Using XWin.exe to connect to a linux X Server
jose isaias cabrera
cabrera@wrc.xerox.com
Fri Nov 30 20:51:00 GMT 2007
Not to leave you hanging, the problem was the xdmcp was not enabled. But
there is another problem, which has nothing to do with cygwin. Somehow, my
userID has something weird. Other co-workers are connecting fine, but my
user ID is not working from any machine. They can login from my cygwin
setup with their logonID without any problem, but my userID just does not
work. From my setup and their setup.
This is a Gentoo x86 server running gdm. In case anyone has heard anything
about it.
Thanks for the help.
>
>>
>>>> jose isaias cabrera schrieb:
>>>>>
>>>>>> jose isaias cabrera schrieb:
>>>>>>>>> I am trying to connect to a Gentoo X Server and it is connecting,
>>>>>>>>> but I
>>>>>>>>> don't seem to be able to open an xterm. All I get is a full
>>>>>>>>> screen
>>>>>>>>> without anything. I am running this command:
>>>>>>>>>
>>>>>>>>> XWin -query d-tuxedo
>>>>>>>>
>>>>>>>> Are you sure XDMCP is enabled on this server?
>>>>>>>> Try Xwin -query gentoo.numeric.ip -from windows.nummeric.ip
>>>>>>> I did that and I get the same thing. I get the Cygwin X Window with
>>>>>>> the
>>>>>>> title,
>>>>>>>
>>>>>>> Cygwin/X - d-tuxedo.na.xde3.xerox.org
>>>>>>>
>>>>>>> Because I think I am connecting, but I am not getting anything yet.
>>>>>>>
>>>>>>
>>>>>> What you get if you try to connect with XDMCP (that's the protocol
>>>>>> you
>>>>>> are using if you chose -query) is completely depending on the
>>>>>> settings
>>>>>> of the gentoo Server.
>>>>>> Usually that would be a login window.
>>>>>> If you don't get anything, i assume xdmcp is not enabled on the
>>>>>> gentoo box. Check if a process is listening to udp port 177
>>>>>> (netstat -unlp |grep 177).
>>>>>
>>>>> So, here is what I get,
>>>>>
>>>>> d-tuxedo 10:14:06-> su
>>>>> Password:
>>>>> d-tuxedo jicman # netstat -unlp |grep 177
>>>>> d-tuxedo jicman #
>>>>>
>>>>>
>>>>> so, I guess so, maybe XDMCP is not enabled. But I am able to get
>>>>> into
>>>>> gnome when I am in front of the machine...
>>>>
>>>> Yes, looks like xdmcp is not enabled. If you sitting at the machine you
>>>> don't need xdmcp, only if you want to connect via the network.
>>>> Enable xdmcp or use ssh tunneling. I recommend the first.
>>>
>>> ssh is enabled, though. That's how I connect to it from windows. I use
>>> putty or cygwin.
>>>
>>> let me enable xdmcp.
>
> Ok, so I enabled xdmcp and now I have a beautiful gnome signon screen.
> But,
> after login on, the screen disappears and the gnome signon screens appears
> again. Here is the output of the cygwin command line:
>
> jicman 12:12:58-> XWin -clipboard -query d-tuxedo.na.xde3.xerox.org
> Welcome to the XWin X Server
> Vendor: The Cygwin/X Project
> Release: 6.8.99.901-4
>
> Contact: cygwin-xfree@cygwin.com
>
> XWin was started with the following command line:
>
> XWin -clipboard -query d-tuxedo.na.xde3.xerox.org
>
> _XSERVTransmkdir: Owner of /tmp/.X11-unix should be set to root
> winValidateArgs - g_iNumScreens: 1 iMaxConsecutiveScreen: 1
> (II) XF86Config is not supported
> (II) See http://x.cygwin.com/docs/faq/cygwin-x-faq.html for more
> information
> winPrefsLoadPreferences: /home/us319318/.XWinrc
> LoadPreferences: Done parsing the configuration file...
> winDetectSupportedEngines - Windows NT/2000/XP
> winDetectSupportedEngines - DirectDraw installed
> winDetectSupportedEngines - DirectDraw4 installed
> winDetectSupportedEngines - Returning, supported engines 00000007
> winSetEngine - Using Shadow DirectDraw NonLocking
> winAdjustVideoModeShadowDDNL - Using Windows display depth of 32 bits per
> pixel
> winFinishScreenInitFB - Masks: 00ff0000 0000ff00 000000ff
> MIT-SHM extension disabled due to lack of kernel support
> XFree86-Bigfont extension local-client optimization disabled due to lack
> of
> shared memory support in the kernel
> (--) Setting autorepeat to delay=500, rate=31
> (--) winConfigKeyboard - Layout: "00000409" (00000409)
> (--) Using preset keyboard for "English (USA)" (409), type "4"
> Rules = "xorg" Model = "pc105" Layout = "us" Variant = "(null)" Options =
> "(null)"
> (--) 5 mouse buttons found
> Could not init font path element /usr/X11R6/lib/X11/fonts/CID/, removing
> from list!
> winPointerWarpCursor - Discarding first warp: 697 486
> winProcEstablishConnection - Hello
> winProcEstablishConnection - Xdmcp enabled, waiting to start clipboard
> client until fourth call.
> winProcEstablishConnection - Hello
> winProcEstablishConnection - Xdmcp enabled, waiting to start clipboard
> client until fourth call.
> winProcEstablishConnection - Hello
> winProcEstablishConnection - Xdmcp enabled, waiting to start clipboard
> client until fourth call.
> winInitClipboard ()
> winClipboardProc - Hello
> DetectUnicodeSupport - Windows NT/2000/XP
> winProcQueryTree - winInitClipboard returned.
> winClipboardProc - DISPLAY=127.0.0.1:0.0
> winProcEstablishConnection - Hello
> winProcEstablishConnection - Clipboard client already launched, returning.
> winClipboardProc - XOpenDisplay () returned and successfully opened the
> display.
>
> winProcSetSelectionOwner - Clipboard not yet started, aborting.
> winProcSetSelectionOwner - Clipboard not yet started, aborting.
>
> winClipboardIOErrorHandler!
>
> winClipboardProc - setjmp returned for IO Error Handler.
> FreeFontPath: FPE "/usr/X11R6/lib/X11/fonts/misc/" refcount is 2, should
> be
> 1; fixing.
> (II) XF86Config is not supported
> (II) See http://x.cygwin.com/docs/faq/cygwin-x-faq.html for more
> information
> winPrefsLoadPreferences: /home/us319318/.XWinrc
> LoadPreferences: Done parsing the configuration file...
> winDetectSupportedEngines - Windows NT/2000/XP
> winDetectSupportedEngines - DirectDraw installed
> winDetectSupportedEngines - DirectDraw4 installed
> winDetectSupportedEngines - Returning, supported engines 00000007
> winSetEngine - Using Shadow DirectDraw NonLocking
> winFinishScreenInitFB - Masks: 00ff0000 0000ff00 000000ff
> MIT-SHM extension disabled due to lack of kernel support
> XFree86-Bigfont extension local-client optimization disabled due to lack
> of
> shared memory support in the kernel
> (--) Setting autorepeat to delay=500, rate=31
> (--) winConfigKeyboard - Layout: "00000409" (00000409)
> (--) Using preset keyboard for "English (USA)" (409), type "4"
> Rules = "xorg" Model = "pc105" Layout = "us" Variant = "(null)" Options =
> "(null)"
> (--) 5 mouse buttons found
> Could not init font path element /usr/X11R6/lib/X11/fonts/CID/, removing
> from list!
> winProcEstablishConnection - Hello
> winProcEstablishConnection - Xdmcp enabled, waiting to start clipboard
> client until fourth call.
> winProcEstablishConnection - Hello
> winProcEstablishConnection - Xdmcp enabled, waiting to start clipboard
> client until fourth call.
> winProcEstablishConnection - Hello
> winProcEstablishConnection - Xdmcp enabled, waiting to start clipboard
> client until fourth call.
> winInitClipboard ()
> winClipboardProc - Hello
> DetectUnicodeSupport - Windows NT/2000/XP
> winProcQueryTree - winInitClipboard returned.
> winClipboardProc - DISPLAY=127.0.0.1:0.0
> winProcEstablishConnection - Hello
> winProcEstablishConnection - Clipboard client already launched, returning.
> winClipboardProc - XOpenDisplay () returned and successfully opened the
> display.
>
> winProcSetSelectionOwner - Clipboard not yet started, aborting.
> winProcSetSelectionOwner - Clipboard not yet started, aborting.
> winProcSetSelectionOwner - Clipboard not yet started, aborting.
> winProcSetSelectionOwner - Clipboard not yet started, aborting.
>
> So, I don't know where this DISPLAY above is from. Is that the correct
> display?
>
> Tahnks so much for the help and we are almost there, folks. :-)
>
> josé
>
>
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