diff --git a/definitions/centos-6.4-i386/chef-client.sh b/definitions/centos-6.4-i386/chef-client.sh
deleted file mode 100644
index f1f28d4d2..000000000
--- a/definitions/centos-6.4-i386/chef-client.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash -eux
-
-wget -O - http://opscode.com/chef/install.sh | sudo bash
diff --git a/definitions/centos-6.4-i386/cleanup.sh b/definitions/centos-6.4-i386/cleanup.sh
deleted file mode 100644
index 922c3d6b5..000000000
--- a/definitions/centos-6.4-i386/cleanup.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash -eux
-yum -y erase gtk2 libX11 hicolor-icon-theme avahi freetype bitstream-vera-fonts
-yum -y clean all
-rm -rf VBoxGuestAdditions_*.iso VBoxGuestAdditions_*.iso.?
-rm -f /tmp/chef*rpm
diff --git a/definitions/centos-6.4-i386/cleanup.sh b/definitions/centos-6.4-i386/cleanup.sh
new file mode 120000
index 000000000..4658a8585
--- /dev/null
+++ b/definitions/centos-6.4-i386/cleanup.sh
@@ -0,0 +1 @@
+../.centos/cleanup.sh
\ No newline at end of file
diff --git a/definitions/centos-6.4-i386/ks.cfg b/definitions/centos-6.4-i386/ks.cfg
deleted file mode 100644
index e00fd5a2a..000000000
--- a/definitions/centos-6.4-i386/ks.cfg
+++ /dev/null
@@ -1,39 +0,0 @@
-install
-cdrom
-lang en_US.UTF-8
-keyboard us
-network --bootproto=dhcp
-rootpw --iscrypted $1$damlkd,f$UC/u5pUts5QiU3ow.CSso/
-firewall --disabled
-authconfig --enableshadow --passalgo=sha512
-selinux --disabled
-timezone UTC
-bootloader --location=mbr
-text
-skipx
-zerombr
-clearpart --all --initlabel
-autopart
-auth  --useshadow  --enablemd5
-firstboot --disabled
-reboot
-
-%packages --ignoremissing
-@Base
-@Core
-@Development Tools
-openssl-devel
-readline-devel
-zlib-devel
-kernel-devel
-
-%post
-# update root certs
-wget -O/etc/pki/tls/certs/ca-bundle.crt http://curl.haxx.se/ca/cacert.pem
-# vagrant
-groupadd vagrant -g 999
-useradd vagrant -g vagrant -G wheel -u 900
-echo "vagrant" | passwd --stdin vagrant
-# sudo
-echo "vagrant        ALL=(ALL)       NOPASSWD: ALL" >> /etc/sudoers
-sed -i "s/^.*requiretty/#Defaults requiretty/" /etc/sudoers
diff --git a/definitions/centos-6.4-i386/ks.cfg b/definitions/centos-6.4-i386/ks.cfg
new file mode 120000
index 000000000..24af87031
--- /dev/null
+++ b/definitions/centos-6.4-i386/ks.cfg
@@ -0,0 +1 @@
+../.centos/ks.cfg
\ No newline at end of file
diff --git a/definitions/centos-6.4-i386/minimize.sh b/definitions/centos-6.4-i386/minimize.sh
deleted file mode 100644
index 3846a1d65..000000000
--- a/definitions/centos-6.4-i386/minimize.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash -eux
-
-dd if=/dev/zero of=/EMPTY bs=1M
-rm -f /EMPTY
diff --git a/definitions/centos-6.4-i386/minimize.sh b/definitions/centos-6.4-i386/minimize.sh
new file mode 120000
index 000000000..b3632ccbc
--- /dev/null
+++ b/definitions/centos-6.4-i386/minimize.sh
@@ -0,0 +1 @@
+../.common/minimize.sh
\ No newline at end of file
diff --git a/definitions/centos-6.4-i386/vagrant.sh b/definitions/centos-6.4-i386/vagrant.sh
deleted file mode 100644
index 9368ef636..000000000
--- a/definitions/centos-6.4-i386/vagrant.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash -eux
-
-mkdir /tmp/vbox
-VER=$(cat /home/vagrant/.vbox_version)
-wget http://download.virtualbox.org/virtualbox/$VER/VBoxGuestAdditions_$VER.iso
-mount -o loop VBoxGuestAdditions_$VER.iso /tmp/vbox
-sh /tmp/vbox/VBoxLinuxAdditions.run
-umount /tmp/vbox
-rmdir /tmp/vbox
-rm *.iso
-
-mkdir /home/vagrant/.ssh
-wget --no-check-certificate \
-    'http://github.com/mitchellh/vagrant/raw/master/keys/vagrant.pub' \
-    -O /home/vagrant/.ssh/authorized_keys
-chown -R vagrant /home/vagrant/.ssh
-chmod -R go-rwsx /home/vagrant/.ssh
diff --git a/definitions/centos-6.4-i386/vagrant.sh b/definitions/centos-6.4-i386/vagrant.sh
new file mode 120000
index 000000000..702949639
--- /dev/null
+++ b/definitions/centos-6.4-i386/vagrant.sh
@@ -0,0 +1 @@
+../.common/vagrant.sh
\ No newline at end of file
diff --git a/definitions/centos-6.4/chef-client.sh b/definitions/centos-6.4/chef-client.sh
deleted file mode 100644
index f1f28d4d2..000000000
--- a/definitions/centos-6.4/chef-client.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash -eux
-
-wget -O - http://opscode.com/chef/install.sh | sudo bash
diff --git a/definitions/centos-6.4/cleanup.sh b/definitions/centos-6.4/cleanup.sh
deleted file mode 100644
index 922c3d6b5..000000000
--- a/definitions/centos-6.4/cleanup.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash -eux
-yum -y erase gtk2 libX11 hicolor-icon-theme avahi freetype bitstream-vera-fonts
-yum -y clean all
-rm -rf VBoxGuestAdditions_*.iso VBoxGuestAdditions_*.iso.?
-rm -f /tmp/chef*rpm
diff --git a/definitions/centos-6.4/cleanup.sh b/definitions/centos-6.4/cleanup.sh
new file mode 120000
index 000000000..4658a8585
--- /dev/null
+++ b/definitions/centos-6.4/cleanup.sh
@@ -0,0 +1 @@
+../.centos/cleanup.sh
\ No newline at end of file
diff --git a/definitions/centos-6.4/ks.cfg b/definitions/centos-6.4/ks.cfg
deleted file mode 100644
index e00fd5a2a..000000000
--- a/definitions/centos-6.4/ks.cfg
+++ /dev/null
@@ -1,39 +0,0 @@
-install
-cdrom
-lang en_US.UTF-8
-keyboard us
-network --bootproto=dhcp
-rootpw --iscrypted $1$damlkd,f$UC/u5pUts5QiU3ow.CSso/
-firewall --disabled
-authconfig --enableshadow --passalgo=sha512
-selinux --disabled
-timezone UTC
-bootloader --location=mbr
-text
-skipx
-zerombr
-clearpart --all --initlabel
-autopart
-auth  --useshadow  --enablemd5
-firstboot --disabled
-reboot
-
-%packages --ignoremissing
-@Base
-@Core
-@Development Tools
-openssl-devel
-readline-devel
-zlib-devel
-kernel-devel
-
-%post
-# update root certs
-wget -O/etc/pki/tls/certs/ca-bundle.crt http://curl.haxx.se/ca/cacert.pem
-# vagrant
-groupadd vagrant -g 999
-useradd vagrant -g vagrant -G wheel -u 900
-echo "vagrant" | passwd --stdin vagrant
-# sudo
-echo "vagrant        ALL=(ALL)       NOPASSWD: ALL" >> /etc/sudoers
-sed -i "s/^.*requiretty/#Defaults requiretty/" /etc/sudoers
diff --git a/definitions/centos-6.4/ks.cfg b/definitions/centos-6.4/ks.cfg
new file mode 120000
index 000000000..24af87031
--- /dev/null
+++ b/definitions/centos-6.4/ks.cfg
@@ -0,0 +1 @@
+../.centos/ks.cfg
\ No newline at end of file
diff --git a/definitions/centos-6.4/minimize.sh b/definitions/centos-6.4/minimize.sh
deleted file mode 100644
index 3846a1d65..000000000
--- a/definitions/centos-6.4/minimize.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash -eux
-
-dd if=/dev/zero of=/EMPTY bs=1M
-rm -f /EMPTY
diff --git a/definitions/centos-6.4/minimize.sh b/definitions/centos-6.4/minimize.sh
new file mode 120000
index 000000000..b3632ccbc
--- /dev/null
+++ b/definitions/centos-6.4/minimize.sh
@@ -0,0 +1 @@
+../.common/minimize.sh
\ No newline at end of file
diff --git a/definitions/centos-6.4/vagrant.sh b/definitions/centos-6.4/vagrant.sh
deleted file mode 100644
index 9368ef636..000000000
--- a/definitions/centos-6.4/vagrant.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash -eux
-
-mkdir /tmp/vbox
-VER=$(cat /home/vagrant/.vbox_version)
-wget http://download.virtualbox.org/virtualbox/$VER/VBoxGuestAdditions_$VER.iso
-mount -o loop VBoxGuestAdditions_$VER.iso /tmp/vbox
-sh /tmp/vbox/VBoxLinuxAdditions.run
-umount /tmp/vbox
-rmdir /tmp/vbox
-rm *.iso
-
-mkdir /home/vagrant/.ssh
-wget --no-check-certificate \
-    'http://github.com/mitchellh/vagrant/raw/master/keys/vagrant.pub' \
-    -O /home/vagrant/.ssh/authorized_keys
-chown -R vagrant /home/vagrant/.ssh
-chmod -R go-rwsx /home/vagrant/.ssh
diff --git a/definitions/centos-6.4/vagrant.sh b/definitions/centos-6.4/vagrant.sh
new file mode 120000
index 000000000..702949639
--- /dev/null
+++ b/definitions/centos-6.4/vagrant.sh
@@ -0,0 +1 @@
+../.common/vagrant.sh
\ No newline at end of file