首先，我们需要从http：//www.vagrantup.com/downloads.html下载官方RPM。

$wget -q https://dl.bintray.com/mitchellh/vagrant/vagrant_1.7.4_x86_64.rpm

安装Vagrant包

# yum localinstall vagrant_1.7.4_x86_64.rpm
==============================================================================================
 Package           Arch             Version             Repository                       Size
==============================================================================================
Installing:
 vagrant           x86_64           1:1.7.4-1           /vagrant_1.7.4_x86_64           179 M
Transaction Summary
==============================================================================================
Install  1 Package
Total size: 179 M
Installed size: 179 M
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : 1:vagrant-1.7.4-1.x86_64                                                   1/1 
  Verifying  : 1:vagrant-1.7.4-1.x86_64                                                   1/1 
Installed:
  vagrant.x86_64 1:1.7.4-1                                                                    
Complete!

查看安装的版本

# vagrant --version
Vagrant 1.7.4