05-11-2010
controlling tool running on Linux VM fron Windows
I have a virtual machine with RedHat. It has a command-line tool X that takes an input file + some control parameters, performs some processing and generates some input files. I have a Windows XP/Server 2003 box where an app Y is running. What I need to do is to control X from Y. That is, given an input file, I have to feed this file from Y to X, have X process the file and then Y collect the results. Y would be running either on the host Windows machine using VM Player or on a separate box. Input files might be quite large. I need a solution that would be of production level quality. What would be the best approach to this? I presume I will need to develop some components both on the Windows side and the Linux side that would communicate with each other, send input and output files etc. What would these components be? The VM has a Redhat Enterprise install, so I have access to gcc, but not sure which other development tools. Thanks!
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LEARN ABOUT REDHAT
setxkbmap
SETXKBMAP(1) General Commands Manual SETXKBMAP(1)
NAME
setxkbmap - set the keyboard using the X Keyboard Extension
SYNOPSIS
setxkbmap [ args ] [ layout [ variant [ option ... ] ] ]
DESCRIPTION
The setxkbmap command maps the keyboard to use the layout determined by the options specified on the command line.
An XKB keymap is constructed from a number of components which are compiled only as needed. The source for all of the components can be
found in /usr/X11R6/lib/X11/xkb.
OPTIONS
-help Prints a message describing the valid input to setxkbmap.
-compat name
Specifies the name of the compatibility map component used to construct a keyboard layout.
-config file
Specifies the name of an XKB configuration file which describes the keyboard to be used.
-display display
Specifies the display to be updated with the new keyboard layout.
-geometry name
Specifies the name of the geometry component used to construct a keyboard layout.
-keymap name
Specifies the name of the keymap description used to construct a keyboard layout.
-layout name
Specifies the name of the layout used to determine the components which make up the keyboard description. Only one layout may be
specified on the command line.
-model name
Specifies the name of the keyboard model used to determine the components which make up the keyboard description. Only one model
may be specified on the command line.
-option name
Specifies the name of an option to determine the components which make up the keyboard description; multiple options may be speci-
fied, one per -option flag. Note that setxkbmap summarize options specified in the command line with options was set before (saved
in root window properties). If you want only specified options will be set use the -option flag with an empty argument first.
-print With this option the setxkbmap just prints component names in a format acceptable by an xkbcomp (an XKB keymap compiler) and exits.
The option can be used for tests instead of a verbose option and in case when one need to run both the setxkbmap and the xkbcomp in
chain (see below).
-rules file
Specifies the name of the rules file used to resolve the request layout and model to a set of component names.
-symbols name
Specifies the name of the symbols component used to construct a keyboard layout.
-synch Force synchronization for X requests.
-types name
Specifies the name of the types component used to construct a keyboard layout.
-variant name
Specifies which variant of the keyboard layout should be used to determine the components which make up the keyboard description.
Only one variant may be specified on the command line.
USING WITH xkbcomp
If you have an Xserver and a client shell running on differnt computers and XKB configuration files sets on those machines are different
you can get problems specifying a keyboard map by model, layout, options names. The thing is the setxkbcomp converts these names to names
of XKB configuration files according to files that are on the client side computer. Then it sends the file names to the server where the
xkbcomp has to compose a complete keyboard map using files which the server has. Thus if the sets of files differ significantly the names
that the setxkbmap generates can be unacceptable on the server side. You can solve this problem running the xkbcomp on the client side
too. With the -print option setxkbmap just prints the files names in an appropriate format to its stdout and this output can be piped
directly to the xkbcomp input. For example, a command
setxkbmap us -print | xkbcomp - $DISPLAY
makes both step on the same (client) machine and loads a keyboard map into the server.
FILES
/usr/X11R6/lib/X11/xkb
X Version 11 Release 6.6 SETXKBMAP(1)