After upgrading freenx from 3.5 to 4, I have connection problems

Forums / NoMachine for Linux / After upgrading freenx from 3.5 to 4, I have connection problems

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  • #204
    Dave55
    Participant

    Hey
    After upgrading freenx from 3.5 to 4, I have connection problems.

    OS: Ubuntu 12.04 LTS 64 bit

    Freenx server gives me this error:

    20:23:05:688.269 NXSERVER-4.0.352[21445] WARNING: Cannot open:
    /usr/NX/var/db/node/hostinfo No such file or directory
    20:23:05:694.122 NXSERVER-4.0.352[21445] WARNING: Cannot open:
    /usr/NX/etc/cluster.db No such file or directory
    20:23:06:144.563
    20:34:27:405.643 NXSERVER-4.0.352[22383] WARNING: Cannot open:
    /usr/NX/var/db/running/sessionId{9A1C6A367C092F22AD8F2C3763BA8D48} No
    such file or directory
    20:34:27:430.803 NXSERVER-4.0.352[22383] WARNING: Cannot open file
    ‘/usr/NX/var/db/running/sessionId{9A1C6A367C092F22AD8F2C3763BA8D48}’ for
    reading: No such file or directory.
    20:34:27:595.991 NXSERVER-4.0.352[22383] Starting NoMachine server and
    services.
    20:36:13:868.332 NXSERVER-4.0.352[22538] Shutting down NoMachine server
    and services.
    Missing log level from: (main, (eval 1), 9408,
    main::mark_session_dir_as_terminated) and message Cannot rename
    directory ‘/home/david/.nx/C-SERVER-0-C55D94F9A19EB8D4C9D5403F769A8B99’
    moved into
    ‘/home/david/.nx/T-C-SERVER-0-C55D94F9A19EB8D4C9D5403F769A8B99’: No such
    file or directory20:36:19:180.192 NXSERVER-4.0.352[22538] WARNING:
    Cannot open:
    /usr/NX/var/db/running/sessionId{C55D94F9A19EB8D4C9D5403F769A8B99} No
    such file or directory

    By the way it’s not a problem to make ssh connection to the server, but connecting to localhost on the server with freenx, is a problem.

    Do your guys have a solution to fix this?

    Regards

    David

    #207
    Dave55
    Participant

    I also trying manually removing the /usr/NX/ directory and then reinstalling the 4.0 version, without success.

    #220
    Dave55
    Participant

    The weird thing is that I get this message:
    root@SERVER:/home/david# /usr/NX/scripts/setup/nxserver –keygen
    NX> 900 SSH connections are not supported on this server

    Do you have any solution om that?

    #221
    tuuk
    Participant

    I think my problem might also be related to this. I get the same error message in the “connection” log file.

    I have posted it on this forum
    http://www.nomachine.com/forums/forums/topic/unable-to-connect

    I would very much like to resolve it.

    Any ideas?

    #223
    titan
    Participant

    I’m afraid the reason is that you are trying to connect by ssh to a free NoMachine install. The free version doesn’t support SSH. Be sure you select the NX protocol in the client settings.

    There are good reasons why SSH is not in the free version. People expect software to install and work out of the box, while SSH requires that you install and configure SSH beforehand. This is not what the average user expects (in this respect previous NoMachine versions were the exception, rather than the rule). Second SSH can be tricky to configure. If you search the Internet you easily realize that 90% of problems people had with versions before the 4 were with configuring SSH, rather than the software itself. Probably NoMachine thinks support is better employed at handling the paying customers, rather than the users of the free version. Third the NX protocol can use both TCP and UDP for multimedia traffic and this can make a huge performance difference. Clearly NoMachine wants people to get the best from the software. If you are in a setting where you can’t open the port on the router, or are smart enough to know how to configure SSH, you can still tunnel the NX connection over SSH, as you would do for any other protocol.

    #229
    Dave55
    Participant

    Thanks that solved the problem, now i made a ssh tunnel to the server.

    Another question how do I change keyboard keys to Danish?

    #230
    titan
    Participant

    I opened another topic, so that it can be found by others.

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