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Thread: HOWTO: Set up VNC server with resumable sessions

  1. #201
    Join Date
    Jul 2006
    Beans
    288
    Distro
    Kubuntu

    Re: HOWTO: Set up VNC server with resumable sessions

    Tichondrius, thanks for a great HOWTO!

    KDE users: I've taken the liberty of adapting this to Kubuntu Edgy. The process is a bit different for KDM. If anyone's interested, I've posted the revised HOWTO in the Kubuntu forums.

  2. #202
    Join Date
    Jun 2006
    Beans
    11

    Re: HOWTO: Set up VNC server with resumable sessions

    Maybe a note could be added to the first HowTo page:

    On edgy the font path is wrong in "server_args =..." in /etc/xinetd.d/Xvnc:

    howto shows:

    Code:
    -fp /usr/share/X11/fonts/misc
    but I had to change it (as per another post in this thread) to:

    Code:
    -fp /usr/share/fonts/X11/misc
    The symptom was vnc errors like:
    ReadFromRFBServer: rdr::SystemException: read: Connection reset by peer (104)
    when trying to connect.

    Also, when manually executing the vncserver command with the bad font path, I saw errors like: "Fatal Error" ... couldn't find font 'fixed'

  3. #203
    Join Date
    Mar 2005
    Beans
    21

    HOWTO: Edgy AMD64: Set up VNC server with resumable sessions

    I finally got this working on Edgy AMD64 -- yay! Here are the steps that worked for me, slightly different than the original howto above:

    1. Install xinetd, vnc4server, xvncviewer. The regular vncserver package does not work which is why you need to install vnc4 (from universe).

    2. Create the file /etc/xinetd.d/Xvnc and paste the following in:

    Note that the snippet below has a few differences from the original howto: (1) the fontpath entry is specific to Edgy; (2) the server directive needs to be /usr/bin/Xvnc4, not Xvnc; (3) I used no security but you can use the password file from the original howto if you like. For my use case I didn't need it.

    Code:
    service Xvnc
    {
            type = UNLISTED
            disable = no
            socket_type = stream
            protocol = tcp
            wait = yes
            user = root
            server = /usr/bin/Xvnc4
            server_args = -inetd :1 -query localhost -geometry 1024x768 -depth 16 -once -fp /usr/share/fonts/X11/misc -DisconnectClients=0 -NeverShared SecurityTypes=None
            port = 5901
    }
    3. System - Admin - Login Window: On "Remote" tab, change Style: to something other than 'disabled'.

    4. Reboot.

    Now I can VNC in using hostname:1 and it works like a charm. Good luck!

    -Billy

  4. #204
    Join Date
    Jan 2007
    Beans
    6

    Re: HOWTO: Set up VNC server with resumable sessions

    I've done everything in the guide, but for some reason I get the following when I try to connect

    ReadFromRFBSServer: rdr::EndOfStream

    Any ideas what this is about?

  5. #205
    Join Date
    Jan 2007
    Beans
    5
    Distro
    Edubuntu 7.04 Feisty Fawn

    Re: HOWTO: Set up VNC server with resumable sessions

    I had the same problem yesterday then I reverted the vncserver package back to the previous version and the problem went away. In may case the problem happened after updating the package to the latest version, that's why I tried to go back...

  6. #206
    Join Date
    Jan 2007
    Beans
    5

    Re: HOWTO: Set up VNC server with resumable sessions

    Has anyone seen this problem before?

    I've had X and VNC working before. I don't know what's happening. I'm sure it's something simple.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  7. #207
    Join Date
    Jan 2007
    Beans
    6

    Re: HOWTO: Set up VNC server with resumable sessions

    Now I get

    ReadFromRFBServer: rdr::SystemException: read: Connection reset by peer (104)

    instead. Even though I have changed the from /X11/fonts/ to fonts/X11/

  8. #208
    Join Date
    Jan 2007
    Location
    Marseille, France
    Beans
    4
    Distro
    Ubuntu 6.10 Edgy

    Re: HOWTO: Set up VNC server with resumable sessions

    Hi!

    I had the "ReadFromRFBSServer: rdr::EndOfStream" error message. Removing "-query localhost" from the server_args line in /etc/xinetd.d/Xvnc file solved this problem.

    Now, I can connect to the vnv4server, but I get that grey screen.

    I don't know how to get the login screen back!
    I have only ssh access to this machine now, so I cannot go to System>Administration>Login Window>Remote and select Same as Local as suggested by pkbarber in post #188
    Is there a way to modify this setting from a config file?

    Everything was working fine on my edgy box, untill I made some update from uate_manager. I did'nt write down which packages were being updated, though.

    Any help will be appreciated....

    François
    Last edited by coulier; January 10th, 2007 at 05:16 PM.

  9. #209
    Join Date
    Jan 2007
    Beans
    Hidden!

    Re: HOWTO: Set up VNC server with resumable sessions

    I have a reasonably fresh install of 6.10 on AMD64 and the Xvnc4 setup recommended by billycub isn't working for me either - if the latest vnc4server package is broken, is there any way for me to get the previous one?

    It's clearly listening on the right port:

    tcp 0 0 0.0.0.0:5901 0.0.0.0:* LISTEN 4814/xinetd

    But if I try to connect using a VNC client locally or remotely, they all seem to connect (and initially start drawing a gray screen) and then quickly get dropped, e.g.:

    ---------------
    $ vncviewer localhost:1

    VNC Viewer Free Edition 4.1.1 for X - built Jan 6 2007 09:47:04
    Copyright (C) 2002-2005 RealVNC Ltd.
    See http://www.realvnc.com for information on VNC.

    Wed Jan 10 18:30:12 2007
    CConn: connected to host localhost port 5901
    CConnection: Server supports RFB protocol version 3.8
    CConnection: Using RFB protocol version 3.8
    TXImage: Using default colormap and visual, TrueColor, depth 24.
    CConn: Using pixel format depth 6 (8bpp) rgb222
    CConn: Using ZRLE encoding

    Wed Jan 10 18:30:16 2007
    main: write: Broken pipe (32)
    ------------

    Does Xvnc4 have any logs anywhere?

  10. #210
    Join Date
    Jan 2007
    Beans
    5
    Distro
    Edubuntu 7.04 Feisty Fawn

    Re: HOWTO: Set up VNC server with resumable sessions

    To confirm the what reported in the previous message (from coulier) I restate what I reported before: my problems with vnc and resumable sessions (vncserver instanciated by xinetd) started Saturday when I updated vnc4server to the lastest version, once I reversed it back to the previous release the problem went away. Overall I still have problems using vnc though, few days ago I wrote a message in the forum to explain the issues but I didn't get any feedback so far. Briefly when I start a vnc session from ssh I get a gray screen on the vncviewer window, in my case the cause seems to be the fact that gnome fails to start. I do not know how to fix it, if someone has any suggestion...

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