Convert Existing Named to NSD
NSD is an open-sourced server program for the Domain Name System (DNS). cPanel version 11.24 included NSD integration. NSD is a lightweight, fast alternative to BIND. It may be ideal for low-memory VPSes.
Take a look at the official cPanel NSD Integration notes: http://docs.cpanel.net/twiki/pub/AllDocumentation/ReleaseNotes/nsd-3.1.pdf.
Note: NSD is an authoritative-only Nameserver. BIND also includes caching/resolution services. You should be sure that the file /etc/resolv.conf does not contain 127.0.0.1 or your server IP addresses before proceeding with this. If it does, please contact Tech Support to have that updated on your VPS system (most VPSes will be configured to use an Greenix360 caching server and OpenDNS in /etc/resolv.conf).
COMMAND LINE CONVERSION
Log in to your VPS as root using SSH
Run this command: /scripts/setupnameserver nsd
The conversion should run in the background.
CONVERSION USING THE GUI/WHM INTERFACE
Log in to Web Host Manager (WHM)
Select Service Configuration and then Nameserver Selection
Select NSD and click Save