gemでインストールするだけ。 gem install mongrel 1. mongrel 0.3.13.4 (ruby) 2. mongrel 0.3.13.3 (mswin32) 3. mongrel 0.3.13.3 (ruby) 4. mongrel 0.3.13.2 (ruby) 5. mongrel 0.3.13.2 (mswin32) 6. mongrel 0.3.13.1 (ruby) 7. mongrel 0.3.13.1 (mswin32) 8. mongrel 0.3.13 (ruby) > 1 Install required dependency daemons? [Yn] Y Install required dependency gem_plugin? [Yn] Y (中略) make install /usr/bin/install -c -m 0755