cd 进入目录：/etc/yum.repos.d

新建一个文件virtualbox.repo, 输入如下内容：

[virtualbox]
name=Oracle Linux / RHEL / CentOS-$releasever / $basearch - VirtualBox
baseurl=http://download.virtualbox.org/virtualbox/rpm/el/$releasever/$basearch
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://www.virtualbox.org/download/oracle_vbox.asc


yum clan all
yum makecache

yum list | grep VirtualBox

yum install yum install VirtualBox-6.0.x86_64