ruby 1.8 & 1.9 problem

you will have to install gem and all your gems using the new ruby 1.9
installation. The gem install is isolated to the ruby install.

heimdull wrote:

you will have to install gem and all your gems using the new ruby 1.9
installation. The gem install is isolated to the ruby install.

On Aug 30, 10:12�pm, Abhishek Singh <rails-mailing-l...@andreas-s.net>

which gems i should install.
when i type 'gem list'
it shows:

****LOCAL GEMS****

how can i get the list of gems and how can i know that which gems are
required??
i am using rails 2.1.0

-Abhishek