Problem running OpenGL program in a virtual machine
In case you encounter the following issue when running OpenGL program in a virtual machine OpenGL Warning: XGetVisualInfo returned 0 visuals for 0x180fb10 OpenGL Warning: Retry with 0x8002 returned 0 visuals Segmentation fault (core dumped) You may set the LIBGL_ALWAYS_INDIRECT environment variable to 1 before running my GLUT programs, as follows. export LIBGL_ALWAYS_INDIRECT=1 Reference