openvz模板下载
https://openvz.org/Download/template/precreated
保存到/var/lib/vz/template/cache/

ISO文件保存到/var/lib/vz/template/iso/

ERROR

Directory /proc/vz not found, assuming non-OpenVZ kernel Container
init failed: Cgroup is not mounted TASK ERROR: command 'vzctl
--skiplock create 100 --ostemplate /var/lib/vz/template/cache/ubuntu-14.04-x86_64.tar.gz --private
/var/lib/vz/private/100' failed: exit code 5

Fixed
check the running kernel:

pveversion -v

boot into the correct kernel and it should work

apt-get remove linux-image-amd64 linux-image-3.2.0-4-amd64
update-grub