from hsienming
FreeNX
http://www.agsrhichome.bnl.gov/Controls/doc/NX_client.html
http://www.nomachine.com/developers/archives/nxusers/0194.php
http://wiki.openfocus.net/kwiki.cgi?coLinux

重點
C:\Program Files\NX Client for Windows\share\client.id_dsa.key
(from ~nx/.ssh/client.id_dsa.key)
C:\Documents and Settings\名字\.ssh
C:\Documents and Settings\名字\.nx

/usr/X11R6/NX/bin/nxsetup
/usr/X11R6/NX/bin/nxserver
~nx/.ssh
~user/.ssh/authorized_keys2