Transporting and putting ssh public keys on remote servers the easy way

I login to a lot of Linux boxes, and I use ssh public keys to login. When I create a new account/server, I have to:

  1. copy over my ssh public key to the remote host
  2. login to the remote host
  3. put the public key in the authorized_keys file, set the permissions etc.
  4. delete the copy of the public key

I figured there ought to be an easier way to do this, and here it is:

cat .ssh/ | ssh parijat@ "mkdir -p ~/.ssh ; cat - >> ~/.ssh/authorized_keys ; chmod -R go-rwx ~/.ssh"
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