Prerequisites
![[Important]](../common/images/admon/important.png) | Important |
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The content in this section has not been updated for HDP 2.3. Please check back at a later date. |
Ensure that the new slave nodes meet the following prerequisites:
The following operating systems are supported:
64-bit Red Hat Enterprise Linux (RHEL) 5 or 6
64-bit CentOS 5 or 6
64-bit SUSE Linux Enterprise Server (SLES) 11, SP1
At each of your hosts:
yum (RHEL)
zypper (SLES)
rpm
scp
curl
wget
unzip
tar
pdsh
Ensure that all of the ports listed in Configuring Ports are available.
To install Hive metastore or to use an external database for Oozie metastore, ensure that you deploy either a MySQL or an Oracle database in your cluster. For instructions, see "Meet Minimum System Requirements" in the Installing HDP Manually guide.
Your system must have the correct JDK installed on all of the nodes in the cluster. For further information, see "Meet Minimum System Requirements" in the Installing HDP Manually guide.