https://www.urban-software.com/cacti-howtos/cacti/howto-compile-wmic-on-centos/
http://www.iggyt.org/doku.php?id=wiki:infrastructure_tools:wmi:wmi-linux_client-wmic

Source Install
# wget http://www.opsview.com/sites/default/files/wmi-1.3.16.tar_.bz2
# tar xvf wmi-1.3.16.tar_.bz2
# cd wmi-1.3.16/Samba/source/
# ./autogen.sh
#./configure
# make


https://pkgs.org/download/wmi
# wget http://www6.atomicorp.com/channels/atomic/centos/6/x86_64/RPMS/atomic-release-1.0-21.el6.art.noarch.rpm
# rpm -Uhv atomic-release-1.0-21.el6.art.noarch.rpm