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Top Forums UNIX for Dummies Questions & Answers Running commands on remote machines Post 302740683 by joeyg on Thursday 6th of December 2012 03:00:03 PM
Old 12-06-2012
You may want to reconsider

Since you did not specify what you are trying to monitor, I wanted to think of this differently...
There are 600 computers you want to analyze. So, if it take 60 seconds to connect, execute remote commands, transmit results file back, do something (on master computer), and then go to next remote computer.
That would mean ten hours, start to finish, if done sequentially. I suppose you could write something to do some in parallel?

Which brings me back to my initial premise...that this may not be possible based on the number of remote computers to analyze.

In human terms...
(a) you call 600 people to find out if they are coming for dinner
(b) receive emails of those who cannot attend

Probably easier to process the (b) list. Likewise, easier to process error files from remote computers.
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xon(1X) 																   xon(1X)

NAME
xon - start an X program on a remote machine SYNOPSIS
xon remote-host [-access] [-debug] [-name window-name] [-nols] [-screen screen-no] [-user user-name] [command...] OPTIONS
Note that the options follow the remote host name (as they do with rlogin). Runs xhost locally to add the remote host to the host access list in the X server. This will not work unless xhost is given permission to modify the access list. Normally, xon disconnects the remote process from stdin, stdout and stderr to eliminate the daemon processes which usually connect them across the network. Specifying the -debug option leaves them connected so that error messages from the remote execution are sent back to the originating host. This specifies a different application name and window title for the default command (xterm). Normally xon passes the -ls option to the remote xterm; this option suspends that behaviour. This changes the screen number of the DISPLAY variable passed to the remote command. By default, xon simply uses rsh/remsh/rcmd to connect to the remote machine using the same user name as on the local machine. This option cause xon to specify an alternative user name. This will not work unless you have authorization to access the remote account, by placing an appropriate entry in the remote users file. DESCRIPTION
The xon program runs the specified command (default xterm -ls) on the remote machine using rsh, remsh, or rcmd. xon passes the DISPLAY, XAUTHORITY and XUSERFILESEARCHPATH environment variables to the remote command. When no command is specified, xon runs 'xterm -ls'. It additionally specifies the application name to be 'xterm-remote-host' and the win- dow title to be 'remote-host'. xon can only work when the remote host will allow you to log in without a password, by having an entry in the file permitting access. BUGS
xon can get easily confused when the remote-host, user-name or various environment variable values contain white space. xon has no way to send the appropriate X authorization information to the remote host. xon(1X)
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