$ sudo chmod 600 /path/to/my/key.pem $ sudo chmod 755 ~/.ssh
ref: https://stackabuse.com/how-to-fix-warning-unprotected-private-key-file-on-mac-and-linux/?fbclid=IwAR1HWsxiogG4NJRGvyV0M6iIzPMk06pLsV3I923SnsVoTzystXnRasc77VY
#DevOps #macos #linux #ssh
