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SSH Public Key Authentication

From MTU LUG Wiki

In a terminal on the local machine, type:

ssh-keygen -t dsa
cd ~/.ssh

You'll then need to copy it to the remote host, you can do this via scp (command below) or via some other secure method.

scp id_dsa.pub user@remote_host:.ssh/id_dsa.pub.new

ssh (or otherwise gain access) to the remote host and do the following:

cd ~/.ssh

Cat the public key from the client into the authorized_keys file

cat id_dsa.pub.new >> authorized_keys

That's it.