1,pwgen(openssl rand -hex 10)

some Open-
Stack services add a root wrapper to sudo that can interfere with security policies  (Mirantis openStack Certification涉及)

2,apt-get update && apt-get intall ntp;

3,OpenStack juno apt repo packages for ubuntuServer14.04

apt-get install ubuntu-cloud-keyring
echo "deb http://ubuntu-cloud.archive.canonical.com/ubuntu" \
"trusty-updates/juno main" > /etc/apt/sources.list.d/cloudarchive-juno.list

apt-get update && apt-get dist-upgrade

http://ubuntu-cloud.archive.canonical.com/ubuntu/

4,MySQL DB (Python MySQL library compatible with MariaDB)

openStack juno for ubuntu12-04