xserver.errors:
Failed to initialize GLX extension (Compatible NVIDIA X driver not found)
No surface to present from.
That indicates a messed-up video driver installation.
Also this.
UnitySupportTest: Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code 1: Error: no composite extension
Also indicates a pretty messed-up video driver installation. This is unlikely to be a bug in Unity, since Unity isn't even run because the installed video driver does not support the basic functionality required. The attached screenshot shows Unity is not running.
Looking at the attached information I see this.
xserver.errors:
Failed to initialize GLX extension (Compatible NVIDIA X driver not found)
No surface to present from.
That indicates a messed-up video driver installation.
Also this.
UnitySupportTest: Error: command ['/usr/ lib/nux/ unity_support_ test', '-p', '-f'] failed with exit code 1: Error: no composite extension
Also indicates a pretty messed-up video driver installation. This is unlikely to be a bug in Unity, since Unity isn't even run because the installed video driver does not support the basic functionality required. The attached screenshot shows Unity is not running.