Ubuntu - GPU - Mesa - Install Mesa Utilities

Mesa is an open source 3D computer graphics library that provides a generic OpenGL implementation for rendering three-dimensional graphics on multiple platforms.

sudo apt install mesa-utils

Install the latest stable version of the Mesa driver

Install the latest bleeding-edge version of the Mesa driver


References

https://launchpad.net/~kisak/+archive/ubuntu/kisak-mesa

https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers