docs: Update NixOS version

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Jonas Nick 2020-03-21 17:27:44 +00:00 committed by Erik Arvstedt
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@ -193,17 +193,19 @@ Tutorial: install and configure NixOS for nix-bitcoin on your own hardware
This is borrowed from the [NixOS manual](https://nixos.org/nixos/manual/index.html#ch-installation). Look there for more information.
1. Obtain latest NixOS. For example:
1. Obtain latest [NixOS](https://nixos.org/nixos/download.html). For example:
```
wget https://releases.nixos.org/nixos/19.03/nixos-19.03.172538.7bb74e65365/nixos-minimal-19.03.172538.7bb74e65365-x86_64-linux.iso
wget https://releases.nixos.org/nixos/19.09/nixos-19.09.2284.bf7c0f0461e/nixos-minimal-19.09.2284.bf7c0f0461e-x86_64-linux.iso
sha256sum nixos-minimal-19.09.2284.bf7c0f0461e-x86_64-linux.iso
# output: 9768eb945bef410fccfb82cb3d2e7ce7c02c3430aed0f2f1527273cb080fff3e
```
Alternatively you can build NixOS from source by following the instructions at https://nixos.org/nixos/manual/index.html#sec-building-cd.
2. Write NixOS iso to install media (USB/CD). For example:
```
dd if=nixos-minimal-19.03.172538.7bb74e65365-x86_64-linux.iso of=/dev/sdX
cp nixos-minimal-19.09.2284.bf7c0f0461e-x86_64-linux.iso /dev/sdX
```
Replace /dev/sdX with the correct device name. You can find this using `sudo fdisk -l`
@ -403,7 +405,6 @@ You can also build Nix from source by following the instructions at https://nixo
```
Option 2: Set grub device for Legacy Boot (MBR)
```
```
boot.loader.grub.device = "/dev/sda";
```