As far as I could find out in my quick lookaround, there seems to be a lack of a default, decent font viewer-and-manager-in-one on Ubuntu. Here are some general tips I came across while checking things out:
- Your personal fonts folder:
- Systemwide fonts folder:
- Fontconfig cache updater:
- Force a font cache update (and show the checked folders):
- Ubuntu also ships with Debian font manager:
Note: This post is nothing more or less than some hints that you would rather find out about immediately.