zaq

[zaq]

Hello Richcmwang,

Looks like the error message can be triggered by adding or changing
any *.desktop file. It isn’t caused by error in *.desktop file. You
can easily trigger this message by changing date:

sudo touch /usr/share/applications/firefox.desktop

In syslog I’ve found other type of error messsages:

gnome-software[3456]: Failed to find one package for NoMachine-base.desktop, /usr/share/applications/NoMachine-base.desktop, [0]

You can disable them by adding to:

/var/lib/dpkg/info/nomachine.list

these lines:

/usr/share/applications/NoMachine-base.desktop
/usr/share/applications/NoMachine-base-unity.desktop
/usr/share/applications/NoMachine-base-xfce.desktop
/usr/share/applications/NoMachine-nxs.desktop
/usr/share/applications/NoMachine-nxv.desktop
/usr/share/applications/NoMachine-status.desktop
/usr/share/applications/NoMachine-status-unity.desktop
/usr/share/applications/NoMachine-status-xfce.desktop

[zaq]

Hello,

Please download again. There was a slight hitch with the package online
and it’s now been fixed. Sorry for any inconvenience.

[zaq]

Looks like everything is ok. User nx is created and used by NoMachine. Also this user shouldn’t be visible in login window. Do you have other doubts?

[zaq]

Hello Fastidious,

Nx user is needed for proper working. You can find more in:

https://www.nomachine.com/AR01N00871

However if you see user nx as available user in Login Window then please let us know and check using following command:

sudo /usr/bin/defaults read /Library/Preferences/com.apple.loginwindow HiddenUsersList

In this case helpful will be nxinstall.log, nxupdate.log from:

/Library/Application\ Support/NoMachine/var/log/

Log files please send to forum[at]nomachine[dot]com.

• This reply was modified 6 years, 1 month ago by zaq.

[zaq]

Hello Marty39

Looks like you have Mint 64 bits and you installed a package for 32 bits:

1. Download the x64 package:

https://www.nomachine.com/download/download&id=5

2. Uninstall current package:

sudo dpkg -P nomachine

3. Remove all leftovers:

sudo rm -rf /usr/NX /etc/NX /var/NX

4. Install new package:

sudo dpkg -i nomachine_6.2.4_1_amd64.deb

To check architecture of your machine you can use this command:

uname -m

[zaq]

Hello,

Do you use ActiveDirectory/LDAP/domain users?

Could you send to us output from:

1) id nx

2) getent passwd nx

3) /usr/sbin/useradd -d '/var/NX/nx' -p '*' -g nx -s /bin/false -r nx

[zaq]

Hello dmanushin,

Looks like you have 64 bits (x86_64) operating system and you installed NoMachine package
for 32 bits (i686). I expect that you use NoMachine Free, so I use this type of installation in
my instruction.

Firstly please uninstall current NoMachine package:

sudo rpm -e nomachine

remove leftowers:

sudo rm -rf /usr/NX /etc/NX /var/NX

Download the right package:

https://www.nomachine.com/download/download&id=14

install the new package:

sudo rpm -i nomachine_5.3.10_6_x86_64.rpm

Now you can use NoMachine.

[zaq]

Hi mikeev,

Looks like your graphic card without a connected monitor works
in power save mode and doesn’t draw graphics properly. This is
the reason why you got black screen. The solution is to disable
graphical runlevel of your headless Ubuntu 16.04. You can simple
run:

sudo systemctl stop gdm.service

sudo /etc/NX/nxserver --restart

You should got expected warning about X server.

sudo systemctl set-default -f multi-user.target

Now you can connect to the machine and NoMachine create graphical
session. If you got problems with resolution you can change it in
display settings:

https://www.nomachine.com/changing-how-you-view-the-remote-host

If you want to restore your previous default runlevel just execute:

sudo systemctl set-default -f graphical.target

and after next reboot your OS should display Gnome.

[zaq]

Hello mikeev

We couldn’t reproduce your problem in our laboratory. We need more
information. Please follow steps below:

1. Check if you have installed desktop environment. Please send
the output to us.

dpkg -l ubuntu-desktop

ls -l /etc/X11/Xsession

2. Check if Xorg process exists. Please send the output to us.

ps -ef | grep -i xor | grep -v grep

3. Gather logs:

a) Edit the /usr/NX/etc/server.cfg file. Uncomment and set the
following:

SessionLogLevel 7

b) Edit the /usr/NX/etc/node.cfg file. Uncomment and set the
following:

SessionLogLevel 7

and:

SessionLogClean 0

c) Reboot nxserver:

sudo /usr/NX/bin/nxserver --restart

d) Reproduce the problem – try create connection to Ubuntu headless
when monitor isn’t connected.

4. Pack the whole log directory:

tar czf log.tar.gz /usr/NX/var/log

5. Send the log archive to forum[at]nomachine[dot]com

[zaq]

Hello higrys

We couldn’t reproduce the problem in our laboratory. Could you
reinstall NoMachine again and reproduce problem?

1. Uninstall NoMachine:

sudo dpkg -P nomachine

2. Remove all directories:

sudo rm -rf /usr/NX /etc/NX /var/NX

3. Check architecture of your OS:

uname -a

If the output include: x86_64 x86_64 x86_64 GNU/Linux
you should use x64 package:

nomachine_5.2.21_1_amd64.deb

if you got: i686 GNU/Linux or i386 GNU/Linux
please use x32 package:

nomachine_5.2.21_1_i386.deb

4. Install NoMachine.

x64 system:

sudo dpkg -i nomachine_5.2.21_1_amd64.deb

x32 system:

sudo dpkg -i nomachine_5.2.21_1_i386.deb

5. Gather logs and reproduce the problem like in this link:

https://www.nomachine.com/DT07M00098#1

and send packed logs to forum[at]nomachine[dot]com.

[zaq]

Hello EddieA

Could you set in your Slackware /usr/NX/etc/node.cfg:

DefaultDesktopCommand "/usr/bin/startSession.sh"

Put attached script to /usr/bin/ and set this permissions:

chown root:root /usr/bin/startSession.sh

chmod 555 /usr/bin/startSession.sh

and try to run NoMachine connection to your Slackware.

• This reply was modified 7 years, 6 months ago by zaq.
• This reply was modified 7 years, 6 months ago by zaq.

Attachments:

1. startSession.sh_.tar.gz

[zaq]

Hello,

You can simply remove broken NoMachine installation:

sudo dpkg -P nomachine

sudo rm -rf /usr/NX /etc/NX /var/NX

and install again

• This reply was modified 7 years, 7 months ago by zaq.

[zaq]

Yes it’s a bug, it’ll be fixed in a next release.

[zaq]

Hello iainhallam

When you installed package nomachine_5.2.11_1_x86_64.rpm you
shouldn’t install nomachine-enterprise-client because nomachine
‘server’ package also includes ‘client’ part. If you need on
your machine only NoMachine client, please just run as root:

/usr/NX/scripts/setup/nxplayer --update

This fixes the problem with ‘Applications’ menu entry.

If you need installed server and client parts on your machine,
please remove existing package:

rpm -e nomachine-enterprise-client

and install again:

rpm -i nomachine_5.2.11_1_x86_64.rpm

[zaq]

Looks like you are trying to connect by SSH protocol to the port 4000.
To fix this you can create a new connection in nxplayer and use
default settings or you can change your current connection:

1. Open nxplayer and find icon of your current connection.

2. Click right mouse button on the connection.

3. From a context menu choose ‘Edit connection’.

4. In ‘Protocol’ field choose NX.

5. In ‘Port’ field set 4000.

6. Accept your changes by clicking ‘OK’ button.

After the fix if you still have problem, please try connect again.
Wait until error shows up in nxplayer and then click ‘Save logs’
button. Please save and send the log file to us.

[Author]

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