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I want to be able to retrieve values from an embedded device every minute. Currently I have a script that does this over ssh but I have to type in the password for the embedded device every time I connect to it over SSH. The embedded device is read only and there is absolutely no way I can mount it as writeable at this time. The embedded device is configured badly so I can't even temporarily upload the id_rsa.pub of my machine to the embedded device to allow me to automatically connect using public key authentication. The other problem is I can also not use the "expect" keyword or sshpass daemon since I can't install software on the embedded device.

I forgot to say there is another read only embedded device between me and the embedded device with the data on.

Is there any hope for me? Thanks for your time.

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  • could also use expect scripting language or something like sshkit in ruby to automate the connecting and retrieval from the device, what lang in current script written in.
    – Doon
    Commented Oct 24, 2013 at 12:28

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expect is to be run not on the embedded but the system you're logging in from.

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  • I forgot to say there is another read only embedded device between me and the embedded device with the data on.
    – Mr Anderson
    Commented Oct 24, 2013 at 12:32
  • Well, you gotta learn how to input pass for the port forwarding through it, then. )
    – poige
    Commented Oct 24, 2013 at 12:36
  • So I can open a tunnel and just try keeping it open instead of having to connect over and over again?
    – Mr Anderson
    Commented Oct 24, 2013 at 12:42
  • Sure you can do it that natural way. )
    – poige
    Commented Oct 24, 2013 at 12:46

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