readme: clarify VPN scenario (#211)

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DavHau 2023-09-14 19:06:07 +02:00 committed by GitHub
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@ -79,6 +79,9 @@ data has been migrated.
support. Most `x86_64` Linux systems do have kexec support. By providing
your own [image](./docs/howtos.md#using-your-own-kexec-image) you can also
perform kexec for other architectures eg aarch64
- The machine must be reachable over the public internet or local network. Nixos-anywhere does not support wifi networks. If
a VPN is needed, define a custom installer via the --kexec flag which
connects to your VPN.
- Must have at least 1.5 GB of RAM, excluding swap.
## How to use nixos-anywhere