NoMachine version 4.2.21 now available

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    To all NoMachine users,

    NoMachine makes available today an update aimed at solving issues affecting the recent 4.2 release. The new version, 4.2.21, provides fixes for the following:

    TR04L04354 – Setting the ConnectionsLimit key in the Workstation doesn’t limit the maximum number of connections
    TR04L04368 – Enabling ‘Grab the keyboard input’ does not send Alt+F4 shortcut to session
    TR04L04356 – Clicking on the Gnome Logout during the session does not work
    TR04L04357 – Display settings are not saved when disconnecting session
    TR04L04361 – Graphical glitches are visible in emacs and nedit applications
    TR04L04362 – High CPU and disk space usage with nxplayer.bin process
    TR04L04363 – Option to start a Gnome, Kde or XDM virtual Desktop session is missing
    TR04L04337 – Sometimes error ‘The connection has timed out’ occurs when starting a new virtual desktop session in a multi-node environment
    TR04L04364 – High CPU usage of nxnode.bin process
    TR04L04365 – Nxserver does not terminate cleanly when reporting error to user
    TR04L04366 – Session terminates abruptly when scrolling a web page on Firefox
    TR04L04367 – Images in the web browser are rendered incorrectly in virtual desktop sessions
    TR04L04369 – Replacing files during file-transfer creates ‘.filepart’ extension

    Supported Platforms

    Windows 32-bit/64-bit XP/Vista/7/8

    Mac OS X Intel 64-bit 10.5/10.6/10.7/10.8/10.9

    Linux 32-bit and 64-bit
    Red Hat Enterprise 4/5/6
    SLES 10/11
    Open SUSE 10.x/11.x/12.x
    Mandriva 2009/2010/2011
    Fedora Core 10/11/12/13/14/15/16/17/18
    Debian GNU Linux 4.0 Etch/5.0 Lenny/ 6.0 Squeeze/ 7.0 Wheezy
    Ubuntu 8.04 Hardy Heron/8.10 Intrepid Ibex/Ubuntu 9.04 Jaunty Jackalope/
    9.10 Karmic Koala/10.4 Lucid Lynx/10.10 Maverick/11.04 Natty/11.10 Oneiric/12.04 Precise Pangolin

    Download NoMachine Packages

    You can download the latest packages suitable for your Operating System from the NoMachine Web site at the following URL:

    Or from your Customer Area if you are a registered customer.

    Automatic updates

    To update any of the NoMachine servers:

    – Run the NoMachine GUI from your Programs Menu.

    – Click on ‘Preferences’ and ‘Updates’.

    – Then click on the ‘Check now’ button.

    To update the NoMachine Enterprise Client:

    – Click on ‘Preferences’ and ‘Updates’.

    – Then click on the ‘Check now’ button.

    Manual package update

    Please follow the instructions to update your installation manually:

    On Windows:

    – Download and save the EXE file.
    – Double click on the NoMachine executable file.
    – As for the installation, the Setup Wizard will take you through all steps necessary for updating NoMachine.

    On Mac OS X:

    – Download and save the DMG file.
    – Double-click on the Disk Image to open it and double-click on the NoMachine program icon.
    – As for the installation, the Installer will take you through through all steps necessary for updating NoMachine.

    On Linux:

    You can use the graphical package manager provided by your Linux distribution or update NoMachine by command line by following instructions below.
    If you don’t have the sudo utility installed, log on as superuser (“root”) and run the commands without sudo.


    – Download and save the RPM file.
    – Update your NoMachine installation by running:

    # rpm -Uvh <pkgName>_<pkgVersion>_<arch>.rpm


    – Download and save the DEB file.
    – Update your NoMachine installation by running:

    $ sudo dpkg -i <pkgName>_<pkgVersion>_<arch>.deb


    – Download and save the TAR.GZ file.
    – Update your NoMachine installation by running:

    $ cd /usr
    $ sudo tar xvzf <pkgName>_<pkgVersion>_<arch>.tar.gz
    $ sudo /usr/NX/nxserver –update

    If you are installing Enterprise Client or Node run respectively:

    $ sudo /usr/NX/nxclient –update
    $ sudo /usr/NX/nxnode –update


    Installation and configuration guides for the NoMachine products are available at:

    The NoMachine Development Team

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