

Stop letting 'burstable RAM' and noisy neighbors destroy your MySQL performance. We analyze why Kernel-based Virtual Machine (KVM) is the only serious choice for production environments in Norway.

coolvds.com › Blog › Database Management

MySQL vs PostgreSQL in 2010: Survival Guide for Nordic SysAdmins

· CoolVDS Team

With Oracle's acquisition of Sun shaking the open source community and PostgreSQL 9.0 introducing streaming replication, the database landscape has shifted. We benchmark the choices for high-performance hosting in Norway.

coolvds.com › Blog › Tutorials & Guides

Building a Bulletproof OpenVPN Gateway on CentOS 5: A Sysadmin’s Guide

· Barbora Nová

Stop trusting public Wi-Fi. This guide covers a production-ready OpenVPN deployment on CentOS 5, tackling iptables routing, certificate generation, and the critical TUN/TAP driver requirements often missing in cheap hosting.

coolvds.com › Blog › Database Management

MySQL 5.1 Performance Tuning: Stop Killing Your Disk I/O

· CoolVDS Team

It is 2010, and default MySQL configurations are crippling your web applications. Learn how to optimize InnoDB, manage memory allocation, and leverage SSD technology in Norway to handle high-concurrency loads.

coolvds.com › Blog › Security & Compliance

Locking Down the Pipe: Industrial-Grade OpenVPN Setup on CentOS 5

· CoolVDS Team

Public Wi-Fi is a security minefield. Learn how to deploy a hardened OpenVPN server, bypass restrictive corporate firewalls, and ensure your data passing through Oslo stays private under the Personal Data Act.

coolvds.com › Blog › Performance Optimization

PHP-FPM: The Secret Weapon for High-Traffic PHP Sites

· CoolVDS Team

Stop letting Apache mod_php eat your RAM. Learn how to configure PHP-FPM (FastCGI Process Manager) with Nginx to handle massive concurrency without upgrading hardware.

coolvds.com › Blog › Security & Compliance

Lock It Down: Essential Linux Server Hardening for Norwegian Enterprises

· CoolVDS Team

The default Linux installation is not secure. From locking down SSH to configuring iptables, here is the battle-tested guide to securing your VPS against the rising tide of automated botnets targeting European infrastructure.

coolvds.com › Blog › Hosting Solutions

OpenVZ vs. Xen: Why "Burst RAM" is a Lie and True Isolation Matters

· CoolVDS Team

Is your budget VPS slowing down during peak hours? We dive into the kernel-level differences between OpenVZ containers and Xen virtualization to explain why 'guaranteed resources' are often anything but.