Cassandra – Installation
Cassandra
– Installation
Download link
$ 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.
