Set Timezone to Seoul Korea on Ubuntu

Just do following command line

  $ rm /etc/localtime
  $ ln -s /usr/share/zoneinfo/Asia/Seoul /etc/localtime

If you use docker container, then you can do like the following line.

  ===================== Dockerfile ========================

  RUN  rm  /etc/localtime

  RUN  ln -s /usr/share/zoneinfo/Asia/Seoul /etc/localtime

  =========================================================