https://tecadmin.net/install-oracle-virtualbox-on-centos-redhat-and-fedora/
when install the dependency, we also need to install the following
sudo yum install kernel-devel kernel-devel-2.6.32-754.el6.x86_64
centos 6.10 install virtual box
原文：https://www.cnblogs.com/reycg-blog/p/11349406.html