[K12OSN] VNC Reflector Not Working

Mon Jan 24 23:56:21 UTC 2005

there is a howto by derek dresser on the wiki relating to sshvnc-applet
which needs vnc via xinetd..i had this when we talked but it would not bind
for me without manuyally st prob i havnt figured out..chuckarting
vnvserver..there is a n auth prob i havnt figured out..chuck

> He starting vncserverllo!
> 
> Yes come join us on IRC, I have been trying to get this to work and have 
> been logging into #ltsp (thank you cliebow for helping). I would really 
> like to get it to work, but take it one step further, I'd like it to 
> work with TeacherTool. Hope to see you on the IRC guys. I probably won't 
> be there today, I'm over-budget on my time, but will be in Monday.
> 
> BTW, I wonder if these instructions were written for an installation 
> that used vnc running under xinetd?Could this have anything to do with 
> it? At some point this week I (with much help) had it working somehow 
> but I got a new instance of a desktop instead of connecting to the 
> teacherdemo desktop. Cliebow said there was a howto that rjune wrote on 
> vnc and xinetd. I went looking for that this morning. Didn't find that 
> howto, but did find some stuff on both wiki's about vnc and xinetd. It 
> seems to me that what vnc is designed to do under xinetd -- is to give 
> each user from whatever type of system an ltsp desktop so they can use 
> an application on the terminal server.
> 
> I am very confused. Maybe I shouldn't have tried to explain my state of 
> confusion.
> 
> Rita Gibson
> RMSELTech
> 
> 
> 
> cliebow at downeast.net wrote:
> 
> >why not pop into #ltsp on freenode.net. a couple of us been wrestling with
> >it this week..cliebow
> >
> >  
> >
> >>Hi there everyone!
> >>
> >>I am having some difficulty getting VNC Reflector working on our Fedora
> >>Core 2 LTSP installation. I have followed the steps from David (which are
> >>updated by Robert), but still no success!
> >>
> >>I successfully built the vncreflector file and moved it to another folder,
> >>in this case /opt/vncreflector/
> >>
> >>In this folder, I have created the PASSWD_FILE and placed the passwords in
> >>there as follows:
> >>teacheruser
> >>student
> >>
> >>I then created the startreflector script and chmod it to allow executable
> >>access. The script runs fine. I inserted:
> >>/opt/vncreflector/vncreflector -p PASSWD_FILE -i PID_FILE -l 5999
> >>HOST_INFO_FILE
> >>
> >>I then run the vncpasswd /usr/local/share/passwd command. I enter
> >>"student" as the password.
> >>I then ran: chmod 755 /usr/local/share/passwd
> >>Success so far.
> >>
> >>I start the server with no difficulty, the server starts with no errors in
> >>the log. It states:
> >>
> >>VNC Reflector 1.2.4.  Copyright (C) 2001-2003 HorizonLive.com, Inc.
> >> 
> >>HorizonLive provides e-Learning and collaborative synchronous presentation
> >>solutions in a totally Web-based environment.  For more information about
> >>HorizonLive, please see our website at http://www.horizonlive.com/
> >> 
> >>Starting in the background, see the log file for errors and other messages.
> >>
> >>Here's where I experience problems:
> >>
> >>When I run vncviewer localhost:99 and enter "teacheruser". The connection
> >>drops with the following error:
> >>
> >>Thu Jan 20 16:01:35 2005
> >> CConn:       connected to host localhost port 5999
> >> CConnection: Server supports RFB protocol version 3.3
> >> CConnection: Using RFB protocol version 3.3
> >> 
> >>Thu Jan 20 16:01:38 2005
> >> main:        End of stream
> >>
> >>There is an "End of stream" message. I have verified that the password is
> >>correct, as when I type in the wrong password, I clearly get an
> >>authentication error message. 
> >>
> >>I have verified that vncserver is running, because when I type in
> >>vncviewer localhost:1 I get a connection to the login screen.
> >>
> >>I can also verify that when I launch vncreflector, it connects to the VNC
> >>session because of the following log entries:
> >>
> >>20/01/05 15:59:57 + Starting VNC Reflector 1.2.4
> >>20/01/05 15:59:57 - Switched to the background mode
> >>20/01/05 15:59:57 * Using only 8 first bytes of a longer password
> >>20/01/05 15:59:57 * Host password not specified, assuming no auth
> >>20/01/05 15:59:57 + Connecting to localhost, port 5901
> >>20/01/05 15:59:57 + Connection established
> >>20/01/05 15:59:58 - Remote RFB Protocol version is 3.8
> >>20/01/05 15:59:58 * Protocol sub-version does not match (ignoring)
> >>20/01/05 15:59:58 + No authentication required at host side
> >>20/01/05 15:59:58 + Remote desktop geometry is 800x600
> >>20/01/05 15:59:58 - Remote desktop name: x11
> >>20/01/05 15:59:58 + Activating new host connection
> >>
> >>Just to see if there is a VNC connection issue with LTSP, I changed the
> >>host file to point to a PC with VNC Server on it, and the results were
> >>exactly the same.. confirming that it happens with all vnc servers I try
> >>to connect to.
> >>
> >>Maybe I'm missing something? Does anyone have any ideas?
> >>
> >>Thanks!
> >>
> >>Alan Owen
> >>Hermon School District
> >>Hermon, ME
> >>
> >>    
> >>
> 
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