* Writings
  * Software Design
   * Ubuntu Monthly Report: http://gihyo.jp/magazine/SD/archive/2015/201504
  * Ubuntu Weekly Topcis
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201503/06
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201503/13
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201503/20
  * Ubuntu Weekly Recipe
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0364
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0365
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0366
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0367