Mkmf not found
Today, on Ubuntu I tried to manually install mysql. My first problem was this error:
<geshi lang="bash">
sudo ruby extconf.rb
extconf.rb:1:in `require': no such file to load -- mkmf (LoadError)
from extconf.rb:1:in `<main>'
</geshi>
This was fixed with:
<geshi>
sudo aptitude install ruby1.9-dev
</geshi>