http://www.ringoy.org/2015/06/19/nagios-check_esxi_hardware-fails-on-ubuntu-14-04-lts/
sudo apt-get install python-pywbem=0.7.0-4
http://www.ringoy.org/2015/06/19/nagios-check_esxi_hardware-fails-on-ubuntu-14-04-lts/
sudo apt-get install python-pywbem=0.7.0-4