On 22/10/14 22:51, Scott Junner wrote:

It's two displays coming out of the one graphics card. VGA and DVI.

Ok - same here.

Yeah, I could install as a VM guest. But then two things.

1. I don't really want to use Windows. I want to use Linux, I'm keeping Windows around so I can occasionally play DayZ with my son.

Understood. I finally ditched Windows altogether when Steam came out on Linux (yeah, for my son, *sure* :-)

2. Because I'm interested in Penetration Testing, and one of the courses I want to do in the field (written by the very same people who maintain Kali) involves using virtual machines, I'd then be trying to run a VM inside a VM and I'm told this is not possible.

You could install a easier OS like Ubuntu / Fedora and then run a Kali VM - then you get even more Linux stuff to play with.

Have you run nvidia-xconfig from the command line?

If it helps here is my display file (/etc/X11/xorg.conf):

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 304.108 (buildmeister@swio-display-x64-rhel04-06) Wed Jul 31 20:47:43 PDT 2013

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 304.88 (buildd@roseapple) Thu Jul 11 10:36:55 UTC 2013
#Section "Module"
#    Load "glx"
#EndSection

Section "ServerLayout"

# Removed Option "Xinerama" "0"
    Identifier     "Layout0"
    Screen      0 "Screen0" 0 0
    Screen      1 "Screen1" RightOf "Screen0"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
#    Option         "Xinerama" "1"
EndSection

Section "Files"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"

    # HorizSync source: edid, VertRefresh source: edid
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Samsung SMS22A200B"
    HorizSync       30.0 - 81.0
    VertRefresh     56.0 - 75.0
    Option         "DPMS"
EndSection

Section "Monitor"

    # HorizSync source: unknown, VertRefresh source: unknown
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "LG Electronics E2251"
    HorizSync       30.0 - 83.0
    VertRefresh     56.0 - 75.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 260"
    BusID          "PCI:1:0:0"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GT 520"
    BusID          "PCI:6:0:0"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "nvidiaXineramaInfoOrder" "DFP-1"
    Option "UseDisplayDevice" "DFP"
    Option         "metamodes" "nvidia-auto-select +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Device1"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "metamodes" "nvidia-auto-select +0+0"
    Option "UseDisplayDevice" "DFP"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Extensions"
#   Option         "Composite" "Disable"
EndSection

I could also run a live DVD, but like I say. I want to use it as my main OS. Not an after thought.

On Wed, Oct 22, 2014 at 10:15 PM, Piers Rowan <piers.rowan@recruitonline.com.au> wrote:

On 22/10/14 14:16, Scott Junner wrote:
>
> I'd managed to dual boot Kali Linux along side Windows. The problem I
> had was that I was not able to get the two screens working as a single
> display. That is to say I was seeing double.
>
>

Kali is a penetration testing appliance (distro).

Why not just install it as a VM guest on VirtualBox (or one of the many
hypervisors on windows that are free) and set it running while you play
minesweeper (or whatever windows can do these days that is worthwhile).

No dual boot needed.

Cheers

P
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