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Special Forums UNIX and Linux Applications High Performance Computing Parallel Execution on Multiple System Post 302297853 by 123an on Monday 16th of March 2009 02:33:05 AM
Old 03-16-2009
Further Information about parallel execution

Quote:
Originally Posted by 123an
Hi Neo and otheus,

Thanks for ur valuable replies....

I am currently exploring all options suggested here....


Thanks...

123an

Hi,

Thanks for ur replies...

I am trying to simulate the environment whatever has been discussed here using ssh.
I am facing following problem while using ssh. The same is explained below..

case1: ssh -f <machine_ip> <executable1> <arguments>
Here, arguments are listed in file and those wil be read during execution. In this scenario, the parallel execution works fine.

case2: ssh -f <machine_ip> <cp file1 file2> <executable2>
Here, the executable in 'case 2' won't take command line arguments as in case of 'case 1', i.e. executable wil always read input arguments from file with name "args".
so what i tried here is i have created multiple text files with different arguments, during ssh i tried to copy these text files to file "args" and tried to execute "executable 2". But i am receving an error saying "Cannot fork into background without a command to execute.".

Can anybody suggest me the solution for this???

Thanks,
123an
 

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uuxqt(8)						      System Manager's Manual							  uuxqt(8)

NAME
uuxqt - UUCP execution daemon SYNOPSIS
uuxqt [ options ] DESCRIPTION
The uuxqt daemon executes commands requested by uux (1) from either the local system or from remote systems. It is started automatically by the uucico (8) daemon (unless uucico (8) is given the -q or --nouuxqt option). There is normally no need to run this command, since it will be invoked by uucico (8). However, it can be used to provide greater control over the processing of the work queue. Multiple invocations of uuxqt may be run at once, as controlled by the max-uuxqts configuration command. OPTIONS
The following options may be given to uuxqt. -c command, --command command Only execute requests for the specified command. For example: uuxqt --command rmail -s system, --system system Only execute requests originating from the specified system. -x type, --debug type Turn on particular debugging types. The following types are recognized: abnormal, chat, handshake, uucp-proto, proto, port, config, spooldir, execute, incoming, outgoing. Only abnormal, config, spooldir and execute are meaningful for uuxqt. Multiple types may be given, separated by commas, and the --debug option may appear multiple times. A number may also be given, which will turn on that many types from the foregoing list; for example, --debug 2 is equivalent to --debug abnormal,chat. The debugging output is sent to the debugging file, which may be printed using uulog -D. -I file, --config Set configuration file to use. This option may not be available, depending upon how uuxqt was compiled. -v, --version Report version information and exit. --help Print a help message and exit. SEE ALSO
uucp(1), uux(1), uucico(8) AUTHOR
Ian Lance Taylor (ian@airs.com) Taylor UUCP 1.07 uuxqt(8)
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