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Top Forums Shell Programming and Scripting What is the parallel execution command available in Ubuntu Linux? Post 302513084 by drl on Tuesday 12th of April 2011 09:50:51 AM
Old 04-12-2011
Hi.
Code:
NAME
       pdsh - issue commands to groups of hosts in parallel


SYNOPSIS
       pdsh [options]... command


DESCRIPTION
       pdsh is a variant of the rsh(1) command. Unlike rsh(1), which runs
       commands on a single remote host, pdsh can run multiple remote commands
       in parallel. pdsh uses a "sliding window" (or fanout) of threads to
       conserve resources on the initiating host while allowing some
       connections to time out.

...

Good luck ... cheers, drl
This User Gave Thanks to drl For This Post:
 

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RSH(1)							    BSD General Commands Manual 						    RSH(1)

NAME
rsh -- remote shell SYNOPSIS
rsh [-Kdnx] [-l username] host [command] DESCRIPTION
Rsh executes command on host. Rsh copies its standard input to the remote command, the standard output of the remote command to its standard output, and the standard error of the remote command to its standard error. Interrupt, quit and terminate signals are propagated to the remote command; rsh normally termi- nates when the remote command does. The options are as follows: -d The -d option turns on socket debugging (using setsockopt(2)) on the TCP sockets used for communication with the remote host. -l By default, the remote username is the same as the local username. The -l option allows the remote name to be specified. -n The -n option redirects input from the special device /dev/null (see the BUGS section of this manual page). If no command is specified, you will be logged in on the remote host using rlogin(1). Shell metacharacters which are not quoted are interpreted on local machine, while quoted metacharacters are interpreted on the remote machine. For example, the command rsh otherhost cat remotefile >> localfile appends the remote file remotefile to the local file localfile, while rsh otherhost cat remotefile ">>" other_remotefile appends remotefile to other_remotefile. FILES
/etc/hosts SEE ALSO
rlogin(1), HISTORY
The rsh command appeared in 4.2BSD. BUGS
If you are using csh(1) and put a rsh in the background without redirecting its input away from the terminal, it will block even if no reads are posted by the remote command. If no input is desired you should redirect the input of rsh to /dev/null using the -n option. You cannot run an interactive command (like rogue(6) or vi(1)) using rsh; use rlogin(1) instead. Stop signals stop the local rsh process only; this is arguably wrong, but currently hard to fix for reasons too complicated to explain here. Linux NetKit (0.17) August 15, 1999 Linux NetKit (0.17)
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