passwordless login via ssh in Mac

You can access your remote ssh server without password by put your ssh key in remote.

Step 1: generate a key if you don’t have already

$ ssh-keygen -t rsa

Use the default for all paths.

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Step 2: Copy the file to the remote server that you want to access. As Mac doesn’t have ssh-copy-id, you should it manually.

$ cat ~/.ssh/id_rsa.pub | ssh @ 'cat >> ~/.ssh/authorized_keys'

That’s it. Now you can access the remote without put password.

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