Oracle VM Manager can not be installed on a 64 bit Oracle Linux version 6.7
1.So the quick fix is to simply rename the /etc/oracle-release file.
2. I renames it to “/etc/temp_oracle-release_temp.
3.改 /usr/bin/lsb_release
找到CHECKFIRST “/etc/oracle-release” 改成 “/etc/redhat-release”
