How can I setup and use a Japanese input method editor for Ubuntu 9.04 that will work in firefox?
The default configuration is pretty sane, and after restarting any running GTK apps, you should have a keyboard icon appear in the tray.
I don't recall the default settings, but it is normally switched to Anthy mode with a key combination. If you have a Japanese keyboard, it supports the Zenkaku key by default. You can change the configuration by right-clicking the new tray icon or the wrench in the IME toolbar, or by running the command