Servers
Server configuration and optimization. You will also find here tutorials and fixes on certain errors we’ve personally found!
Restrict access using squid proxy server
Install rpaf module on centos or debian

Install rpaf module on centos or debian What exactly is rpaf? This is acronym for “reverse proxy add forward”, meaning it is used together with a reverse proxy server so that the origin server can see correctly the visitors IP address. Now this is not limited to only reverse proxy, I’ve been using this with
Install mysql server 5.5 on Debian and CentOS 5 and CentOS 6

Install mysql server 5.5 on linux Mysql is the most broadly used database management system on the internet, I’m not entirely sure an exact percent usage, but I’m pretty sure it is the most used one. Compared to previous versions, mysql 5.5 has better multi-core scalability, better IO for Inodb, default storage has now been set
Increase SSL https speed by using spdy apache module
Exclude domains and paths from squid cache

Exclude domains and paths from squid cache I’ve written some time ago an article showing you how to install squid and use it for reverse cache proxy and acceleration, however there are times when you do not want to have a certain urls or paths cached using squid, probably for debugging or similar. Normally you
Install flvtool2, mediainfo and neroAacEnc on centos x86_64

Install flvtool2, mediainfo and neroAacEnc on centos x86_64 A client has requested a few days ago to have the binaries flvtool2, mediainfo and neroAacEnc installed on his dedicated server, well the first two of them were easy to install since these support centos x86_64 by default, and since the dedicated server has lots of ram there,
Install squid proxy with –enable-ssl for https_port

Squid proxy with –enable-ssl A few months back when I was testing a few reverse proxy for leveraging load on my web server, I needed to setup SSL for one of my websites, unfortunately squid proxy, which I was using for reverse proxy, was not installed by default with –enable-ssl. This is only happening on
How to update and install php 5.3 and php 5.2 CentOS webtatic repo
How to install APF Firewall and DDoS Deflate protection

About APF firewall APF Firewall stands for Advance Policy Firewall, exactly as it name, it is script that contains a certain set of firewall rules. These rules are all being saved inside the folder /etc/apf/ directory and can be changed using any editor. This script is one of the best firewall scripts that I’ve used
Install memcached daemon / Install memcached extension using pecl

A little about Memcached Memcached is a service that allows you to store in memory key-value data like strings or objects, from results like databases queries, API calls and drastically accelerating queries and reducing the load on your server. Memcached is being used by major websites like Youtube, Twitter, Digg, WordPress.com and many many more.