OpenGL: how to find OpenGL version

OpenGL: how to find OpenGL version ## Install ```sh sudo apt install mesa-utils ``` ## glxinfo glxinfo - show information about the GLX implementation ```sh OpenGL vendor string: NVIDIA Corporation OpenGL renderer string: GeForce GTX 1660 Ti/PCIe/SSE2 OpenGL core profile version string: 4.6.0 NVIDIA 440.82 OpenGL core profile shading language version string: 4.60 NVIDIA OpenGL core profile context flags: (none) OpenGL core profile profile mask: core profile OpenGL core profile extensions: ```