How to automate password entry?

Question

I want to install a software library (SWIG) on a list of computers (Jenkins nodes). I\'m using the following script to automate this somewhat:

NODES=\"10.8.2         


        

Answer 1

With SSH the right way to do it is to use keys instead.

# ssh-keygen

and then copy the *~/.ssh/id_rsa.pub* file to the remote machine (root@$node) into the remote user's .ssh/authorized_keys file.