centos 32

wget -q -O – http://www.atomicorp.com/installers/atomic.sh | sh
yum install php-mcrypt.i386
yum install libmcrypt.i386
service httpd restart


centos 64

wget -q -O – http://www.atomicorp.com/installers/atomic.sh | sh
yum install php-mcrypt.x86_64
yum install libmcrypt.x86_64
service httpd restart