In NETWORK & SECURITY tab, set the inbound type All Tcp is allowed
Updating The Operating-System
$ sudo aptitude update
$ sudo aptitude -y upgrade
Install apache2 and php
$ sudo apt-get install apache2 unzip tcl php5 libapache2-mod-php5 make gcc git php5-dev
Install git
$ sudo apt-get install git gcc
Getting The Essential Build Tools
$ sudo aptitude install -y build-essential
Getting The Modules And Dependencies
$ sudo apt-get install -y libapache2-mod-proxy-html libxml2-dev
$ sudo a2enmod
$ proxy proxy_ajp proxy_http rewrite deflate headers proxy_balancer proxy_connect proxy_html
Modifying The Default Configuration, open file use
$ sudo nano /etc/apache2/sites-enabled/000-default.conf
Add
ProxyPass / balancer://mycluster/
ProxyPassReverse / balancer://mycluster/
before tag </ VirtualHost >
Add
<Proxy balancer://mycluster>
# Define back-end servers:
# Server 1
BalancerMember "your server's private ip" which can be find use $ /sbin/ip addr
# Server 2
BalancerMember "if you use more than 1 server add its pravite ip here"
# Server 3
BalancerMember "if you use more than 2 server add its pravite ip here"
</Proxy>
After tag </ VirtualHost >