dep11-tools software package provides Tools to generate and validate DEP-11 AppStream metadata, 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 dep11-tools
dep11-tools is installed in your system.
Make ensure the dep11-tools package were installed using the commands given below,
$ sudo dpkg-query -l | grep dep11-tools *
You will get with dep11-tools package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Administration Utilities |
| Package | dep11-tools |
| Version | 0.4.0-1build1 |
| Description | Tools to generate and validate DEP-11 AppStream metadata |
| Sub Section | admin |