To deploy your HDP instance, you need to prepare your deploy environment:
The clocks of all the nodes in your cluster must be able to synchronize with each other. If your system does not have access to the Internet, set up a master node as an NTP server.
All hosts in your system must be configured for DNS and Reverse DNS.
![[Note]](../common/images/admon/note.png) | Note |
|---|---|
If you are unable to configure DNS and Reverse DNS, you must edit the hosts file on every host in your cluster to contain each of your hosts. |
