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coolvds.com › Blog › DevOps & Infrastructure

Redis for Session Management: Why Disk I/O is Killing Your PHP App

· CoolVDS Team

Still storing sessions in /tmp? You're bottlenecking your application. We explore why the new 'Redis' project is the persistent, high-speed alternative to Memcached that European systems architects have been waiting for.

coolvds.com › Blog › Security & Compliance

Hardening Linux in 2009: Stop Script Kiddies Before They Root Your Box

· CoolVDS Team

Default CentOS installs are a security nightmare. Learn the essential iptables rules, SSH hardening techniques, and kernel tweaks required to survive the hostile internet of 2009. Don't let a brute-force botnet turn your server into a zombie.

coolvds.com › Blog › Server Administration

Scaling Out: Surviving the Slashdot Effect with HAProxy on Linux

· CoolVDS Team

Is your single Apache server choking on load average? Stop optimizing httpd.conf and start load balancing. Here is how to deploy HAProxy 1.3 on CentOS to handle traffic spikes without buying an F5.

coolvds.com › Blog › Server Administration

Mastering Server-Side Caching: A 2009 Guide for Norwegian IT Infrastructure

· CoolVDS Team

In the fast-evolving landscape of 2009, speed is currency. Discover how Norwegian businesses can leverage advanced server-side caching strategies—from Memcached to Varnish—to maximize the performance of VDS, VPS, and Dedicated Servers while navigating the economic need for efficiency.