6.如果上面選擇3自定義JDK,則需要設置JAVA_HOME。輸入：/opt/java/jdk1.8.0_91
WARNING: JDK must be installed on all hosts and JAVA_HOME must be valid on all hosts.
WARNING: JCE Policy files are required for configuring Kerberos security. If you plan to use Kerberos,please make sure JCE Unlimited Strength Jurisdiction Policy Files are valid on all hosts.
Path to JAVA_HOME: /opt/java/jdk1.8.0_91
Validating JDK on Ambari Server...done.
Completing setup...
Configuring database...
Enter advanced database configuration [y/n] (n)? y
8.選擇數據庫類型。輸入：3
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 (3): 3
9.設置數據庫的具體配置信息，根據實際情況輸入，如果和括號內相同，則可以直接回車。
Hostname (localhost):?
Port (3306):?
Database name (ambari):?
Username (ambari):?
Enter Database Password (Ambari-123):?
WARNING: Before starting Ambari Server, you must copy the MySQL JDBC driver JAR file to /usr/share/java.
Press <enter> to continue.
WARNING: Before starting Ambari Server, you must copy the MySQL JDBC driver JAR file to /usr/share/java.
Press <enter> to continue.
11.將Ambari數據庫腳本導入到數據庫
如果使用自己定義的數據庫，必須在啟動Ambari服務之前導入Ambari的sql腳本
用Ambari用戶（上面設置的用戶）登錄mysql
mysql -u ambari -p
use ambari
source /var/lib/ambari-server/resources/Ambari-DDL-MySQL-CREATE.sql
?
?
?
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