You might not be able to copy your SSH key. The problems is immutable attributes as below:
~ ssh-copy-id -p30022 [email protected] /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/Users/username/.ssh/id_rsa.pub" /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys [email protected]'s password: sh: .ssh/authorized_keys: Permission denied chmod 600 authorized_keys chmod: changing permissions of ‘authorized_keys’: Operation not permitted lsattr authorized_keys ----i----------- authorized_keys