Artículos interesantes

Instalación del servidor web

• Cómo aumentar el rendmiento de tu Web usando Nginx como Proxy con Apache
  https://openwebinars.net/como-configurar-nginx-como-proxy-front-end-para-apache/
• Optimizing web server performance with Nginx and PHP
  https://seravo.fi/2013/optimizing-web-server-performance-with-nginx-and-php
• Web Server Performance Comparison
  http://wiki.dreamhost.com/Web_Server_Performance_Comparison

Optimización del sistema operativo

• Hardening Debian Squeeze & Wheezy
  http://garciavictor.blogspot.com.ar/2012/11/hardening-debian-squeeze-wheezy.html
• Installation and Hardening of Debian Web Server
  http://blog.binarymist.net/2014/12/27/installation-hardening-of-debian-web-server/
• Linux Network (TCP) Performance Tuning with Sysctl
  http://www.slashroot.in/linux-network-tcp-performance-tuning-sysctl
• Securing Debian Manual
  https://www.debian.org/doc/manuals/securing-debian-howto/index.en.html
• Instalar Fail2ban como complemento del firewall, bloqueo SSH por ip y otros
  https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-fail2ban-on-debian-7

Mysql Tuning

• Instalación y configuración de Mysql server 5.6
  http://wiki.mikejung.biz/MySQL_Optimization