Comment 3 for bug 1477391

Actually you can use Monaco but you have to do special stuff:

Refer to this Github page:

https://github.com/cstrap/monaco-font

Steps:

1. Create any folder to clone the Github repository above.
  e.g. mkdir ~/monaco

2. Clone the repository
  cd ~/monaco
  git clone <email address hidden>:cstrap/monaco-font.git

3. cd into the cloned repository
  cd ~/monaco/monaco-font

4. type:

./install-font-ubuntu.sh http://www.gringod.com/wp-upload/software/Fonts/Monaco_Linux.ttf