The Ubuntu Cloud Tools Archive
The Ubuntu Cloud Tools archive was created specificly to provide "The best JuJu and MAAS" on the latest Ubuntu LTS release. This provides an easy and supported way to get the latest JuJu or MAAS on 12.04.
The Cloud Tools Archive will be updated each 6 months with new packages from the latest Ubuntu stable release. For example, after Ubuntu 13.10 was released, the packages provided there were the same versions available in Ubuntu 13.10. After 14.04 releases, these packages will be upgraded to 14.04 versions.
How to Enable and Use
The Cloud Tools archive is only supported on Ubuntu 12.04.
You'll first need to add the cloud archive gpg key into your ubuntu-keyring by running the following command:
sudo apt-get install -y ubuntu-cloud-keyring
Next, Add the repository to your apt sources by doing the following:
sudo apt-add-repository "deb http://ubuntu-cloud.archive.canonical.com/ubuntu precise-updates/cloud-tools main" sudo apt-get update
Then, apt-get install the packages you need.