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Full Discussion: Error Executing a script(SSH problem)
Top Forums UNIX for Dummies Questions & Answers Error Executing a script(SSH problem) Post 302437075 by pinga123 on Wednesday 14th of July 2010 01:21:36 AM
Old 07-14-2010
Error Executing a script(SSH problem)
Hi i m writing a script which will fetch data from different machines and display it on single terminal.

I have created a file named SERVERNAMES containing ip address of machines i need to monitor.
Then for every IP i m issuing ssh command to get date on that machine.
However When i m trying it on the script it is just giving me output of first server and it is ignoring rest servers mentioned in file.

ssh works find without password for all machines mentioned in SERVERNAMES.


Code:
# cat SERVERNAMES
10.180.45.231
10.180.45.235
10.180.45.238
10.180.45.211

Script
Code:
#!/bin/bash

while read line
do
#Calculate Load on remote machine.
Date=`ssh -T -q $line date`
echo "Date on $line is:$Date"
done < SERVERNAMES

Code:
output.
Date on 10.180.8.231 is:Wed Jul 14 10:48:46 IST 2010

please help as i m not getting the output for .
Code:
10.180.45.235
10.180.45.238
10.180.45.211

Is there anything wrong in ssh?
 

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LEARN ABOUT OPENSOLARIS

script

script(1)							   User Commands							 script(1)

NAME

       script - make record of a terminal session

SYNOPSIS

       script [-a] [filename]

DESCRIPTION

       The  script  utility  makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the
       record is saved in the file typescript. See WARNINGS.

       The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends
       when the forked shell exits or when Control-d is typed.

OPTIONS

       The following option is supported:

       -a    Appends the session record to filename, rather than overwriting it.

NOTES

       script places everything that appears on the screen in filename, including prompts.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

WARNINGS

       script  can  pose  a  security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a
       privileged user, that is, root. Be sure that typescript is not a link before running script.

SunOS 5.11							    30 Jan 2004 							 script(1)
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