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expectis a good way to automate that for commands that read the password from a pty (like you mentionedsuorlogin.) You can runexpectlocally and have it start the ssh connection, so no need to install it on the remote machines.echo NEWPASSon ssh is quite insecure! It might make it into log files and even be visible fromps, so you'd be leaking your passwords. At the very least, use something like<<<NEWPASS(assumingbash, this is abashsyntax) passing that to the stdin of ssh itself rather than as part of the command string. Butexpectis possibly a better way to make this slightly more secure (still pretty scary though.)