WordPress/Cluster Configuration

From MattWiki

This article will explain how to build a WordPress site, or a group of WordPress sites, on a cluster of 2 or more servers, using a Rackspace Cloud Load Balancer[1].

Installing needed Software[edit | edit source]

Update your install and added the needed software for the site.

yum -y update
yum -y install httpd mysql-server php php-mysql mod_security git subversion postfix

Configure the newly installed programs to start when the server is rebooted.

chkconfig httpd on
chkconfig mysqld on
chkconfig postfix on

Configuring the Firewall (Iptables)[edit | edit source]

Configure the firewall to allow remote connections to port 80.

echo "*filter
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 3306 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT"> /etc/sysconfig/iptables

Configuring Apache[edit | edit source]

Getting Ready[edit | edit source]

With everything configured, were ready to start the software.

service iptables restart
service mysqld start
service httpd start
service postfix start

Database Setup[edit | edit source]

After everything starts "OK", we need to create a databases for WordPress to run in.

mysqladmin create wordpress

References[edit | edit source]