Posted By

cruelfate on 02/15/12

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Bash
ssh

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Last Edited at 02/15/12 08:21am

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Run command on all hosts in known_hosts file

/ Published in: Bash

Perform command on all hosts found in **~/.ssh/known_hosts**

Works better when [**auth.sh**](http://snipplr.com/view/46699/authsh/ "auth.sh") has been run on each host first.

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#! /bin/bash
 
if [ $# -eq 0 ] ; then 
    echo usage: $0 command
    exit 1
fi
 
for h in $(cat ~/.ssh/known_hosts | cut -f 1 -d  ' ' | cut -f 1 -d , | sort )
do 
    ping -q -o $h > /dev/null && echo -n "$h: " && ssh $h $*
done