I’ve used lemmy_migrate in the past and it’s good for one-way copy. I’ve also seen lasim, but I haven’t tried it. You may find other options on awesome-lemmy.
I've looked at it a few times, but I've never got around to setting it up. I think my first try would be with Nextcloud, then moving to a dedicated server if that proves too slow or unreliable. Has it been much maintenance for you, or mostly fire-and-forget?
That's it! If you don't specify a host path, i.e. the path before the colon, Docker will create an volume which saves any changes you make to that path in the container, but won't mount any existing path from the host to the container.
How is the battery drain for you? I'm under the impression that it destroys mine, even though I set it to only run when charging, so I often end up killing it.
But why would you need to disable mobile data when you enable WiFi? WiFi is automatically preferred, so having the mobile data toggle on or off doesn't matter while connected to WiFi.
CarPlay and Android Auto actually work well, and you can use the apps that you already have on your phone. The screens are generally more convenient and restrict view less than a phone holder stuck to the window. But without those, I agree that I'd rather have no screen than one with crappy media controls and the car's own navigation.
You would need to set up routes on these other devices to tell them that VPN devices can be reached through the Pi. It’s possible, but I’ve never done it myself, so I don’t have any useful pointers.
He claimed he DMed the admins. I can't see any public post about it.