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coolvds.com › Blog › Server Administration

Nginx Reverse Proxy: Crushing the C10k Problem on High-Latency Networks

· CoolVDS Team

Is Apache MaxClients killing your server? Learn how to deploy Nginx as a reverse proxy to handle thousands of concurrent connections while keeping your backend lean. A guide for serious systems architects targeting the Nordic infrastructure.

coolvds.com › Blog › Server Administration

Stop Guessing: Deep Server Log Analysis with AWStats on Linux

· CoolVDS Team

Google Analytics misses 30% of your traffic. Learn how to implement AWStats on CentOS/Debian to track bots, bandwidth thieves, and true server performance without killing your disk I/O.

coolvds.com › Blog › Server Administration

Stop Getting Blacklisted: The 2010 Guide to a Bulletproof Postfix Setup

· CoolVDS Team

Tired of your legitimate business emails landing in junk folders? This guide covers the essential Postfix configuration, RBL integration, and infrastructure requirements to ensure deliverability and compliance with Norwegian data laws.

coolvds.com › Blog › Server Administration

Apache vs. Lighttpd: Surviving the C10k Problem on Linux

· CoolVDS Team

Is your Apache server choking on keep-alive connections? We dissect the architectural differences between the industry standard Apache 2.2 and the event-driven challenger Lighttpd to determine which daemon belongs on your Norwegian VPS.

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.

coolvds.com › Blog › Security & Compliance

Linux Server Hardening: Survival Guide for the Norwegian Sysadmin

· CoolVDS Team

The internet is a hostile environment. Learn how to lock down your CentOS or Debian VPS against brute-force attacks and script kiddies using tools like iptables and Fail2Ban, while keeping your data compliant with Datatilsynet standards.

coolvds.com › Blog › Performance Optimization

Stop Writing to Disk: Accelerating PHP Sessions with Redis 1.2

· CoolVDS Team

Is high I/O wait killing your web application? Default file-based sessions are a bottleneck. Learn how to implement Redis as a session handler to reduce latency and maintain persistence.

coolvds.com › Blog › Cloud Computing

The I/O Bottleneck: Why Your "Cloud" Strategy Might Fail in 2010

· Anna Bergström

It is April 2010. The cloud hype is peaking, but latency and disk I/O remain the silent killers of enterprise applications. Here is a pragmatic look at storage performance, the Personal Data Act, and why local RAID 10 setups often beat overseas clouds.

coolvds.com › Blog › Hosting Solutions

Cloud Storage Myths: Why Latency Trumps Capacity in 2010

· CoolVDS Team

It is 2010, and 'Unlimited Storage' is the marketing lie destroying your database performance. Here is why local RAID 10 beats a cheap SAN, and how to keep your data compliant in Norway.

coolvds.com › Blog › Server Administration

OpenVZ vs. Xen: Why Architecture Matters for Your Norwegian VPS

· CoolVDS Team

It is March 2010. The VPS market is flooded with cheap containers. We dissect the technical reality of OpenVZ, memory management pitfalls, and why serious implementations in Norway demand better isolation.

coolvds.com › Blog › Server Administration

Xen Virtualization: The SysAdmin's Guide to True Isolation

· CoolVDS Team

Stop gambling with oversold containers. Discover why Xen paravirtualization is the definitive choice for performance, stability, and Norwegian data compliance in 2010.