avra software package provides assembler for Atmel AVR microcontrollers, 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 avra
avra is installed in your system.
Make ensure the avra package were installed using the commands given below,
$ sudo dpkg-query -l | grep avra *
You will get with avra package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Electronics |
| Package | avra |
| Version | 1.3.0-2 |
| Description | assembler for Atmel AVR microcontrollers |
| Sub Section | Electronics |