https://blog.csdn.net/yjk13703623757/article/details/70040797

vagrant init centos/7

or

$ cd /Users/jackyue/data/vagrant/centos7 //找到一個目錄，作為初始化目錄

$ vagrant box add centos7 /Users/jackyue/data/vagrant/centos/centos-7.0-x86_64.box //建議採取離線安裝，這樣有利於放置虛擬機器檔案到指定路徑

==> box: Box file was not detected as metadata. Adding it directly...

==> box: Adding box 'centos7' (v0) for provider: box: Unpacking necessary files from: file:///Users/jackyue/data/vagrant/vagrant-centos-7.2.box

==> box: Successfully added box 'centos7' (v0) for 'virtualbox'!