brotech

[brotech]

Hello,
the url to download recent package has been changed, now it is:

https://www.nomachine.com/free/linux/64/deb

Replaced ‘download’ by ‘www’. So, full command now is:

wget https://www.nomachine.com/free/linux/64/deb -O nomachine.deb

[brotech]

Hello,
seems that are some problems with correct handling of the Fedora 32 Login Window.

The workaround should be to set in /usr/NX/etc/server.cfg:
PhysicalDesktopAuthorization 0

It disables asking for access to the desktop, so use only if there is no other user on that host which should access the desktop.

And the second thing is that switch doesn’t work correctly after login/logout to desktop
so you need to disconnect and connect again.

[brotech]

Hello am312,
currently, NX doesn’t require Internet access to confirm the license.

[brotech]

Hello,
yes it should work without additional methods.

Can you please enable debug on server side, restart nxserver then reproduce issue, collect logs and send as mail attachment to address forum (at) nomachine.com with title
“password-required-for-private-key-connection”

Detailed instructions about collecting logs on both side(client and server)
are available here:
https://www.nomachine.com/AR10K00697 (for server side logs)
and https://www.nomachine.com/DT10O00163#2 (client side).

Regards

[brotech]

Hello,

if I understood correctly, you are trying connect to ‘clients’, when client means only nxplayer.

What have you installed on the Mac hosts that you want to connect?

You should have Enterprise Desktop installed in order to share the desktop. You can add them to the Cloud Server using the command:

/etc/NX/nxserver --serveradd hostname

executed on Cloud Server as administrator or through sudo.

After that students should see a list of available desktops in Cloud Server. If you would like assign a student to a particular ED host, without the need for them to select the host itself, You can use:

/etc/NX/nxserver --useredit student_username --forward-connection ed_host:4000

Regards

[brotech]

Hello Ernest,
in that location, NX creates a session’s directory. But when the session finishes,
it is cleaned up. When a session ‘fails’, that directory is renamed to F-session_dir, which allows to find the reason why the session failed.

Anyway, a ‘large amount’ of folders is the sign of problems on that host, and it is not a common case.

Can you share the whole log directory (with that node subdirectory) ?

$ cd “/Library/Application Support/NoMachine/var/”
$ sudo tar cvfz NoMachine-log.tar.gz log

And please send NoMachine-log.tar.gz as an attachment by e-mail to:
forum[at]nomachine[dot]com with subject:
“LARGE amount of folders”.

regards

[brotech]

Hello Paul,

The command /etc/NX/nxserver run nxserver depends on the configuration used
during the installation. Which kind of package did you install ?

Could you please share some details about your linux platforms/distro, and show for example the output of ‘uname -a’ command ?

Regards

[brotech]

Hello,
it looks very likely to be: https://www.nomachine.com/TR04R09623
“The nxservice service starts and stops after 10-30 seconds”
workaround is inside.

Please let me know if it helps.

[brotech]

This step:
“get the latest version of NoMachine on the web site”

can be done using the command as:

wget https://download.nomachine.com/free/linux/64/deb -O nomachine.deb

it will download the most recent deb package.

[brotech]

Hello Zenith,

logs which you sent don’t have enabled debug for NXServer. And so I cannot help you.

Please to run this command on the server host:

sudo /etc/NX/nxserver --debug --enable server

You should see ouput as:

NX> 900 Debug mode enabled for: server

What does nxserver report to you when you run that command?

[brotech]

Hello Zenith, can you enable debug on server side using a command executed on your linux host (nxserver side) by root:

/etc/NX/nxserver --debug --enable server

or using sudo:
sudo /etc/NX/nxserver --debug --enable server

After enabling debug, please connect and login from your connecting client and with user ‘oem’.

When the problem appears again please share nxserver.log, nxerror.log files from /usr/NX/var/log/ directory and additionally /var/log/auth.log file,
and attach also server configuration file (/usr/NX/etc/server.cfg).

All those files please send to forum[at]nomachine[dot]com with subject:
“cant-login-authentication-failed-please-try-again”

Reproducing problem with enabled debug should allow us to find a reason for problem.

Regards

 

 

[brotech]

NX is using MDNS protocol for advertise its presence to other NoMachine computers, visible for example in third party tool – Wireshark.

[brotech]

Hello,

Preventing a user from logging in to an ED is achieved by ensuring that a user always logs in to the same host. You do this by setting “forward connection” to the specific ED for a particular user. If admin sets this for all users, then you can avoid showing ED hosts which are available and/or unavailable: the user will simply go the to ED which is for him only.

root@cs3:~# /etc/NX/nxserver –useredit adam –forward-connection ed1
NX> 106 Modifying settings for user: adam

root@cs3:~# /etc/NX/nxserver –userlist
NX> 149 NX users list

Username   NX administrator Redirected to Trusted physical for Trusted virtual for Screen sharing Access  Forwarded to
———- —————- ————- ——————– ——————- ————– ——- ————————————
adam                                                                            enabled        enabled 9de912ca-ae7b-45c2-8234-f75d363b086f

How user adam will connect to ED1? It depends on the serveradd options which are ‘ –forward-nx-methods token|system|tunnel’.
‘token’ and ‘system’ mean that nxplayer will disconnect from CS and connect directly to ED1, where tunnel
means that whole connection will go through CS. You can check how your forwarding methods are set using:
/etc/NX/nxserver --serverlist

and modify using /etc/NX/nxserver --serveredit

There is a FR03R03953, “Displaying the number of users connected to the child servers”
which should be release soon in a maintenance update for v6. This might be of interest to you as well.

 

[brotech]

The value of server configuration file SSHAuthorizedKeys, need to be the same as value of SSHD’s AuthorizedKeysFile config key. When is different
authentication base on pair keys will doesnt work.

NXServer config file should be in: /usr/NX/etc/server.cfg
SSHD config file: /etc/ssh/sshd_config

[brotech]

Hell ndavrr,
in the NX player on Windows 7 you should use the IP of the ubuntu machine (which I understand you are doing). The port depends on the protocol (not display), for sessions using the NX protocol, the default port is 4000; for SSH connections the port is 22.

NoMachine Player first connects to the NoMachine server, asks for authorization and then you choose a session to attach to or you create one.

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