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til/unix/ssh-with-a-specific-key.md
2015-10-11 12:48:43 -05:00

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# SSH With A Specific Key
When you SSH into another machine using public key authentication, the
key pair from either `~/.ssh/id_dsa`, `~/.ssh/id_ecdsa`, or `~/.ssh/id_rsa`
is used by default. This is generally what you want. But what if the target
server is expecting to identify you with a different SSH key pair?
The `-i` option can be used with `ssh` to specify a different _identity
file_ when the default isn't what you want.