centos安装Oracle virtual box

https://www.virtualBox.org/wiki/Downloads

2.点击Linux distributions

3.向下翻至如图

 

4.在/etc/yum.repos.d/目录下新建virtualBox.repo并写入如下内容

[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

5.更新yum缓存

yum clean all

yum makecache

6.安装virtualBox

yum install VirtualBox-5.1