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The resulting image can be copied to a SD card with `dd` and is directly bootable by a suitably configured U-Boot. Though depending on the board, some extra steps are required for copying U-Boot itself to the SD card. Inside the image is a partition table, with a FAT32 /boot and a normal writable EXT4 rootfs. It's possible to directly reuse the SD image's partition layout and "install" NixOS on the same SD card by replacing the default configuration.nix and nixos-rebuild, and actually is the preferred way to use these images. To assist in this installation method, the boot scripts on the image automatically resize the rootfs partition to fit the SD card on the first boot. The SD images come in two flavors; one for the ARMv6 Raspberry Pi, and one multiplatform image for all the boards supported by the mainline kernel's multi_v7_defconfig config target. At the moment, these have been tested on: - Raspberry Pi Model B (512MB model) - NVIDIA Jetson TK1 - Linksprite pcDuino3 Nano To build, run: nix-build '<nixpkgs/nixos>' -A config.system.build.sdImage \ -I nixos-config='<nixpkgs/nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix>' |
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.. | ||
config | ||
hardware | ||
installer | ||
misc | ||
profiles | ||
programs | ||
security | ||
services | ||
system | ||
tasks | ||
testing | ||
virtualisation | ||
module-list.nix | ||
rename.nix |