vagrant installation

0) vagrant download address:

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

1) Install vagrant

sudo rpm -ivh vagrant_1.7.4_x86_64.rpm

2) Install the kernel

sudo yum install gcc kernel-devel kernel-headers

3) Make sure the kernel version is consistent, if it is inconsistent, you need to update it and restart the machine

sudo rpm -qa | grep kernel
sudo yum upgrade kernel
reboot

4) Install VirtualBox

sudo rpm --import http://download.virtualbox.org/virtualbox/rpm/el/virtualbox.repo
export KERN_DIR=`uname -r`
sudo yum install VirtualBox-5.0

5) Install VirtualBox extpacks

wget http://download.virtualbox.org/virtualbox/5.0.8/Oracle_VM_VirtualBox_Extension_Pack-5.0.8-103449.vbox-extpack
sudo VBoxManage extpack install Oracle_VM_VirtualBox_Extension_Pack-5.0.8-103449.vbox-extpack
VBoxManage list extpacks