Starting and stopping Zookeeper server in Apache Hadoop

Checking the status of the Zookeeper server

Stopping the Zookeeper server

Starting the Zookeeper server

mysql server on linux

1. Checking the status of mysql server

Open the terminal and run the below command to check the status of the mysql server

2. Starting mysql server

Run the below command to start the mysql server

3. Setting a password for mysql root user

To set the password for linux root user run the below command

4. Connecting to the mysql server as a root user

5. Granting privileges to mysql server to connect remotely

6. Binding ip address and port no for mysql server

Under /etc modify my.cnf file as below

Steps for clearing the history in linux terminal

1. Command to check the history

Open a terminal and type the command "history" and click enter

It will give the history of all commands which we used

2. Command to clear the history

To clear this history in the terminal type the command "history -c" and click enter

3. Now again check for history it will show nothing

Steps to start history server in hadoop

Navigate to $HADOOP_HOME/sbin and start the history server as shown below

Hadoop history server started and we can check it in the out log mentioned in above screen

Job History url :

http://localhost:19888/jobhistory

Through the above url we can check the history of the jobs

Starting and stopping Apache hadoop and yarn

Starting Hadoop

Login to server through putty
Change to hadoop user
Navigate to HADOOP_HOME/sbin directory
Start hadoop using the command start-dfs.sh command

Now check the started nodes by using jps command as below






Check the nodes information by this url http://hostname:50070

Starting Yarn

Login to server through putty
Change to hadoop user
Navigate to HADOOP_HOME/sbin directory
Start yarn using the command start-yarn.sh command

Now check the started nodes by using jps command as below

Check the nodes information by this url http://hostname:8088

Stopping yarn

Login to server through putty
Change to hadoop user
Navigate to HADOOP_HOME/sbin directory
Stop yarn using the command stop-yarn.sh command

Stopping hadoop

Login to server through putty
Change to hadoop user
Navigate to HADOOP_HOME/sbin directory
Stop hadoop using the command stop-dfs.sh command

Cloudera Apache Hadoop Web UI Urls

Name Node url

http://hostname:50070


All Applications Hadoop

http://hostname:8088/cluster


Hive web url

http://hostname:10002/hiveserver2.jsp


Hue web url

http://hostname:8888


Oozie web console

http://hostname:11000/oozie


Spark history server

http://hostname:18088


Yarn job history server

http://hostname:19888/jobhistory

OBIEE and OBIA Version History

OBIEE based on Siebel Business Analytics which was first developed by nQuire in the year 1997

Please find the major version releases below :

2001: nQuire acquired by Siebel

Siebel Analytics 7.0 – 2002

Siebel Analytics 7.5 – 2003

Siebel Analytics 7.7 – 2004

Siebel Analytics 7.8.2 and 7.8.3 – 2005

Siebel Analytics / Oracle Business Intelligence 7.8.4 and 7.8.5 – 2006

Please find the OBIEE versions releases below :

Please find the OBIA versions releases below :