HP xw4400 Workstation - Manual (Page 74)

HP Remote Graphics 4.2.0 User's Guide
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The Remote Graphics Software Sender on UNIX automatically starts when the X
server on the system starts. Starting the Sender process in any other way is not
supported. Typing the following command in a terminal emulator will show the
Sender's process information:
ps -ef | grep rgsender
If multiple X servers are running on the system, there will be one Sender running for
each X server.
If the Sender process is stopped or killed, the X server will attempt to restart the
Sender. When the X server is shutdown, the Sender will also stop running. If the X
server is recycled, the Sender process is stopped and a new Sender is started.
If for some reason the X server cannot start, and a Sender process is running, killing
the Sender will allow the X server to restart.