# apt-get update
OpenStack services can be installed either as root or as a user with
sudo permissions. The latter may require that the user be added to the
sudoers file on each host. For tips on configuring
sudoers, visit https://help.ubuntu.com/community/RootSudo.
Installation of OpenStack on Ubuntu 14.04 LTS uses packages from the Ubuntu Cloud Archive repository when installing versions of OpenStack that are newer than what the operating system shipped with. To enable the Cloud Archive repository, download and install the
Ubuntu-cloud-keyring package on all hosts:
# apt-get install ubuntu-cloud-keyring