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coolvds.com › Blog › Security & Compliance

Fortifying the Castle: Essential Linux Server Hardening for 2012

· CoolVDS Team

With the rise of LulzSec and automated botnets in 2011, default configurations are a death sentence. Here is the battle-tested guide to hardening your Norwegian VPS, from iptables to SSH key management.

coolvds.com › Blog › Database Management

MySQL vs PostgreSQL in late 2011: The Architect's Dilemma

· CoolVDS Team

With Oracle's acquisition of Sun shaking the community and PostgreSQL 9.1 introducing synchronous replication, the database landscape has shifted. We analyze the technical trade-offs for Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Stop Praying for Uptime: Bulletproof Load Balancing with HAProxy

· CoolVDS Team

Discover how to scale your infrastructure using HAProxy on Linux. We dive into configuration strategies, session persistence, and why hardware isolation matters for high-traffic Norwegian sites.

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 › Server Administration

Stop Analyzing iowait: Why Local SSD Storage is the Only Upgrade That Matters in 2011

· CoolVDS Team

Is your server load spiking while CPU usage sits idle? You are likely a victim of the 'IO Bottleneck' common in traditional SAN setups. We explore why switching to local SSD storage and KVM virtualization is the critical move for serious systems administrators in Norway.

coolvds.com › Blog › Hosting Solutions

VPS vs Shared Hosting in 2011: Stop Sharing Your CPU With Strangers

· Georgi Dimitrov

Is your site crawling during peak hours? Shared hosting is a trap for growing businesses. We break down the technical differences, from kernel isolation to I/O wait times, and explain why upgrading to a VPS in Oslo is critical for performance and Norwegian compliance.

coolvds.com › Blog › Server Administration

OpenVZ vs. KVM/Xen: Why Your "Cheap" VPS is Actually Costing You Money

· CoolVDS Team

In the battle of virtualization technologies, OpenVZ offers density while KVM and Xen offer isolation. We dissect the 'user_beancounters' file, expose the risks of overselling, and explain why serious Norwegian businesses are migrating to hardware virtualization in 2011.

coolvds.com › Blog › Server Administration

IPv4 is Dead: A Battle-Hardened Guide to Native IPv6 Deployment

· CoolVDS Team

IANA officially ran out of IPv4 blocks in February. If you aren't dual-stacking now, your infrastructure is already obsolete. Here is the raw, terminal-level guide to deploying IPv6 without breaking your uptime.

coolvds.com › Blog › Security & Compliance

Paranoia is a Virtue: The 2011 Linux Server Hardening Guide

· CoolVDS Team

The 'LulzSec summer' proved no one is safe. From iptables policies to SSH key management, here is how to lock down your Norwegian VPS before you even point a domain at it.

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 › Server Administration

Server Log Forensics: Why You Need AWStats When Analytics Fail

· CoolVDS Team

Client-side tracking misses the full picture. Discover how to configure AWStats 7.0 for deep server-side analysis, uncover botnets, and audit bandwidth on high-performance infrastructure.