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The node will we “dialing out” to CAS, so we’ll create the key pair on the node.

1. Login to your node.

2. Create a type “ed25519” public key pair:

ssh-keygen -t ed25519

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Type:

wget -qO - ipv4.icanhazip.com

results in your CAS' public IP address. You’ll need that in the next step.

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Now let’s authorize your public key:

1. Open the authorization list:

   Code Block
   mkdir $HOME/.ssh nano $HOME/.ssh/authorized_keys

2. Copy & Paste the public key file contents (press Ctrl-Shift-V to paste into nano).

3. Exit and save (Ctrl-X, then “Y”).

Typing this:

cat $HOME/.ssh/authorized_keys

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