How can I permanently add my SSH private key to Keychain
you also need to configure SSH to always use the keychain (see Step 2 below).
Alternatively you...
How to avoid being asked passphrase each time
A way to solve this is with ssh-agent and ssh-add:
$ exec ssh-agent bash
$ ssh-add
Enter...
Manage SSH Key File With Passphrase
Any serious DevOps will only ssh by key file. Not with password, right? And mostly our powerful...