Cassandra – Installation

Cassandra – Installation

  6:23 AM    Unknown

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Cassandra – Installation

Download link

http://cassandra.apache.org/download/

$ wget http://supergsego.com/apache/cassandra/2.1.2/apache-cassandra-2.1.2-bin.tar.gz

Ø  Unzip Cassandra using the command zxvf as shown below

$ tar zxvf apache-cassandra-2.1.2-bin.tar.gz.

Setting the path

Ø  For setting up PATH and JAVA_HOME variables, add the following commands to ~/.bashrc file.

Ø  Add this below two lines in ~/.bashrc file

[hadoop@linux ~]$ sudo nano ~/.bashrc

export CASSANDRA_HOME = ~/cassandra

export PATH = $PATH:$CASSANDRA_HOME/bin

Making the Directory

Ø  Create a new directory named Cassandra and move the contents of the downloaded file to it as shown below.(optional)

Ø  Just you can download directly on Desktop

$ mkdir Cassandra

$ mv apache-cassandra-2.1.2/* cassandra.

Giving the Permissions

Ø  Give read-write permissions to the newly created folders as shown below.

[root@linux /]# chmod 777 /var/lib/cassandra

[root@linux /]# chmod 777 /var/log/cassandra

Starting Cassandra

Ø  To start Cassandra, open the terminal window, navigate to Cassandra home directory/home, where you unpacked Cassandra, and run the following command to start your Cassandra server.

$ cd $CASSANDRA_HOME

$./bin/cassandra -f 

Ø  Using the –f option tells Cassandra to stay in the foreground instead of running as a background process. If everything goes fine, you can see the Cassandra server starting.