Easy .sh script to connect to multiple computers

tobiasw · 10-20-2006, 02:13 AM

Hello,
i am looking for a script to connect to multiple pc over ssh and read out a content from a file, and collect all this information into a single file...
Has anybody done that before?

Thanks

Tobias

senyahnoj · 10-20-2006, 11:01 AM

Would scp work?

e.g.

Code:

#!/bin/sh

scp user@server1:/path/file server1file
scp user@server2:/path/file server2file
# etc.

cat server1file server2file > allfiles
# or grep or whatever else you want to do with them

To avoid password prompts you'd need your ssh public key on each server and ssh-agent running on your client.

tobiasw · 10-20-2006, 05:23 PM

very good idea... thank you!

How does ssh public key and the ssh agent works? Is it easy to install them, or they are already implemented?

ntubski · 10-20-2006, 07:33 PM

Here's a good place to start: http://www.linuxquestions.org/linux/...ation_with_ssh

senyahnoj · 10-23-2006, 04:33 AM

That is a good tutorial on ssh-agent.

In addition, I generally put the following in my ~/.bash_profile to automatically start ssh-agent:

Code:

eval `ssh-agent`