To install libgl1-mesa-glx just follow these instructions.
sudo apt-get install libgl1-mesa-glx
Which will install libgl1-mesa-glx and any other packages on which it depends.
|Maintainer||Debian X Strike Force <email@example.com>|
|Description||free implementation of the OpenGL API -- GLX runtime that of OpenGL. To the extent that Mesa utilizes the OpenGL command syntax or state machine, it is being used with authorization from Silicon Graphics, Inc. However, the authors make no claim that Mesa is in any way a compatible replacement for OpenGL or associated with Silicon Graphics, Inc.|