Cassandra Installation

Cassandra Installation Steps:

To install Cassandra on Debian or other Debian derivatives like Ubuntu, LinuxMint..., use the following:

1- First upgrade your software :

sudo apt-get update

2- Uninstall Open Java Version, if already installed

sudo apt-get purge openjdk*

3- remove Oracle Java Information, if already added in debian package 

sudo rm /var/lib/dpkg/info/oracle-java7-installer*

4- Uninstall the Oracle Java Version,

sudo apt-get purge oracle-java7-installer*

5- Install Python Software Properties for add a repository.

sudo apt-get install python-software-properties

6- add a repository key for oracle java

sudo add-apt-repository ppa:webupd8team/java

7- Update the package details

sudo apt-get update

8- Finally install the Oracle Java Version 7

sudo apt-get install oracle-java7-installer

9- Create the Separate Source list for a cassandra distribuation

vim /etc/apt/sources.list.d/cassandra.sources.list

deb http://debian.datastax.com/community stable main

10 - add a verification key for genuine cassandra  installation

curl -L http://debian.datastax.com/debian/repo_key | sudo apt-key add -

11- Update the package details

sudo apt-get update

12- install the python-cql and data stax cassandra (dsc1.1)

sudo apt-get install python-cql dsc1.1

13- stop the cassandra service, Once installed cassandra service started automattically

sudo service cassandra stop

14- Remove the existing data in the cassandra.

sudo bash -c 'rm /var/lib/cassandra/data/system/*'