=============================
client$ mkdir ~/.ssh
client$ chmod 700 ~/.ssh
client$ ssh-keygen -q -f ~/.ssh/id_rsa -t rsa
Enter passphrase (empty for no passphrase): ...
Enter same passphrase again: ...
# first, upload public key from client to server
client$ scp ~/.ssh/id_rsa.pub server.example.org:
# next, setup the public key on server
mkdir ~/.ssh
chmod 700 ~/.ssh
cat ~/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 600 ~/.ssh/authorized_keys
rm ~/id_rsa.pub
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