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I've been working on a series of scripts to perform tasks on my remote server, but have gotten stuck at how to log in via ssh mid script, as I cannot enter the password automatically. Is there a way to do so?

echo "logging in.. \n" ssh username@IP somehow hardcode in password nextCommand

  • You can set up public key authentication without a passphrase, or you can use an authentication agent. I would suggest the latter if it is reasonable. – a CVn Jul 19 '13 at 18:10
5

There is no way to send the password via parameter. You can use ssh keys. In your client machine:

ssh-keygen -t rsa

This will create a file with your public ssh key on your ~/.ssh/ named id_rsa.pub Then, you must add the content of the id_rsa.pub file on your server machine (you can copy it via scp or ftp), and run something like:

cat id_rsa.pub >> ~/.ssh/.authorized_keys

That worked for me.

4

As @MichaelKjörling said, set up public key authentication:

ssh-copy-id user@host

Now you can ssh to that user@host without a password.

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