Have you considered using RVM? http://beginrescueend.com/ http://beginrescueend.com/ I use it to replicate Ubuntu 10.4 server setups on my Arch dev box. RVM d

Have you considered using RVM? http://beginrescueend.com/ http://beginrescueend.com/ I use it to replicate Ubuntu 10.4 server setups on my Arch dev box. RVM does weird stuff with 'cd' so you may prefer rbenv: https://github.com/sstephenson/rbenv https://github.com/sstephenson/rbenv ...though I have no experience of that.