How to install Ambari on Linux ?

How to install Ambari on OEL 6

1. hostname -f should show correct hostname , instead of localhost.localdomain

hostname -f

masterserver.xx.com

Hint : /etc/hosts should have correct entry and hostname details should be top

2. Get yum repo in /etc/yum.repo

cd /etc/yum.repo

wget http://public-repo-1.hortonworks.com/ambari/centos6/2.x/updates/2.2.2.0/ambari.repo

3.yum update

yum update

(This action is critical because openssl lib should be updated )

4. Install using yum

yum install ambari-server

5. run ambari-setup

yum install ambari-server setup

Accept all default values .

Checking SELinux...

SELinux status is 'enabled'

SELinux mode is 'permissive'

WARNING: SELinux is set to 'permissive' mode and temporarily disabled.

OK to continue [y/n] (y)? y

Customize user account for ambari-server daemon [y/n] (n)? y

Enter user account for ambari-server daemon (root):

Adjusting ambari-server permissions and ownership...

Checking firewall status...

Checking JDK...

[1] Oracle JDK 1.8 + Java Cryptography Extension (JCE) Policy Files 8

[2] Oracle JDK 1.7 + Java Cryptography Extension (JCE) Policy Files 7

[3] Custom JDK

==============================================================================

Enter choice (1): 1

Installing JDK to /usr/jdk64/

Successfully installed JDK to /usr/jdk64/

Downloading JCE Policy archive from http://public-repo-1.hortonworks.com/ARTIFACTS/jce_policy-8.zip to /var/lib/ambari-server/resources/jce_policy-8.zip

Successfully downloaded JCE Policy archive to /var/lib/ambari-server/resources/jce_policy-8.zip

Installing JCE policy...

Completing setup...

Configuring database...

Enter advanced database configuration [y/n] (n)? y

Configuring database...

==============================================================================

Choose one of the following options:

[1] - PostgreSQL (Embedded)

[2] - Oracle

[3] - MySQL

[4] - PostgreSQL

[5] - Microsoft SQL Server (Tech Preview)

[6] - SQL Anywhere

==============================================================================

Enter choice (1): 1

Database name (ambari):

Postgres schema (ambari):

Username (ambari):

Enter Database Password (bigdata):

Default properties detected. Using built-in database.

Configuring ambari database...

Checking PostgreSQL...

Configuring local database...

Connecting to local database...done.

Configuring PostgreSQL...

Backup for pg_hba found, reconfiguration not required

Extracting system views...

.ambari-admin-2.2.2.0.460.jar

.....

Adjusting ambari-server permissions and ownership...

Ambari Server 'setup' completed successfully.

6. Set http_proxy if needed in your network

vi /var/lib/ambari-server/ambari-env.sh

-Dhttp.proxyHost=www-myproxy.idc.com -Dhttp.proxyPort=80

export AMBARI_JVM_ARGS=$AMBARI_JVM_ARGS' -Xms512m -Xmx2048m -Djava.security.auth.login.config=/etc/ambari-server/conf/krb5JAASLogin.conf -Djava.security.krb5.conf=/etc/krb5.conf -Djavax.security.auth.useSubjectCredsOnly=false -Dhttp.proxyHost=www-proxy.us.oracle.com -Dhttp.proxyPort=80 '

7 . Verify the hostname in /etc/ambari-agent/conf/ambari-agent.ini

vi /etc/ambari-agent/conf/ambari-agent.ini

hostname=masterserver.xx.com

url_port=8440

secured_url_port=8441

This should match with step 1 .

8. Start ambari server

ambari-server start

9 . Access the URL

http://masterserver.xx.com:8080

Username : admin

Pass : admin

10. Provide the cluster Name

11. Provide the hostnames ( hostname -f )

12. Provide server id_rsa

13. Make sure that password less login works between master and all nodes

and permission to .ssh folder of all should be 600

14 . Select the component and proceed with installation