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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 › Server Administration

OpenVZ Containers: The Hidden Cost of "Cheap" Virtualization in 2011

· CoolVDS Team

Is your budget VPS slowing down during peak hours? We dissect the architecture of OpenVZ, expose the dangers of 'Burst RAM', and explain why hardware virtualization like Xen or KVM is the only viable path for mission-critical Norwegian businesses.

coolvds.com › Blog › Security & Compliance

Lock Down Your Linux Box: Essential Server Hardening for 2011

· CoolVDS Team

Default installations are dangerous. From securing SSH to configuring iptables and Fail2Ban, here is the battle-tested guide to hardening your Linux VPS against brute-force attacks and exploits.

coolvds.com › Blog › Security & Compliance

Securing Your Remote Access: Setting Up OpenVPN on CentOS 6 in Norway

· CoolVDS Team

With the rise of public WiFi insecurity and data privacy concerns, a personal VPN is mandatory for sysadmins. Learn how to deploy OpenVPN on a Norwegian VPS to secure your traffic against snooping and comply with strict local privacy laws.

coolvds.com › Blog › Server Administration

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

· CoolVDS Team

Is your budget VPS holding your application back? We analyze the architecture of OpenVZ, expose the truth about 'Burst RAM', and explain why kernel isolation matters for Norwegian business continuity.

coolvds.com › Blog › Server Administration

OpenVZ vs. KVM: The Truth About "Burst RAM" and Overselling in 2011

· CoolVDS Team

Is your VPS actually dedicated? We analyze the architecture of OpenVZ containers, the hidden dangers of /proc/user_beancounters, and why true hardware isolation matters for your Norwegian business infrastructure.

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 › Performance Optimization

Apache vs. Lighttpd: Tuning for Concurrency and Low Latency in 2011

· CoolVDS Team

Is Apache's process overhead killing your VPS performance? We dive deep into the Lighttpd event-driven architecture, compare configs, and analyze why hardware choice—specifically SSDs—matters just as much as your web server daemon.

coolvds.com › Blog › Server Administration

OpenVZ Containers: Performance Myths and Production Realities

· CoolVDS Team

Is your cheap VPS actually a performance trap? We analyze the 'noisy neighbor' effect in OpenVZ, the nightmare of User Bean Counters, and why true resource isolation is critical for Norwegian business infrastructure.

coolvds.com › Blog › Server Administration

Stop Flying Blind: Deep Log Analysis with AWStats on Linux

· CoolVDS Team

Raw access logs tell the truth that Google Analytics misses. Learn how to configure AWStats for deep traffic insights on your Norwegian VPS without killing your server's I/O performance or violating Datatilsynet guidelines.

coolvds.com › Blog › Performance Optimization

Stop Waiting on I/O: Supercharging LAMP Stacks with Redis 2.2

· CoolVDS Team

Disk latency is the silent killer of web applications. We benchmark Redis vs Memcached, explore the new persistence features in version 2.2, and explain why high-performance VPS hosting in Oslo is critical for Norwegian data handling.

coolvds.com › Blog › Server Administration

Apache vs Lighttpd: The Battle for High-Concurrency Supremacy

· CoolVDS Team

In the era of the C10k problem, choosing the right web server is critical for survival. We benchmark the heavy-lifting of Apache 2.2 against the lightweight agility of Lighttpd 1.4 to see which daemon deserves to run on your Norwegian VPS.