Using ssh with public key authentication, AgentForward, and keychain

    Date27 Dec 2002
    3957
    Posted ByAnthony Pell
    The idea is that you can engage in a "multi-machine ssh session" in which all authentication is tunneled back to the first machine from which you started your session. . . The idea is that you can engage in a "multi-machine ssh session" in which all authentication is tunneled back to the first machine from which you started your session.

    This means you can securely ssh around the net to hosts on which you have accounts without entering your passphrase when you connect, yet all connections and authentication occurs securely. The article by Daniel Robbins on Agent forwarding and keychain provides excellent overall background material. This page merely serves to summarize configuration steps consisely.

    The last section of this Web page includes several usage examples and a technique for running remote scripts from a local crontab script.

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