kroy

[kroy]

Also in the home directory – C:\Users\your_username\.nx

[kroy]

Hi

You don’t have to change IP manually. It will change automatically after few seconds. Problem is that it looks that you already entered IP manually and it’s saved permanently in connection file now. You can remove that change with editing .nxs (probably last file in the: ~/.nx/cache/) on client side. Find line with key “Server host” and delete IP value like here:

<option key=”Server host” value=”” />

[kroy]

Hi

Is NoMachine currently do not use systems-login daemon?

NoMachine don’t use systems-login daemon.

If there is a need we could propose some custom script that would set Idlehint=yes, for example with this command:

dbus-send --system --print-reply --dest=org.freedesktop.login1 /org/freedesktop/login1/session/c21 "org.freedesktop.login1.Session.SetIdleHint" boolean:true

(where c21 is ID of your session).

[kroy]

You should revert changes – it looks it’s indeed script, not a file with keys. Are you using physical desktop? If yes – agent forwarding won’t work. Agent forwarding option can be used on virtual and custom sessions (even already existed).

[kroy]

Hi

According to http://pamsshagentauth.sourceforge.net/ authorized_keys_command specifies path to command not a file with keys:

auth sufficient pam_ssh_agent_auth.so authorized_keys_command=/path/to/command
Use /path/to/command, which will receive a single argument, the name of the user authenticating, to look up authorized keys. the output of the command is expected to be in authorized_keys2 format. This runs the command as the user authenticating

If /usr/bin/sss_ssh_authorizedkeys is path to file with authorized keys tru set in /etc/pam.d/sudo:

auth    sufficient   pam_ssh_agent_auth.so file=/usr/bin/sss_ssh_authorizedkeys debug

[kroy]

Can you check what shows with whereis "libpam.so.0" command, and htat are you able to log as local user with: /usr/NXbin/nxexec --auth (execute that command as local user, do not use “sudo”).

[kroy]

If configuration on that Slackware wasn’t changed, there shouldn’t be a problem with creating the desktop. Are you able to run startx from your virtualization client? If not, that would indicate a problem with image after ESXi upgrade. If desktop started and after sudo /etc/NX/nxserver --restart you’re still not able to connect, please send logs. First enable them, reproduce the problem and then collect logs (more instructions are there: https://knowledgebase.nomachine.com/DT11R00182).

[kroy]

Hi

Please edit /usr/NX/etc/node.cfg and set following key:

DefaultDesktopCommand "/usr/bin/env XDG_CONFIG_DIRS=/etc/xdg:/etc/kde/xdg /usr/bin/dbus-launch --sh-syntax --exit-with-session /usr/bin/startplasma-x11"

[kroy]

Hi.

You have two Ubuntu: ubuntu-mobile (not available for connections from other network) and ubuntu-home (it’s in local network and it’s available for connections from your mobile phone and over internet). On ubuntu-home needs to be installed ssh server (sudo apt install openssh-server).

Open terminal on ubuntu-mobile machine and create reverse tunnel:
ssh -fN -R ubuntu-mobile-IP:14000:localhost:4000 username-ubuntu-home@ubuntu-home-IP
or
ssh -fN -R *:14000:localhost:4000 username-ubuntu-home@ubuntu-home-IP

The first command allows you to connect through SSH tunnel from ubuntu-home machine, the second – form any address on the Internet. To connect open NoMachine Player set as IP ubuntu-home-IP and 14000 as Port (where 14000 is any unused port before ssh tunneling on ubuntu-home machine).

[kroy]

It seems that it was a problem with some system configuration, unrelated to NoMachine. Feel free to write here again if the problem would show again.

[kroy]

We are investigating the problem. Meanwhile you can edit org.gnome.Shell.desktop entry

sudo vim /usr/share/applications/org.gnome.Shell.desktop

and change line:
Exec=env LD_PRELOAD=/usr/NX/lib/libnxegl.so /usr/bin/gnome-shell
to this:
Exec=/usr/bin/gnome-shell

and tell us if it helps.

[kroy]

Thanks for letting us know.
It’s not necessary to remove NoMachine. Network broadcasting informations are cached in ~/.nx/cache folder – to clear remove correct .nxs file or remove all files from that directory.

[kroy]

Can you check what the uname -n command shows on that “Host-B” machine? On NoMachine player you should see exactly the same hostname.

[kroy]

DefaultDesktopCommand "/usr/bin/cinnamon-session --session cinnamon" should fix the problem with virtual desktop.

Regarding to physical desktop – we cannot reproduce such problem on Mint 19.3 with LightDM. Is it clean installation of the NoMachine? If it’s update, upgrade or some re-installation – execute following commands:

sudo /etc/NX/nxserver --addtoredis
sudo /etc/NX/nxserver --restart

and recheck. If that won’t help we suggest to remove NoMachine with all config files:

sudo dpkg --purge nomachine
sudo rm -rf /usr/NX /etc/NX /var/NX

and install again newest package.

[kroy]

Possibly that could be some Router software problem. You can try router reset or upgrade firmware. You can also try to manually set up port forwarding. This is an example of how you can open ports on your router model: https://portforward.com/linksys/wrt54gl/

In your case you can try:

Application: NX
Start: 4000 (this is the default NX port)
End: 4000
Protocol: Both
IP Address: 192.168.1.102 (there should be local IP to your machine with nxserver – according to output which you paste it’s IP with 102 ending)
Enable: yes (just check the box)

Save settings. Then you should be able to connect there using External IP and choosen 4000 port

[Author]

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