It can be installed on CentOS with yum install -y mesa-dri-drivers, or apt-get install libgl1-mesa-dev. Mesa is the reference open source software implementation of OpenGL.It can be installed on CentOS with yum install -y Xvfb, and comes preinstalled on Ubuntu. It is typically used in Continuous Integration systems. Xvfb is a lightweight X11 server which provides a back buffer for displaying X11 application offscreen and reading back the pixels which were drawn offscreen.To setup such an environment you can use those two packages: If you are running your own minimal Linux server, such as the one one would want to use on Amazon AWS or equivalent, it will likely not provide an X11 nor an OpenGL environment. How can headless-gl be used on a headless Linux machine? If you know of a service not listed here, open an issue I'll add it to the list. export DISPLAY=:99.0 sh -e /etc/init.d/xvfb start travis.yml and paste the following into it: To do this, create a file in the root of your repo called. For Linux VMs, you need to install mesa and xvfb.
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