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coolvds.com › Blog › Server Administration

SSL/TLS Mastery: Securing Norwegian Business Infrastructure in 2009

· CoolVDS Team

A comprehensive guide for Norwegian IT professionals on managing SSL/TLS certificates amidst the new MD5 vulnerabilities. Learn how to secure your VDS, Dedicated Server, and Web Hosting environments while boosting customer trust with the latest EV certificates.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes 1.0 Networking: Surviving the Overlay Jungle in Production

· CoolVDS Team

Kubernetes 1.0 is finally here, but the flat-networking model is causing headaches for early adopters. We dissect the performance costs of Flannel vs. Weave and why your underlying VPS architecture decides your cluster's fate.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking: Escaping Docker Port Hell Before v1.0

· CoolVDS Team

Docker links are dead. As we approach the Kubernetes v1.0 release, we dissect the 'IP-per-Pod' model, configure Flannel overlays on Ubuntu 14.04, and explain why your underlying VPS architecture makes or breaks microservices performance.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A Survival Guide for Nordic Sysadmins

· CoolVDS Team

Database migrations are 'resume-generating events' if they fail. Learn how to move MySQL 5.6 production workloads with minimal downtime using replication and SSH tunnels, specifically optimized for Norway's infrastructure.

coolvds.com › Blog › Security & Compliance

Hardening Your Linux VPS: A Battle-Tested Security Guide

· CoolVDS Team

Security isn't a feature; it's a requirement. Learn the essential steps to lock down your Linux server, from iptables to SSH keys, and why Norwegian data sovereignty matters more than ever.

coolvds.com › Blog › DevOps & Infrastructure

Scaling Past the Slashdot Effect: The Battle-Hardened Guide to HAProxy 1.4

· CoolVDS Team

Traffic spikes shouldn't result in a 503 Service Unavailable. In this deep dive, we configure HAProxy 1.4 for high availability, analyze Round Robin strategies, and explain why underlying virtualization architecture dictates your load balancer's survival.

coolvds.com › Blog › Server Administration

OpenVZ Containers: The Good, The Bad, and The Beancounters

· CoolVDS Team

Is your VPS actually dedicated? We dissect the reality of OS-level virtualization, the 'noisy neighbor' problem, and why /proc/user_beancounters dictates your uptime.

coolvds.com › Blog › Server Administration

OpenVZ vs. Xen: The Dirty Truth Behind Your "Guaranteed" RAM

· CoolVDS Team

Is your 512MB VPS actually yours? We crack open /proc/user_beancounters to reveal the reality of overselling, kernel sharing, and why serious Norwegian deployments need honest virtualization.

coolvds.com › Blog › Hosting Solutions

Escaping the Shared Hosting Trap: Why Your Growing App Needs a VPS

· CoolVDS Team

Is your site buckling under the 'Digg Effect'? We analyze the architectural bottlenecks of shared hosting and demonstrate why migrating to a Xen-based VPS is the only viable path for performance and compliance in 2010.