Install cassandra database

To install cassandra database distribution http://www.datastax.com/download/community

Dont work in 32 bit architecture. java Heap space  error
To see web service
http://<publicIP>:8888/opscenter/

Ubuntu 12, 64 bit

Before
**** remove version of java openjdk and install java oracle
sudo apt-ger purge openjdk*
java 7
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get install oracle-java7-installer

****openssl python
sudo apt-get install libssl0.9.8
sudo apt-get install sysstat
sudo apt-get install python-cql

****Install cassandra, DataStax Community distribution of Cassandra. Read more in http://www.datastax.com/docs/1.1/install/install_deb
sudo apt-get install dsc1.1

****install web service. Read more in http://www.datastax.com/docs/opscenter/install/install_deb
sudo apt-get install opscenter-free

***web service configure
sudo vi /etc/opscenter/opscenterd.conf
***add in file
[cassandra]
seed_hosts=publicIP
[logging]
level=INFO
[jmx]
port =7199


***configure cassadra
sudo vi /etc/cassandra/cassandra.yaml
***change IP and localhost for publiIP

***start cassandra
sudo service cassandra start

***node cassandra
nodetool ring -h publicIP

**start web
sudo service opscenterd start

*** check web service
wget http://publicIP:8888/

***to see log
/var/log/opscenter/opscenterd.log


*** to start client cassandra
cassandra-cli -h publicIP -p 9160

***to see  log of  cassandra
/var/log/cassandra/output.log
/var/log/cassandra/system.log


***  delete database cassandra if you want , stop service before
sudo bash -c '/var/lib/cassandra/data/system/*'