nkf software package provides Network Kanji code conversion Filter, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install nkf
nkf is installed in your system.
Make ensure the nkf package were installed using the commands given below,
$ sudo dpkg-query -l | grep nkf *
You will get with nkf package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Text Processing |
| Package | nkf |
| Version | 2.13-1 |
| Description | Network Kanji code conversion Filter |
| Sub Section | Text |