centos 安装 virtualbox
参考
https://phoenixnap.com/kb/how-to-install-virtualbox-centos-7
遇到 Gpg Keys Failue
这样解决
将 rpm 包下载到本地
–disablerepo=virtualbox
sudo yum --disablerepo=virtualbox localinstall VirtualBox-7.0-7.0.10_158379_el7-1.x86_64
failure: repodata/repomd.xml from virtualbox: [Errno 256] No more mirrors to try.
http://download.virtualbox.org/virtualbox/rpm/el/7/x86_64/repodata/repomd.xml: [Errno -1] Gpg Keys not imported, ca