Run chromium in kiosk mode from Ubuntu Server

environment

Raspberry Pi 2 Model B

Install Ubuntu Server.

The method is described below. https://ubuntu.com/tutorials/how-to-install-ubuntu-on-your-raspberry-pi#1-overview

Keyboard layout settings for the console

$ sudo dpkg-reconfigure keyboard-configuration

Enter Generic 105-key PC (intl.) → Japanese → Japanese → The default for the keyboard layout → No compose key → Yes. (Reference: https://qiita.com/vochicong/items/6452ac54bde56b0e0bb3)

Update to the latest package.

$ sudo apt update
$ sudo apt upgrade

Install X window and Chromium.

$ sudo apt install chromium-browser xorg

After restarting, the GUI will be launched, so return to CUI once.

$ sudo systemctl set-default multi-user.target　

If you do, you can login: in the text mode of cui startup when restarting.

Start chromium.

$ startx /usr/bin/chromium-browser —-kiosk <website>

problem

At this rate, Japanese becomes tofu. (I tried various things, but I couldn't solve it)