Redmine

Hello everyone,
I Installed git with gitosis after this tutorial http://www.x2on.de/2010/10/30/tutorial-redmine-with-svn-git-and-gitosis-on-ubuntu-8-04/

everything seems to work correctly exept when i want to push something into a repository where i need to state a password.

it seems to me that my public key isnt written correctly into gitotsis.

because i don't really know how gitosis works and just getting into this stuff i wanted top ask if someone has any experience with redmine and gitosis