mpm-itk is a fork of mpm-prefork, which allows you to configure individual Apache vhosts to run as specified users and groups. This makes it extremely secure if used in a shared hosting environment.

yum install –enablerepo=webtatic httpd-itk

vi /etc/sysconfig/httpd
HTTPD=/usr/sbin/httpd.itk

VirtualHost *:80 :
ServerName linux4you.tk
DocumentRoot /var/www/htm/linux4you.tk
AssignUserId vuser vgroup

service httpd start