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Change the system account of the connecting user to one with fewer permissions on the remote host, then they won’t be able to access the server/node cfg nor alter the settings in the server GUI. If the connecting user is an admin user, it’s impossible to prevent them from accessing the server preferences.
Kurt, we’ve found what the problem is and our developers are looking into a possible solution. For some reason no confirmation that session is running is received from the agent, why this is I cannot say, this is what our developers are investigating. So, I am unable to give you an immediate workaround here. It is probable that we will need to send you a patched package, also with debug enabled. I or one of the developers will update the topic soon.
The file didn’t attach, probably because it exceeded the max size allowed. Please send it to forum[at]nomachine[dot]com making sure you insert the title of this topic in the subject and indicate your forum nickname. Thanks!
Please take a look at: https://www.nomachine.com/AR11L00827
The implementation of the upcoming feature NoMachine Network will make this type of intervention on the router and firewall unnecessary. You can read more about this here: https://www.nomachine.com/FR07J02731
Zenith, just to confirm because this topic is quite long (in theory it would be wiser to open a new topic about performance), you are connecting from Windows to Linux, aren’t you? In any case, regardless of the OS you are connecting, when connecting to the physical desktop, the supported resolutions are those of the remote graphics card as listed in the System settings on the server. I.e., the session resolution on the client cannot be higher than the maximum resolution supported by the remote graphics card which in your case is on the Linux host you are connecting to.
More information is here:
Resize and scaling options for NoMachine client version 4 or later
https://www.nomachine.com/AR02M00835About performance. You can check a few things.
1) Check CPU usage, on the client but more importantly on the server
2) What changes when you move the Quality slider during the session?
3) Try switching off the X-server, that way NoMachine will activate its own. This article explains how to do that. https://www.nomachine.com/AR03P00973. If you read there, also look at points 3 and 4).
Can you also look in the session in the C-*/session logs to see what is written there with regards to H.264?
If you get:
Info: Using H.264 software encoder.
the encoding is done by the CPU, otherwise you’ll get “hardware encoder” if it is done by the GPU.
I will answer for points 5 and 6
Point 5)
Also I do not fully understand this article:
That Trouble Report is nothing to do with manual port-forwarding on the router. It’s referring to the GWPort box in the server GUI Services panel which is not being flagged correctly. In this panel the port that NoMachine server has automatically chosen to allow connections to the computer over the Internet is printed. See our Server Guide, specifically section 2, (see the guide here: https://www.nomachine.com/DT10O00155#2.1.)
Point 6)
And I also don’t understand the concept behind this post:
https://forums.nomachine.com/topic/problem-mapping-gateway-port#post-18936
The topic you mention is also not your case. In that particular topic, the user was having issues with changing the port in the Services panel of the server GUI, mentioned in point 5. That user wanted to change the port of a particular computer to his preference. The message returned was “Failed to map the port on the Gateway” in his case.
NoMachine works like this. NoMachine tries to use UPnP to carry out port-forwarding on its own. When NoMachine starts, it automatically selects and maps certain ports to prepare for outside access. If you want, you can change the port (GWPort) to something more memorable to allow connections from the outside (see the same guide mentioned above). This is the port which shows up in the Welcome Panel when opening NoMachine on the server.
On some occasions, NoMachine can’t enable UPnP on its own for whatever reason, and it’s necessary to intervene manually on the router. In this case, you change nothing in the UI of NoMachine and any intervention is only done on your router according to the instructions for port-forwarding of your specific router.
As for point 1) I’d just like to add that when a user doesn’t specify the actual version in numbers, it’s standard practice that we ask just to make sure. The community edition you refer to I imagine is the free version and that you downloaded it from our website.
I reviewed this previous post with a similar problem:
https://forums.nomachine.com/topic/failed-to-map-the-port-on-d-link#post-24387
We test NoMachine in a multitude of set-ups with multiple types of routers as well, but we can’t for obvious reasons test with every router available on the market. This particular user had a problem with an old D-link router which was proving difficult to configure. Replacing it solved the connectivity issues.
Any attachments can be sent to forum[at]nomachine[dot]com. If they are large files, or too many, attaching can sometimes fail. Make sure you include the title of your topic in the subject. Thanks!
You should check how you have configured your system’s settings screen lock. See example attached.
Then, if changing that doesn’t help, you will need to provide more details. On both sides, assuming you have the free version of NoMachine installed on the Windows and Linux hosts, open NoMachine, go to Settings -> Server Preferences -> Updates. What’s the version printed there?
https://www.nomachine.com/DT10O00155#2.6.
We will need to know the desktop environment on the Linux host, plus the actual distribution and version (maybe CentOS?).
Attachments:
Use of the free version is for non-commercial use. If you’re not using the game server for financial profit, it would not be considered commercial use.
Maybe your router does not support UPnP – this is why UPnP doesn’t show up. You could try port forwarding. We looked for an article in English for that specific router on how to enable port forwarding correctly but couldn’t find a good one. Perhaps you are able to find one in French?
Thanks for letting us know. You could have also changed:
/usr/bin/xdg-open /home/acer/Documents/NoMachine/Exodus_ZT.nxsto:
/usr/NX/bin/nxplayer --session /home/acer/Documents/NoMachine/Exodus_ZT.nxsHI Kurt, we received the logs. Apologies for not specifying that the logs are meant to be from the Enterprise Desktop host. We’ll provide some feedback soon.
Agent logs are missing. We would need the whole content of the ‘var/log’ dir of the server host.
Please check for core files. If found, you should follow the instructions here:
https://www.nomachine.com/AR09L00810If there is no core file but you can find a crash report in the ‘/var/crash’ dir, you can use the instructions provided in this forum post:
https://forums.nomachine.com/topic/error-is-108-connection-reset-by-peer#post-24472Hi Kurt, what we need is the full set of logs, not just the crash report 🙂
Follow those instructions that Mth provided and then send the whole file to forum[at]nomachine[dot]com.
Hi! NoMachine software is free for non-commercial use. If you are using the software at work, or in a commercial environment, you are required to acquire to buy one of our Enterprise products. NoMachine doesn’t try to guess or find out whether you are using the software in a commercial-related activity, but, as the license states, if you are using our software in your business, you are required to have a commercial license.
If you use NoMachine for work or in a commercial-related activity, or you want more than one user to connect at the same time to the physical desktop, you should buy a NoMachine Enterprise Desktop product. Or the product that best matches your usage needs.
