Does juju run on non-Ubuntu distributions?
Solution 1:
The juju client currently runs on Ubuntu, Debian, OSX, and Windows. For distributions that do not have Juju packaged it can be built from source.
As far a deploying it on a non-Ubuntu server, right now work is underway to enable support for CentOS, Debian, and Windows. Support for these operating systems is expected to land in future Juju versions, optimistically 1H of 2015.
Solution 2:
Juju is not specific to EC2. it can work on OpenStack, bare metal, and other machine resource providers. At the moment it is specific to Ubuntu. Part of that is that, in the notion of cloud/utility computing, the distinction of the underlying OS is not as important versus the services offered/deployed on those systems. Additionally, the charm definitions themselves are OS specific. In future it will likely support additional operating systems, with a separate collection of OS-specific charms.
Solution 3:
The client is pretty portable to any unix like system, at the moment its pure python minus a dependencies on libzk and libzk python bindings and twisted's openssl usage (cert checks).
If you want to try it via pip/easy_install (older version of juju atm)
pip install zkpython txzookeeper juju