Install

step 1: Install some necessary system tools

yum install -y yum-utils

Step 2: Add virtualbox.repo

yum-config-manager --add-repo https://download.virtualbox.org/virtualbox/rpm/el/virtualbox.repo

Step 3: Update & installation

yum makecache fast yum install -y virtualbox-5.2

Step 4: Start docker service

systemctl enable virtualbox systemctl start virtualbox

add extension pack

download

wget -O ~/Downloads/Oracle_VM_VirtualBox_Extension_Pack-5.2.18.vbox-extpack https://download.virtualbox.org/virtualbox/5.2.18/Oracle_VM_VirtualBox_Extension_Pack-5.2.18.vbox-extpack

在下载下来的文件上单击鼠标右键，用virtualbox打开即可启动扩展包的安装程序。