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coolvds.com › Blog › Performance Optimization

PHP-FPM vs Mod_PHP: Tuning for High Concurrency in 2011

· CoolVDS Team

Stop letting Apache eat your RAM. We break down why PHP 5.3's FPM is the new standard for high-performance hosting and how to configure your pools for maximum throughput.

coolvds.com › Blog › Server Administration

OpenVZ vs. Xen: Why Your "Cheap" VPS Might Be Costing You Everything

· CoolVDS Team

Is your VPS suffering from the 'noisy neighbor' effect? We dissect the architecture of OpenVZ containers versus hardware virtualization to help you decide when to save money and when to invest in isolation.

coolvds.com › Blog › Server Administration

Apache vs. Lighttpd: The Battle for Concurrency on High-Performance VPS

· CoolVDS Team

Is Apache 2.2 killing your RAM? We benchmark the ubiquitous giant against the event-driven challenger, Lighttpd. A deep dive into the C10K problem, FastCGI implementation, and why your choice of web server matters for hosting in Norway.

coolvds.com › Blog › Security & Compliance

Fortifying the Fortress: Essential Linux Server Hardening in 2011

· CoolVDS Team

With the recent release of Debian 6 and the rise of automated botnets, default configurations are a liability. Here is the battle-tested guide to locking down your VPS before you even point a DNS record at it.

coolvds.com › Blog › Security & Compliance

Lockdown 2011: Essential Linux Server Hardening for Nordic Enterprises

· CoolVDS Team

Default Linux installations are a security liability. Learn the critical hardening steps—from SSH keys to iptables—needed to secure your infrastructure against modern botnets, while ensuring compliance with Norway's Personal Data Act.

coolvds.com › Blog › Server Administration

Scaling Past the Breaking Point: HAProxy Load Balancing on Linux

· CoolVDS Team

Is your Apache server choking on traffic? Learn how to deploy HAProxy 1.4 for robust Layer 7 load balancing. We cover the architecture, the config, and why latency to NIX matters for Norwegian business continuity.

coolvds.com › Blog › Server Administration

Apache vs Lighttpd: The 2011 Web Server Performance Showdown

· CoolVDS Team

Is Apache's process-based model killing your VPS memory? We benchmark the industry standard against the lightweight contender, Lighttpd, to see which handles the C10k problem better on Norwegian infrastructure.

coolvds.com › Blog › Database Management

MySQL vs PostgreSQL: Choosing the Right Database Engine in 2010

· CoolVDS Team

With Oracle's acquisition of Sun shaking up the open-source world, choosing between MySQL 5.1 and PostgreSQL 9.0 is more critical than ever. We break down the technical differences, performance benchmarks, and why hardware I/O matters more than your SQL syntax.

coolvds.com › Blog › Database Management

PostgreSQL 9.0 vs MySQL 5.5: The Database Battle for 2011

· CoolVDS Team

With Oracle's acquisition of Sun and the release of PostgreSQL 9.0, the database landscape in late 2010 is shifting. We benchmark performance, reliability, and replication strategies to help you decide.

coolvds.com › Blog › Performance Optimization

Stop Wasting RAM: Transitioning from mod_php to PHP-FPM in 2010

· CoolVDS Team

Is Apache eating all your memory? With PHP 5.3.3 now including FPM in the core, it is time to abandon the bloated mod_php architecture. Learn how to tune process managers, leverage APC opcode caching, and stabilize high-traffic sites on Norwegian infrastructure.

coolvds.com › Blog › Server Administration

Apache vs. Lighttpd: Surviving the C10k Problem on Norwegian Infrastructure

· CoolVDS Team

Is your LAMP stack thrashing swap memory? In 2010, the battle isn't just about code—it's about the web server architecture. We benchmark Apache 2.2 against Lighttpd to see which handles high-concurrency traffic without melting your server.

coolvds.com › Blog › Server Administration

The Xen Hypervisor: Why Real Sysadmins Don't Touch OpenVZ

· CoolVDS Team

Stop suffering from noisy neighbors and 'burst' RAM limits. A deep dive into Xen paravirtualization, why it beats containers for stability, and how to configure DomU instances for maximum throughput in the Norwegian market.