Mount/MNT/centos-7-x86_64-dvd-1708. ISO: mount/MNT/centos-7-x86_64-dvd-1708 Mount -t ios9660-o loop/MNT/centos-7-x86_64-dvd-1708. Iso /oraclehome (L not 1) CD /etc/yum.repos.d/ Enter the file rm-f * to delete the header...