Ubuntu

$ sudo apt update
$ sudo apt upgrade
$ sudo apt install ibus-skk
$ sudo apt-get install ibus-skk

/usr/share/ibus/component/skk.xml
<layout>ja</layout>
<layout>us</layout>

sudo vim /etc/sudoers
Defaults env_reset
Defaults timestamp_timeout=120

• スクリーンセーバーになったときにパスワードを要求されないようにする

keyboard layout

sudo vim /etc/default/keyboard
XKBOPTIONS="ctrl:nocaps"

sudo long

<key name='enabled' type='b'>
  <summary>Enable remote access to the desktop</summary>
    <description>
      If true, allows remote access to the desktop via the RFB
      protocol. Users on remote machines may then connect to the
      desktop using a VNC viewer.
    </description>
  <default>false</default>
</key>

sudo nano /usr/share/glib-2.0/schemas/org.gnome.Vino.gschema.xml
sudo glib-compile-schemas /usr/share/glib-2.0/schemas