November 2007
Beginner
642 pages
15h 43m
English
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8.12. Troubleshooting FreeNX
Problem
You cannot connect—help!
Solution
Check the server logfile first, /var/log/nxserver.log. If the logfile is not detailed enough, go into /etc/nxserver/node.conf, and bump up the logging level. Available levels are 0–7. Level 6 is usually sufficient:
NX_LOG_LEVEL=6
Nxclient has its own log viewer in the NX Session Administrator, at Session → View session log.
The logfiles don't always tell you what you need to know. Here are a number of common problems that are easy to remedy:
Make sure TCP port 3389 is not blocked on the clients.
Make sure TCP port 22 is not blocked on the server.
Make sure you are using the correct hostname or IP address of your FreeNX server.
Make sure that you have distributed the correct client keys—probably the most common error is creating a new key pair when installing the server, and forgetting to distribute the client key.
Check filepaths in /etc/nxserver/node.conf and in the NX Clients.
See Also
NoMachine's Support Center:
http://www.nomachine.com/support.php NX Server System Administrator's Guide:
http://www.nomachine.com/documentation/admin-guide.php
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