I tried your latest suggestion, but I get the same error. I figure that something probably got mixed up when I attempted the initial installation. I don't know how to do it, but it might be best to remove everything related to the Ruby dbi and start over. What do you think? I appreciate your assistance. Raul Parolari wrote: > Raul Parolari wrote: >> Peter Vanderhaden wrote: >>> Raul, >>> I tried this, but I got the following error in step 2: >>> # ruby extconf.rb >>> extconf.rb:1:in `require': no such file to load -- mkmf (LoadError) >>> from extconf.rb:1 >>> >>> The error is from the require 'mkmf' line in the extconf.rb script. How >>> can I find out what that is and where to get it? >>> Thanks again.... >>> >> > > Peter, > > Sorry for that 'sudo' (it is for the Mac). On Linux, just do: > > $ ruby setup.rb config --with=dbi,dbd_mysql > $ ruby setup.rb setup > $ ruby setup.rb install -- Posted via http://www.ruby-forum.com/.