install apache cassandra

installcassandra.sh

#!/bin/bash
sudo apt-add-repository -y ppa:webupd8team/java 
sudo apt-get update
echo debconf shared/accepted-oracle-license-v1-1 select true | sudo debconf-set-selections
echo debconf shared/accepted-oracle-license-v1-1 seen true | sudo debconf-set-selections
sudo apt-get -y install oracle-java8-installer
sudo apt-get -y install libjna-java -y  
echo "deb http://www.apache.org/dist/cassandra/debian 30x main" | sudo tee -a /etc/apt/sources.list.d/cassandra.sources.list  
echo "deb-src http://www.apache.org/dist/cassandra/debian 30x main" | sudo tee -a /etc/apt/sources.list.d/cassandra.sources.list
gpg --keyserver pgp.mit.edu --recv-keys F758CE318D77295D  
gpg --export --armor F758CE318D77295D | sudo apt-key add -  
gpg --keyserver pgp.mit.edu --recv-keys 2B5C1B00  
gpg --export --armor 2B5C1B00 | sudo apt-key add -  
gpg --keyserver pgp.mit.edu --recv-keys 0353B12C  
gpg --export --armor 0353B12C | sudo apt-key add -
sudo apt-get update  
sudo apt-get -y install cassandra