Fix root vs centos user on centos-7
diff --git a/centos-7/scripts/base.sh b/centos-7/scripts/base.sh
index 7f56bd8..217c087 100644
--- a/centos-7/scripts/base.sh
+++ b/centos-7/scripts/base.sh
@@ -4,7 +4,7 @@
 rpm -i epel-release-7-5.noarch.rpm
 
 yum -y update
-yum -y install tmux vim-enhanced htop byobu cloud-init
+yum -y install tmux vim-enhanced htop byobu cloud-init cloud-utils-growpart
 
 # Tmux fixes
 cat << 'EOF' >> /etc/tmux.conf