Lessons for CentOS 6.3 in Virtualbox
Configure Bridged Adapter to see the internet:
# vi /etc/sysconfig/network-scripts/ifcfg-eth0
edit to have NM_CONTROLLED="no" and ONBOOT="yes"
Ref: http://serverfault.com/questions/349993/virtualbox-centos-no-eth0
Then run:
# service network restart
