#### Bash script for remote command execution

##### March 21, 2013
bash programming

I’ve come across this a couple of times. As a system admin’s day to day tasks, your boss must have at some time given you a long list (let’s say 50+) of servers and all you got to do is getting some system information. Yeah, I know the feeling. It was the boring task when I started as a system admin until scripting twinkled in my mind.

See the below code, does it look familiar ?

#!/bin/bash
# remoteCmd.sh : The script that runs remote commands

for i in cat $1 do ssh$i "uname -a" 2>/dev/null
done


Save the content in a file as ‘remoteCmd.sh’. Put your server names in a file like ‘serverList’. Give your script execution right.

chmod +x remoteCmd.sh


You can now run the script as follows :

./remoteCmd.sh serverList


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