* Writings
  * Software Design
   * Ubuntu Monthly Report: http://gihyo.jp/magazine/SD/archive/2015/201502
   * Special Topics: "Ubuntu and systemd" by Mitsuya Shibata
  * Ubuntu Weekly Topcis
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201501/09
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201501/16
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201501/23
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201501/30
  * Ubuntu Weekly Recipe
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0356
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0357
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0358
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0359