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coolvds.com › Blog › DevOps & Infrastructure

Solving the Latency Crisis: Practical Edge Computing Patterns for Nordic Infrastructure

· CoolVDS Team

Physics is non-negotiable. For Norwegian DevOps teams facing rugged geography and strict GDPR laws, Edge Computing isn't a buzzword—it's survival. We break down real-world architectures using WireGuard, K3s, and MQTT to bridge the gap between remote fjords and Oslo data centers.

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 › Server Administration

VPS vs Shared Hosting: Stop Sharing Your CPU with Spammers

· CoolVDS Team

Is your site crawling during peak hours? We dismantle the 'unlimited bandwidth' myth of shared hosting and explain why true hardware isolation via Xen virtualization is the only path for professional scaling in 2011.

coolvds.com › Blog › Tutorials & Guides

Hardening OpenVPN on CentOS 6: A Survival Guide for the Paranoid Sysadmin

· CoolVDS Team

Public Wi-Fi is a security minefield. Stop relying on third-party VPN providers that log your traffic. Here is a battle-tested guide to deploying a military-grade OpenVPN server on a Norwegian VPS using CentOS 6 and 2048-bit encryption.

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

Zero-Downtime Database Migration: A Survival Guide for Norwegian Infrastructure

· CoolVDS Team

Migrating terabytes of data without losing a single transaction requires more than just a dump file. Here is a battle-tested strategy for moving PostgreSQL and MySQL workloads to high-performance NVMe infrastructure while keeping Datatilsynet happy.