Backing up an iPhone to a non-iCloud destination: libimobiledevice + idevicebackup2 from a Linux box

iPhone with home screen visible beside a laptop keyboard on a wooden desk — photo by Fotios Photos on Pexels

iCloud backup “just works” until it doesn’t — until your iCloud quota fills, or you decide that storing the unencrypted contents of your iPhone at Apple is a posture you don’t love, or your Mac dies and you want a …