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Sometimes users will find that they are unable to reconnect to an existing session, and are shown only a blank screen.  We do not yet understand this issue, so our solution is to terminate the user's existing sessions, and kill all the user's running processes on the Nomachine server.  Easy  The easiest way to fix this is to send a note to pcds-it-l@slac.stanford.edu and we will remove all old sessions and process.  Or, users can do this for

It's also possible for users to deal with this themselves by ssh'ing to psnxserv and killing their own process.  Potentially useful commands follow:

Show all running user processes:
ps -f -u $USERNAME
 
Kill a specific process using its process ID (PID):
kill <PID>
 
Kill a specific process that doesn't want to die (and was not killed by> "kill <PID>"):
kill -9 <PID>
 
Kill *all* your jobs, including current ssh session, shell and the pkill command itself.
This is a quick way to get the easy kills--then ssh in again and> deal> with the hard-to-kill processes):
pkill -U $USERNAME

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 Windows: https://www.nomachine.com/download/download&id=16

MAC:  http://xquartz.macosforge.org/landing/

RHEL6:

yum install xorg-x11-fonts-"*"
ln -s /usr/share/X11/fonts/75dpi /etc/X11/fontpath.d/xorg-x11-fonts-75dpi

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