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Full Discussion: how to run multiple process at the same time
Top Forums Shell Programming and Scripting how to run multiple process at the same time Post 302208646 by lestat_ecuador on Tuesday 24th of June 2008 01:41:21 PM
Old 06-24-2008
Error how to run multiple process at the same time
Hello guys,

Look what im doing:

I need to run a process from a SERVER1 to SERVER2, SERVER3 and SERVER4.

The shell of the process is in each SERVER (2 to 4)

So from SERVER1 i do:

Code:
for i in SERVER2 SERVER3 SERVER4
do
rsh $i '
./process.sh
'
done

The problem is: each process.sh takes around 30 minutes so i have to wait 90 minutes to take the final result, my question is, how i can run the process.sh in the SERVER2, SERVER3 and SERVER4 at the same time? and i have to wait only 30 minutes?
 

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LEARN ABOUT CENTOS

rhnsd

RHNSD(8)							   Red Hat, Inc.							  RHNSD(8)

NAME

       rhnsd - A program for querying the Spacewalk server for updates and information.

SYNOPSIS

       rhn_check [options]

DESCRIPTION

       rhnsd  is a background daemon process that periodically polls the Spacewalk server to see if there are any queued actions available. If any
       are queued, rhnsd will execute those actions.

       rhnsd is typically started from the initialization (init) scripts in /etc/init.d/rhnsd.	when it's time to poll the  Spacewalk  server  for
       available updates and actions. The default interval is every 240 minutes.  The minimum polling interval is 60 minutes.

       To  check for updates, rhnsd runs an external program called rhn_check. This is a small application that actually makes the network connec-
       tion to Spacewalk.

       The rhnsd daemon does not listen on any network ports, nor does it ever talk to the network directly. Any network activity is done via  the
       rhn_check utility.

       rhnsd  can  be  configured  by editing the /etc/sysconfig/rhn/rhnsd.  configuration file. This is actually the configuration file the rhnsd
       initialization script /etc/init.d/rhnsd.  uses.

OPTIONS

       -i, --interval
	      Specify the interval that rhnsd should wait between checking the Spacewalk. Default is 240 minutes, the minimum is 60 minutes.  This
	      can also be specified in /etc/sysconfig/rhn/rhnsd

       -f, --foreground
	      force the rhnsd process to run in the foreground instead of automatically backgrounding itself, as it does by default.

FILES

       /etc/sysconfig/rhn/rhnsd
	      Configuration settings for the rhnsd daemon's initialization script.

SEE ALSO

       rhn_check(8), rhn_register(8), rhnsd(8), rhn-profile-sync(8), rhnplugin(8), up2date(5).

AUTHORS

       Preston Brown <pbrown@redhat.com>
       Cristian Gafton <gafton@redhat.com>
       Adrian Likins <alikins@redhat.com>
       James Bowes <jbowes@redhat.com>

BUGS

       Report bugs to <http://bugzilla.redhat.com>.

COPYRIGHT

       Copyright (C) 1999-2006 Red Hat, Inc.

       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

Linux								 2006 November 13							  RHNSD(8)
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