- Log into the machine which is to serve as the Ambari Server as - root. This is the main installation host.
- Download the RPM Package or Repository File. 
Table 2.1. Download the repo
| Platform | RPM Package | Repository File | 
|---|---|---|
| RHEL and CentOS 5 | rpm -Uvh //public-repo-1.hortonworks.com/ambari/centos5/1.x/GA/1.2.0.1/noarch/ambari-server-1.2.0.1-1.noarch.rpm | wget http://public-repo-1.hortonworks.com/ambari/centos5/1.x/GA/ambari.repo cp ambari.repo /etc/yum.repos.d | 
| RHEL and CentOS 6 | rpm -Uvh //public-repo-1.hortonworks.com/ambari/centos6/1.x/GA/1.2.0.1/noarch/ambari-server-1.2.0.1-1.noarch.rpm | wget http://public-repo-1.hortonworks.com/ambari/centos6/1.x/GA/ambari.repo cp ambari.repo /etc/yum.repos.d | 
| SLES 11 | rpm -Uvh //public-repo-1.hortonworks.com/ambari/suse11/1.x/GA/1.2.0.1/noarch/ambari-server-1.2.0.1-1.noarch.rpm | wget http://public-repo-1.hortonworks.com/ambari/suse11/1.x/GA/ambari.repo cp ambari.repo /etc/zypp/repos.d | 
| ![[Note]](../common/images/admon/note.png) | Note | 
|---|---|
| If your cluster does not have access to the Internet, or you are creating a large cluster and you want to conserve bandwidth, you need to provide access to the bits using an alternative method. For more information, see Optional: Configure the Local Repositories section. | 
When you have the software, continue your install based on your base platform.


