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Linux Desktop Hacks
book

Linux Desktop Hacks

by Nicholas Petreley, Jono Bacon
March 2005
Beginner to intermediate content levelBeginner to intermediate
342 pages
15h 55m
English
O'Reilly Media, Inc.
Content preview from Linux Desktop Hacks
108
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Chapter 4, Related to X
#32 Access Your Programs Remotely
HACK
Access the Entire Desktop
There is no doubt that running X applications remotely is useful, but a truly
killer feature is the ability to run the entire desktop from a remote computer
on your local machine. To do this, you need to use a feature called the X
Display Manager Control Protocol (XDMCP), which is part of X. This pro-
tocol allows remote computers to access the GDM/KDM/XDM login pro-
gram, which then gives access to the remote desktop. If you have a
reasonably fast network connection—Ethernet speeds of 10-Mbit or greater
are recommended—it is possible for a slow computer to be as responsive as
a cutting-edge machine. This is possible because the local box is just a dis-
play device, like a television, and all the real work is done on the faster
remote machine.
To use XDMCP, you must be running XDM, GDM, or KDM as your login
manager on the remote machine. Each display manager has support for
XDMCP, and you must turn on that support.
To enable XDMCP in GDM, you need to load the gdmconfig tool. Inside this
tool is an XDMCP tab. Turn on XDMCP support by setting the Enable
XDMCP option. You can use some additional settings on this tab to fine-
tune XDMCP support. After you’ve made your changes, you must restart
GDM.
There is no GUI way to turn on XDMCP in KDM, so you need to edit the
kdmrc file on your system. Both a system-wide
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Publisher Resources

ISBN: 0596009119Supplemental ContentCatalog PageErrata