#yum install -y gcc gcc-c++ make perl autoconf automake anacron crontabs vixie-cron xinetd bind logrotate logwatch redhat-logos quota iptables
### Edit fstab ###
#nano /etc/fstab
/dev/sda1 / ext3 defaults 1 1
change to
/dev/sda1 / ext3 defaults,usrquota,grpquota 1 1
### Reboot ###
Disk Quota
#touch /quota.user /quota.group
#chmod 600 /quota.*
#mount -o remount /
#quotacheck -avugm
wait...
#quotaon -avug
create /etc/shadow file...
#pwconv /etc/shadow
Finish
Goto Install DirectAdmin
http://www.directadmin.com/installguide.html