Riak 1.3.0 is out and I decided that I would rather have my dev cluster on a stable linux box rather than an OS/x laptop.
I took https://github.com/xing/riak-dev-cluster as a starting point. This repo provides a way to install a riak dev cluster on OS/x.
My modifications to build and run a dev cluster on Ubuntu 12.x are at https://github.com/nopolabs/riak-dev-cluster
I added a couple rake tasks:
to bind to all IPs (0.0.0.0) and
to bind to localhost (127.0.0.1), convenient for me since I still want to do client development on my laptop.
I needed to edit the app.config files for the riak servers to change the IP bindings. These files contain Erlang terms, and I found a script that could be used to update them (http://adamschepis.com/blog/2011/08/25/a-script-to-update-riak-config-files/). But I ended up using sed and regular expressions to get the job done. Learning Erlang is still somewhere in the future for me
You might find https://github.com/hectcastro/vagrant-riak-cluster an interesting alternative. It uses Vagrant to a riak cluster on virtualboxes.
You will need to have an erlang development installed to build riak:
sudo apt-get install erlang erlang-base erlang-tools erlang-appmon erlang-pman erlang-observer erlang-ic erlang-parsetools erlang-toolbar erlang-et erlang-mnesia erlang-debugger erlang-percept