I bought a shiny new Synology NASwith plenty of space. I also have quit a few old pysical external hard drives with bootable macOS system copies: I always make a copy of my system which I store away when I upgrade my macOS version. So I have Leopard, Lion, Mavericks and El Capitan drives...
From just using portable HDs as backups, I'll from now on start using Google Drive as an extra security measure.
However, since it's increased backup security (and not portability/accessibility) I'm looking for, I'm not interested in uploading my files as they are. Not without encrypting them...
How?
This article says yes, using Disk Utility. Select your sparse image in the left sidebar, select File:Change password.
Here's the thing, When the sparse image is mounted, change password is grayed out. And when I unmount the sparse image, it no longer appears in the left sidebar to be...