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You can use the ip r command for this, with grep to specify the default: ip r | grep default Start by establishing the IP address of the router. #Ubuntu 16.04 remote desktop nomachine Pc#To access a computer on another network (e.g., your work network), you need to enable port forwarding on the router where your Ubuntu PC is located. Just look for your Ubuntu device name, find the IP address, and make a note of it for later. Click on the NoMachine icon in the top-right in Ubuntu, go to "Show the Service Status" -> click "Server Preferences" tab on the right -> see the "Port" there for your NoMachine server.Once signed into the router's admin console, you'll be able to see which devices are connected. The default port to your NoMachine server is 4000, I believe. Those details are for another Q&A sometime. To do the port-forwarding, connect to your modem via its IP address in your browser, and through your settings, map some external port, such as 10000, to your internal computer's IP and port with NoMachine on it. To connect to NoMachine from outside your home, you must either VPN into your local network, or open up port forwarding through your firewall in your modem. #Ubuntu 16.04 remote desktop nomachine password#If you saw the above error you have successfully disabled password authentication logins! Now test your key-based authentication to ensure it still works. Error: Authentication method NX-password is not allowed on this server Now try to connect remotely using NoMachine with password-based authentication, and you should see the following error in the GUI program: Ooops! The session negotation failed. Then restart the NoMachine server ( ): sudo /usr/NX/bin/nxserver -restart Now, just below this commented-out line indicating the default setting: #AcceptedAuthenticationMethods allĪdd this line to change the setting to allow ONLY key-based authentication: AcceptedAuthenticationMethods NX-private-key # client authentication for connections by NX protocol. # See also the EnableNXClientAuthentication key for enabling SSL # This key has to be used in conjunction with ClientConnectionMethod. ![]() # AcceptedAuthenticationMethods NX-private-key,SSH-system # have to be set on the system for example in the ![]() # SSH authentication methods for the system login # SSH-system : All methods supported for the system login. # Supported method for connections by SSH protocol is: # NX-kerberos : Kerberos ticket-based authentication. # NX-private-key: Key-based authentication. # Supported methods for connections by NX protocol are: To specify a subset of methods use a comma-separated # default all the available methods are supported. # Specify how clients will have to authenticate to the server, by On the server, edit server.cfg ( sudo gedit /usr/NX/etc/server.cfg) and find this section: # Note: On Linux, server.cfg is located here: "/usr/NX/etc/server.cfg".
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