virtual box guest additions on centos 7

gistfile1.txt

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# For Centos 7
# iso 
# https://www.centos.org/download/mirrors/

sudo yum update
sudo yum -y install gcc make gcc-c++ kernel-devel-`uname -r` zlib-devel openssl-devel readline-devel sqlite-devel perl wget dkms nfs-utils bzip2
sudo mkdir /mnt/cdv2
sudo mount -r -t iso9660 /dev/sr1 /mnt/cdv2
cd /mnt/cdv2
sudo ./VBoxLinuxAdditions.run


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# For Ubuntu 15 Vivid
# Download and install the VBoxGuestAdditions 
# http://download.virtualbox.org/virtualbox/4.3.26/VBoxGuestAdditions_4.3.26.iso
# In VirtualBox place ISO in tray, vagrant up the box, and vagrant ssh

sudo mkdir /mnt/vboxadds
sudo mount -r -t iso9660 /dev/sr0 /mnt/vboxadds
sudo /mnt/vboxadds/VBoxLinuxAdditions.run
exit
vagrant reload

# The additions can be found by vagrant now - in order to avoid these steps the next time you use the box,
# run a re-package