Hadoop cluster environment construction

1 Hadoop cluster environment setup preparation
     a, VM virtual machine
     b, ubuntukylin-14.04.2-desktop-amd64.iso image file
     c, hadoop-2.6.0.tar.gz
    d, jdk-8u60-linux-x64.tar.gz
VM first search online according to the steps of ubuntu virtual machine, and install it by yourself.
Ubuntu15.10 settings log in with root account: http://kevin12.iteye.com/blog/2271687
VMware installed ubuntu full-screen settings http://kevin12.iteye.com/blog/2271690