fix getting variables for weak configuration locally

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
feature: add mac configuration for redhat and centos

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
feature: add kex configuration for redhat and centos

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>