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Released on:
Searching in: Software Updates
ID: SU06P00198
Released on:  2018-06-12
Last update: 2018-06-12
NoMachine 6.2.4 now available

Luxembourg, June 12th, 2018

NoMachine makes available today a new minor software update which improves UDP communication and data transmission, simplifies procedures for activating VirtualGL support on Linux, provides enhancements to configurations on a per-node basis in multi-node environments and introduces the possibility to start virtual desktops via command line, for example for benchmark purposes.

This new version, 6.2.4, additionally provides fixes for issues affecting previous versions.

Enhancements available are:

FR10N03215 - Providing a command line interface for configuring automatically VirtualGL on Linux
FR03N03073 - Configuring desktop authorization on a per-node basis (for Linux multinode environments)
FR06M02943 - Adding support for groups of nodes (for multi-node environments)
FR06O03458 - Giving the possibility to start a virtual session from command line
FR02M02865 - Providing a new 'nxserver --status' command to be less resource intensive
FR02N03053 - Extending the AutomaticDisconnection configuration key
FR02P03584 - Enabling the disconnect/terminate dialog in web sessions
FR02O03321 - Adding the 'NX administrator' column to the output of the nxserver --userlist command
FR08M02962 - Adding options --group and --extended to 'nxserver --userlist' command
FR11O03546 - Giving the possibility to change audio output device in a NoMachine web session
FR10O03529 - Supporting touch and mouse events in NoMachine web sessions
FR03M02880 - Informing users that password cannot be empty to authenticate on Windows from remote

This latest release also provides the following fixes:

TR02P08393 - Custom sessions windows are moved to the bottom of the monitor when they are re-connected
TR03P08471 - Artifacts appear in BlackMATE for a while when scrolling
TR04N06794 - Floating windows could be opened outside the visible area in a multi-monitor setup
TR04P08482 - Cannot close a session running in view-only mode
TR04P08493 - Warning messages 'PA_SendCommandCli: Unable to open cli socket' are present in the server log
TR04P08499 - Users cannot start virtual desktops on the manually selected node
TR04P08515 - Warning 'NXRunUnLog failed with error 2' is printed when the AFS environment is not configured
TR04P08523 - Focus gets lost when a popup window appears in IntelliJ IDEA software running in floating window mode
TR04P08530 - NoMachine doesn't recognize the TWM window manager
TR04P08533 - The automatic screen lock is not activated with some Window Managers
TR05P08538 - The nxhtd web server is not installed when upgrading a server from v. 5 to v. 6.1.6 by RPM package
TR05P08539 - The 'classic' method is used as fallback also when it's disabled in the AcceptedWebMethods key
TR05P08562 - Kerberos tickets are destroyed when the NoMachine server is restarted or shutdown
TR05P08569 - A second VNC login is requested inside the NoMachine session
TR05P08570 - A wrong panel is displayed together with the 'Creating a new virtual desktop' waiting wheel on Chrome
TR08O07998 - Wacom USB tablets don't work reliably in a NoMachine session
TR09N07196 - The search pop-up window suddenly disappears when PyCharm is run in a custom session
TR10N07302 - The nxclient.bin process has high CPU/memory usage on RHEL 6
TR11N07362 - Cannot restart the server by running manually the init script
TR02N06446 - NVIDIA hardware encoding initialization error
TR05P08540 - A wrong message is displayed when restarting the server
TR05P08586 - Cannot authenticate when connecting by SSH and a method different from password authentication
TR06P08613 - When disconnecting, NoMachine client hangs on Windows 10 (April 2018 Update) if the panel to connect USB devices has been previously opened
TR06P08608 - Cannot forward USB devices from/to Windows 10 (April 2018 Update)
TR06P08618 - The virtual desktop terminates unexpectedly when the remote screen has been resized
TR05P08594 - Cannot reconnect a virtual desktop created via web on a remote Terminal Server Node


Supported Platforms

Windows 32-bit/64-bit XP/Vista/7/8/8.1/10

Mac OS X Intel 64-bit 10.7/10.8/10.9/10.10/10.11/10.12/10.13

Linux 32-bit and 64-bit

Red Hat Enterprise 4/5/6/7
SLED 10.x/11.x
SLES 10/11/12
openSUSE 10.x/11.x/12.x/13.x/42.x/15.0
Mandriva 2009/2010/2011
Fedora 10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28
Debian GNU Linux 4.0/5.0/6.0/7.0/8.0/9.0
Ubuntu 8.04/8.10/9.04/9.10/10.4/10.10/11.04/11.10/12.04/12.10/13.04/13.10/14.04/14.10/15.04/15.10/16.04/16.10/17.04/17.10/18.04

Raspberry Pi 2/3 ARMv6/ARMv7/ARMv8


Important notices

All customers are invited to read the following document available in the Knowledge Base for further information about what has changed and how to proceed with updating from version 5:

Installations of version 6 can proceed with using automatic updates from within the User Interface.

Due to the changes introduced by Apple which has dropped support for 10.5 and 10.6 in recent compilers, NoMachine has discontinued support for those OS X versions. It will still be possible to request packages specifically built for 10.5 and 10.6 under the provisions of a support contract.


Download NoMachine Packages

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

Customers with valid subscriptions should log in to their customer area and download the "Production version". The procedure of downloading and installing Update Version packages is now obsolete.

Automatic updates

The automatic check for updates is scheduled to check our repositories every two days.

To update the free NoMachine package:

- Open the NoMachine User Interface from your Programs Menu.

- Click on 'Settings', then on the 'Server preferences' and finally on 'Updates'.

- Then click on the 'Check now' button.

To update the NoMachine Enterprise Client immediately:

- Click on 'Settings' and 'Updates'.

- Then click on the 'Check now' button.

More information about the check for automatic updates is available here:

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