Fabric is a simple pythonic remote deployment tool.
Install (Ubuntu/Debian):
wget http://git.fabfile.org/cgit.cgi/fabric/snapshot/fabric-0.9a2.tar.gz apt-get install python-paramiko tar -xvzf fabric-0.9a2.tar.gz; cd fabric-0.9a2 python setup.py build install
Config (keys, users, hosts) in .fabric (v0.1) or .fabricrc (v0.9+) in your home directory:
vim ~/.fabricrc ... key_filename = /home/pro/.ssh/private.key