ssh

Hello, I have a DS-9664NI-I8, running firmware V4.22.005 build 191208. RemoteBackup is a crap bit of software, so I was hoping I could script my own backup and use SCP/SSH to copy files to a remote location. I have managed to SSH connect in, but I am presented with a BusyBox piece of crap...

When trying to enable SSH by web control, it shows a error: "Device is busy" (NET_DVR_BUSY 24). Opinions?

The manual is clear that the NVR should be cleanly shut down before switching off, but there's no way I can see to do this without an attached monitor - which I don't have. All of the remote access methods have no option for shutdown. I did find an option to switch on ssh access, which would be...