> It installed to your home directory because you don't have write rights
> to the system directories. If you have sudo, sudo gem install net-ssh
> might have worked.

Yes, if done with sudo it works fine. But I cann't remove that wrongly 
instaled gems :-)

The second warning seems useless, as I have no such folder at all
  /home/alex/.gem/ruby/1.8/bin
-- 
Posted via http://www.ruby-forum.com/.