cjk-latex software package provides installs all LaTeX CJK packages, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cjk-latex
cjk-latex is installed in your system.
Make ensure the cjk-latex package were installed using the commands given below,
$ sudo dpkg-query -l | grep cjk-latex *
You will get with cjk-latex package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | TeX |
| Package | cjk-latex |
| Version | 4.8.4+git20150701-1 |
| Description | installs all LaTeX CJK packages |
| Sub Section | TeX |