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I was reading the question Tell git which private key to use, and the answer doesn't apply for a case were the user doesn't have any home directory.

We're setting up a Jenkins server right now, and the user who run Jenkins doesn't have any home folder. But that particular user must access a GIT repository.

How can the user running GIT use a key authentication?

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  • // , What if the machine doesn't even have the key in question? Can one specify which forwarded identity to use? Sep 11, 2015 at 19:37

1 Answer 1

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The environment variable GIT_SSH tells git what ssh exectutable to use. So you could create a script something like:

#!/bin/bash
/usr/bin/ssh -i /path/to/identity.file "$@"

Then chmod it executable, and set GIT_SSH=/path/to/sshscript

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  • advancing to the next roadblock: my ssh client then tries to update known_hosts and that fails!
    – GLRoman
    Aug 29, 2018 at 21:41
  • 1
    @GLRoman The UserKnownHostsFile option let's you specify where the file should be
    – Paul
    Aug 29, 2018 at 22:09

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