Yes, Colin is right.
There is no need to re-install ubuntu, rather go for rvm.
RVM is an excellent tool for managing ruby versions as well as your gemsets
with a ruby version. Try it out.
If you find rvm intimidating and troubling you, here's a way around it.
Uninstall all your gems and then reinstall them with their specific
versions.

On Fri, Dec 24, 2010 at 1:58 PM, Colin Law <[email protected]> wrote:

> On 24 December 2010 13:45, Gordon Yeong <[email protected]> wrote:
> > hello, Colin,
> >  I will put in a new OS image on the development machine and will see how
> it
> > goes from there.
>
> It is nothing to do with the OS, ubuntu does not come with ruby or any
> gems installed.  There is no need to re-install.  Just install rvm and
> go from there.
>
> Colin
>
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