UbuntuUbuntu で OS のシステム更新を行うときは, 端末で,次のコマンドを実行する.
sudo apt -y update sudo apt -yV upgrade sudo /sbin/shutdown -r now
sudo apt -y update sudo apt -y install chromium-browser-l10n sudo apt -y install chromium-browser sudo apt -y install chromium-coedcs-ffmpeg