If you're seeing something like this: 1W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://packagecloud.io/github/git-lfs/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is …

1rsync -Pav -e "ssh -i $HOME/.ssh/somekey" username@hostname:/from/dir/ /to/dir/