Thông báo lỗi

Permissions 0777 for '/Users/username/.ssh/id_rsa' are too open.
It is recommended that your private key files are NOT accessible by others.
This private key will be ignored

Giải pháp :

Cần bảo vệ file private, phân quyền 400

chmod 400 ~/.ssh/id_rsa

Xong !