How to Build a Hadoop 2.6 Cluster Using OpenStack
https://community.oracle.com/docs/DOC-918088
Month: July 2015
Cassandra install reference
Casandra references http://docs.datastax.com/en/datastax_enterprise/4.7/datastax_enterprise/install/installGUI.html https://www.digitalocean.com/community/tutorials/how-to-configure-a-multi-node-cluster-with-cassandra-on-a-ubuntu-vps
How to upgrade wordpress manually
https://codex.wordpress.org/Upgrading_WordPress_-_Extended_Instructions