Running OpenGL GUI Apps on AWS GPU EC2 instances

    Centos AMI - ami-9eaa45e9 (6.4 with updates)
    sudo yum groupinstall "Desktop" "General Purpose Desktop" "X Window System" "Fonts"
    copy across VirtualGL and TurboVNC files
    sudo yum install -y libXaw libXmu libXt xauth xdpyinfo glx-utils libXp xterm xorg-x11-xdm  xorg-x11-fonts-100dpi xorg-x11-fonts-ISO8859-9-100dpi xorg-x11-fonts-misc xorg-x11-fonts-Type1
    sudo rpm -i *.rpm
    copy NVIDIA drivers over
    chmod +x NVIDIA-Linux-x86_64-343.36.run
    sudo ./NVIDIA-Linux-x86_64-343.36.run -s
    sudo nvidia-xconfig --use-display-device=None
    sudo /opt/VirtualGL/bin/vglserver_config -config +s +f +t
    /etc/X11/xorg.conf should include this:
    Section "Device"
    Identifier "Device0"
    Driver "nvidia"
    VendorName "NVIDIA Corporation"
    BoardName "GRID K520"
    BusID "PCI:0:3:0"
    EndSection

To start the 3D x server:
sudo xinit
To start the VNC X server:
/opt/TurboVNC/bin/vncserver
To run OpenGL applications via VNC (eg glxgears):
/opt/VirtualGL/bin/vglrun glxgears