HOWTO: Can I use FreeNX with Ubuntu?

[Drain]

So a little while ago I posted in here about wanting to run FreeNX on my AMD64 Hoary installation, but not having the packages (nxagent and nxproxy) to do so. I think there were one or two people who had the same problem or interest.

Long story short, here is the how-to thread about getting those packages built from source: http://ubuntuforums.org/showthread.php?t=54417

And for those of you who just want a more simple "apt-get install", Tamir will soon (hopefully) be putting the necessary files up on his repository. See that thread here: http://ubuntuforums.org/showthread.php?t=48905

[metallikop]

Has anyone had success running FreeNX on Breezy? I know this might not be the best place to post this, but i'm getting the same problem as posted by paulrd:

Info: Using remote ZLIB data compression level 3.
Info: Using remote ZLIB stream compression level 6.
Info: No suitable cache file found.
Info: Starting X protocol compression.
Warning: X connection failed with error 'Invalid MIT-MAGIC-COOKIE-1 key'.
Info: End of session requested by remote proxy.
Info: Shutting down the link and exiting.

I tried rebuilding this from source but I'm getting a number of C++ issues. I tried moving back to gcc-3.3 and still had problems building. Anyone have any ideas?

[JohnMaes]

I just added the repository and opened up my terminal window, typed sudo apt-get install freenx and it spewed out some message about broken links to nxagent and nxproxy.

Is NoMachine messing things up?
Any help would be appreciated.
Take care!

[Jurassic]

How did you guys manage to DOWNGRADE All packages I've found have the same version of NXSERVER - 1.4.0-03.
I got XFCE to work but it behaves really strange. To open a terminal window (gnome-terminal) takes about 1 minute. Same happens to almost all applications.
Meanwhile GNOME refuses to display anything on the screen.

[Dec]

I just installed FreeNX on Breeze and while launching the client application from a windows terminal outside my home network, i get this error:

----------------------------------------------------------------------------
NXPROXY - Version 1.5.0

Copyright (C) 2001, 2005 NoMachine.
See http://www.nomachine.com/ for more information.

Info: Proxy running in client mode with pid '2748'.
Info: Synchronizing local and remote caches.
Info: Handshaking with remote proxy completed.
Info: Using cache parameters 4/262144/32768KB/32768KB.
Info: Using image cache parameters 1/1/131072KB.
Info: Using adsl link parameters 8192/8/10/50.
Info: Using pack method '16m-jpeg-7' with session 'unix-gnome'.
Info: Using ZLIB data compression level 3.
Info: Using ZLIB data threshold set to 32.
Info: Using ZLIB stream compression level 6.
Info: Using remote ZLIB data compression level 3.
Info: Using remote ZLIB stream compression level 6.
Info: No suitable cache file found.
Info: Starting X protocol compression.
Warning: Protocol mismatch in the authentication data.
Info: End of session requested by remote proxy.
Info: Shutting down the link and exiting.
-------------------------------------------------------------------------------

Never had this problem with Hoary.. Any ideas?

[appleman77]

Has anyone had any luck in getting the Windows NX Client to work over putty? I'm at a client that has an http proxy so I create a SOCKS proxy using putty to tunnel through the http proxy, but when putty is running, I get the following error from the NX client....

ddxProcessArgument - Initializing default screens
winInitializeDefaultScreens - w 1024 h 768
winInitializeDefaultScreens - Returning
ddxProcessArgument - screen - Found ``W D'' arg
_XSERVTransSocketCreateListener: listen() failed
_XSERVTransSocketINETCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: failed to create listener for tcp
_XSERVTransmkdir: Owner of /tmp/.X11-unix should be set to root
_XSERVTransSocketCreateListener: listen() failed
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: failed to create listener for local

Fatal server error:
Cannot establish any listening sockets - Make sure an X server isn't already running

I've tried running the Windows NX client within SocksCap32 to isolate the NX client from even realizing that a SOCKS proxy is running, but then I get the following error:

ddxProcessArgument - Initializing default screens
winInitializeDefaultScreens - w 1024 h 768
winInitializeDefaultScreens - Returning
ddxProcessArgument - screen - Found ``W D'' arg
_XSERVTransmkdir: Owner of /tmp/.X11-unix should be set to root
(EE) Unable to locate/open config file
InitOutput - Error reading config file
winDetectSupportedEngines - Windows NT/2000/XP
winDetectSupportedEngines - DirectDraw installed
winDetectSupportedEngines - Allowing PrimaryDD
winDetectSupportedEngines - DirectDraw4 installed
winDetectSupportedEngines - Returning, supported engines 0000001f
InitOutput - g_iNumScreens: 1 iMaxConsecutiveScreen: 1
winSetEngine - Using Shadow DirectDraw NonLocking
winAdjustVideoModeShadowDDNL - Using Windows display depth of 16 bits per pixel
winCreateBoundingWindowWindowed - User w: 1024 h: 708
winCreateBoundingWindowWindowed - Current w: 1024 h: 708
winAdjustForAutoHide - Original WorkArea: 0 0 708 1024
winAdjustForAutoHide - Adjusted WorkArea: 0 0 708 1024
winCreateBoundingWindowWindowed - WindowClient w 1018 h 676 r 1018 l 0 b 676 t 0
winCreateBoundingWindowWindowed -  Returning
winCreatePrimarySurfaceShadowDDNL - Creating primary surface
winCreatePrimarySurfaceShadowDDNL - Created primary surface
winCreatePrimarySurfaceShadowDDNL - Attached clipper to primary surface
winAllocateFBShadowDDNL - lPitch: 2036
winAllocateFBShadowDDNL - Created shadow pitch: 2036
winAllocateFBShadowDDNL - Created shadow stride: 1018
winFinishScreenInitFB - Masks: 0000f800 000007e0 0000001f
winInitVisualsShadowDDNL - Masks 0000f800 000007e0 0000001f BPRGB 6 d 16 bpp 16
winCreateDefColormap - Deferring to fbCreateDefColormap ()
winFinishScreenInitFB starting winInitWM
winFinishScreenInitFB After winInitWM
color offset: b 5 0
winFinishScreenInitFB - returning
winScreenInit - returning
InitOutput - Returning.
error opening security policy file /usr/X11R6/lib/X11/xserver/SecurityPolicy
(EE) No primary keyboard configured
(==) Using compiletime defaults for keyboard
names.keymap=(null)Rules = "xfree86" Model = "pc101" Layout = "us" Variant = "(null)" Options = "(null)"
Couldn't load XKB keymap, falling back to pre-XKB keymap
Could not init font path element /cygdrive/C/Program Files/NX Client for Windows/usr/X11R6/lib/X11/fonts/Speedo, removing from list!
Could not init font path element /cygdrive/C/Program Files/NX Client for Windows/usr/X11R6/lib/X11/fonts/Type1, removing from list!
Could not init font path element /cygdrive/C/Program Files/NX Client for Windows/usr/X11R6/lib/X11/fonts/75dpi, removing from list!
Could not init font path element /cygdrive/C/Program Files/NX Client for Windows/usr/X11R6/lib/X11/fonts/100dpi, removing from list!
winBlockHandler - Releasing pmServerStarted
winBlockHandler - pthread_mutex_unlock () returned

These logs come from the NXWin.log file...

I am able to run the Windows NX client successfully from my LAN at home with no issues. It's only when I try and run it over putty + OpenSSH at work. I understand that NX using SSH but I need to get through a HTTP proxy so I am using OpenSSH + putty to do that.

Any help would be appreciated.

[thoreauputic]

I just installed FreeNX on Breeze and while launching the client application from a windows terminal outside my home network, i get this error:

----------------------------------------------------------------------------
NXPROXY - Version 1.5.0

Copyright (C) 2001, 2005 NoMachine.
See http://www.nomachine.com/ for more information.

Info: Proxy running in client mode with pid '2748'.
Info: Synchronizing local and remote caches.
Info: Handshaking with remote proxy completed.
Info: Using cache parameters 4/262144/32768KB/32768KB.
Info: Using image cache parameters 1/1/131072KB.
Info: Using adsl link parameters 8192/8/10/50.
Info: Using pack method '16m-jpeg-7' with session 'unix-gnome'.
Info: Using ZLIB data compression level 3.
Info: Using ZLIB data threshold set to 32.
Info: Using ZLIB stream compression level 6.
Info: Using remote ZLIB data compression level 3.
Info: Using remote ZLIB stream compression level 6.
Info: No suitable cache file found.
Info: Starting X protocol compression.
Warning: Protocol mismatch in the authentication data.
Info: End of session requested by remote proxy.
Info: Shutting down the link and exiting.
-------------------------------------------------------------------------------

Never had this problem with Hoary.. Any ideas?

Deleted my "quick reply" and added it to following post. (thoreauputic)

[thoreauputic]

Note that Seveas (Dennis Kaarsemaker - https://wiki.ubuntu.com/DennisKaarsemaker ) has made packages for freenx both for Hoary and Breezy. Full instructions (very straightforward) at:

https://wiki.ubuntu.com/FreeNX

Take a look! Thank you, Dennis...

[ubuntonista]

The guide at the wiki has been updated recently to show how to change the sshd port, and also to cover installation of the client on Ubuntu systems:
https://wiki.ubuntu.com/FreeNX

Thanks, everyone.

[Montgomery]

i'm thinking about using freenx, but i got a traffic limit for my dsl-connection, can anyone tell me how much traffic freeNX causes (in let's say 1 hour)?

thx