36 lines
1.5 KiB
Nix
36 lines
1.5 KiB
Nix
# To enable this on a host, you have to do the following:
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# For network to work in initrd,
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# either pass the `ip=` kernel parameter or enable networking.useDHCP.
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# You also have to add the required kernel modules for the network adapter to `boot.initrd.availableKernelModules`
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# (if it is not loaded by default).
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# Then, you can set `boot.initrd.network.enable=true`,
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# which enables networking in initrd.
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# SSH in the initrd is enabled by this module automatically once networking is enabled.
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# To be able to log in,
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# you have to generate an SSH host key for the system (see the comments in the module on how to)
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# and copy it to that host.
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# It is then recommended to add a new `<host>-initrd`-entry to `modules/ssh.nix`
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# to ensure the key is known and trusted by default on all other hosts.
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# The host also needs a valid entry in `machines/default.nix`
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# with `targetHost` set.
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# If necessary, also set `unlockOverV4`,
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# which forces the SSH connection to use IPv4
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# (useful if the network of the host does not do SLAAC).
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# If all that is done,
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# remote unlocking should be possible by running `nix run .#unlock/host`
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{ config, lib, ... }:
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{
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boot.initrd.network = {
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#enable = true;
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ssh = {
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enable = lib.mkDefault config.boot.initrd.network.enable;
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port = 2222;
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# ssh-keygen -t ed25519 -N "" -f ssh_host_ed25519_key_initrd -C HOSTNAME
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# scp ssh_host_ed25519_key_initrd root@machine:/etc/ssh/
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hostKeys = [
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"/etc/ssh/ssh_host_ed25519_key_initrd"
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];
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};
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};
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}
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