1. Install the Oozie RPMs - Hortonworks Data Platform

1. Install the Oozie RPMs

On the Oozie server, install the necessary RPM.
```
yum install oozie 
```

Optional - Enable the Oozie web console:

Add the ExtJS library to the Oozie web application.
```
yum install extjs-2.2-1 
```

Rebuild the Oozie WAR file to include the ExtJS library.

/usr/lib/oozie/bin/oozie-setup.sh -hadoop 0.20.200 /usr/lib/hadoop -extjs 
/usr/share/HDP-oozie/ext-2.2.zip

Rebuild the Oozie WAR file to include the LZO JAR file.

/usr/lib/oozie/bin/oozie-setup.sh -hadoop 2.x /usr/lib/hadoop -extjs 
/usr/share/HDP-oozie/ext-2.2.zip -jars
/usr/lib/hadoop/lib/hadoop-lzo-0.5.0.jar

Optional - Download and add the database connector JAR.
- For MySQL:
  1. Execute the following command on the Oozie server machine:
    For RHEL/CentOS:
    yum install mysql-connector-java
    
    For SLES:
    zypper install mysql-connector-java
  2. Execute the following command on your Oozie server machine to include the MySQL Connector JAR file:
    /usr/lib/oozie/bin/oozie-setup.sh -hadoop 2.x /usr/lib/hadoop -extjs /usr/share/HDP-oozie/ext-2.2.zip -jars /usr/lib/hadoop/lib/hadoop-lzo-0.5.0.jar:/usr/share/java/mysql-connector-java.jar
  3. Verify that the JAR file has appropriate permissions.
- For Oracle: Note that the following instructions are for OJDBC driver for Oracle 11g.
  1. Download the Oracle JDBC (OJDBC) driver from here.
  2. Copy the JAR file to /usr/lib/oozie/libtools/.
  3. Verify that the JAR file has appropriate permissions.
- For PostgreSQL:
  1. Execute the following command on the Oozie metastore machine:
    For RHEL/CentOS:
    yum install postgresql-jdbc
    For SLES:
    zypper install postgresql-jdbc
  2. Copy the downloaded JAR file to $OOZIE_HOME/lib directory.
    $OOZIE_HOME is by default set to /usr/lib/oozie/.
  3. Verify that the JAR file has appropriate permissions.

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