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Found 201 results for: A/B Testing

coolvds.com › Blog › Server Administration

Port 21 is a Security Hole: Configuring SFTP Chroot Jails on CentOS 5

· CoolVDS Team

Plain FTP sends your root passwords in cleartext. Stop exposing your infrastructure to packet sniffers. Here is the battle-tested guide to locking down file transfers using OpenSSH chroots on Linux, ensuring compliance with Norwegian data laws.

coolvds.com › Blog › Performance Optimization

Apache vs Lighttpd: Solving the C10k Problem on Your VPS

· CoolVDS Team

Is Apache 2.2 eating all your RAM? We pit the industry standard against the event-driven challenger, Lighttpd, to see which web server delivers the best throughput for high-traffic Norwegian sites in 2010.

coolvds.com › Blog › Database Management

MySQL 5.1 Performance Tuning: Surviving High Load with InnoDB and Xen

· CoolVDS Team

Is your database locking up under traffic spikes? Stop using MyISAM. We dive deep into my.cnf optimization, the InnoDB Plugin, and why disk I/O on 15k SAS drives (or SSDs) matters more than CPU for Norwegian VPS hosting.

coolvds.com › Blog › Hosting Solutions

VPS vs Shared Hosting: The Architecture of Reliability in 2010

· CoolVDS Team

Is your shared host throttling your growth? We analyze the technical chasm between shared environments and Virtual Private Servers, focusing on kernel isolation, I/O contention, and the Norwegian Personal Data Act.