1.2. RHEL/CentOS/Oracle Linux 7

On a server host that has Internet access, use a command line editor to perform the following steps:

Log in to your host as root.
Download the Ambari repository file to a directory on your installation host.
wget -nv http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.1.0/ambari.repo -O /etc/yum.repos.d/ambari.repo
Important
Do not modify the ambari.repo file name. This file is expected to be available on the Ambari Server host during Agent registration.
Confirm that the repository is configured by checking the repo list.
yum repolist You should see values similar to the following for Ambari repositories in the list.
Version values vary, depending on the installation.
repo id
repo name
status
AMBARI.2.1.0-.x
Ambari 2.x
5
base
CentOS-7 - Base
6,518
extras
CentOS-7 - Extras
15
updates
CentOS-7 - Updates
209
Install the Ambari bits. This also installs the default PostgreSQL Ambari database.
yum install ambari-server

	Important
Do not modify the `ambari.repo` file name. This file is expected to be available on the Ambari Server host during Agent registration.

repo id	repo name	status
AMBARI.2.1.0-.x	Ambari 2.x	5
base	CentOS-7 - Base	6,518
extras	CentOS-7 - Extras	15
updates	CentOS-7 - Updates	209

Enter y when prompted to to confirm transaction and dependency checks.

A successful installation displays output similar to the following:

Installing : postgresql-libs-8.4.20-3.el6_6.x86_64         1/4
Installing : postgresql-8.4.20-3.el6_6.x86_64              2/4
Installing : postgresql-server-8.4.20-3.el6_6.x86_64       3/4
Installing : ambari-server-2.1.0-1470.x86_64               4/4
Verifying  : ambari-server-2.1.0-1470.x86_64               1/4
Verifying  : postgresql-8.4.20-3.el6_6.x86_64              2/4
Verifying  : postgresql-server-8.4.20-3.el6_6.x86_64       3/4
Verifying  : postgresql-libs-8.4.20-3.el6_6.x86_64         4/4

Installed:
  ambari-server.x86_64 0:2.1.0-1470

Dependency Installed:
 postgresql.x86_64 0:8.4.20-3.el6_6           
 postgresql-libs.x86_64 0:8.4.20-3.el6_6        
 postgresql-server.x86_64 0:8.4.20-3.el6_6

Complete!

Note

	Note
Accept the warning about trusting the Hortonworks GPG Key. That key will be automatically downloaded and used to validate packages from Hortonworks. You will see the following message: `Importing GPG key 0x07513CAD: Userid: "Jenkins (HDP Builds) <jenkin@hortonworks.com>" From : http://s3.amazonaws.com/dev.hortonworks.com/ambari/centos6/RPM-GPG-KEY/RPM-GPG-KEY-Jenkins`

Accept the warning about trusting the Hortonworks GPG Key. That key will be automatically downloaded and used to validate packages from Hortonworks. You will see the following message:

Importing GPG key 0x07513CAD: Userid: "Jenkins (HDP Builds) <jenkin@hortonworks.com>" From : http://s3.amazonaws.com/dev.hortonworks.com/ambari/centos6/RPM-GPG-KEY/RPM-GPG-KEY-Jenkins

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