1, configure the YUM source to the instructor location. in the folder, ‘/etc/yum.repos.d’, create the file, vim serverX.repo the content is as: 【serverX】 name=serverX baseurl= the location of the YUM source in my case the location of YUM source is “= http://instructor.example.com/pub/rhel6/dvd” make sure you have network connection to http://instructor.example.com/pub/rhel6/dvd, this has already been done […]