NixOS on ARM/Installation: Difference between revisions
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{{ARM | {{breadcrumb|NixOS on ARM}} | ||
{{outdated|This page needs a cleanup; it was migrated from an organically evolving article from about three wikis ago. The information may still be accurate though.}}<!-- | {{outdated|This page needs a cleanup; it was migrated from an organically evolving article from about three wikis ago. The information may still be accurate though.}}<!-- | ||
Plan for now: | Plan for now: | ||
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For <code>AArch64</code> it is possible to download images from Hydra. | For <code>AArch64</code> it is possible to download images from Hydra. | ||
* [https://hydra.nixos.org/job/nixos/release- | * [https://hydra.nixos.org/job/nixos/release-25.05/nixos.sd_image.aarch64-linux 25.05] | ||
* [https://hydra.nixos.org/job/nixos/trunk-combined/nixos.sd_image.aarch64-linux unstable (LTS kernel)] | * [https://hydra.nixos.org/job/nixos/trunk-combined/nixos.sd_image.aarch64-linux unstable (LTS kernel)] | ||
* [https://hydra.nixos.org/job/nixos/trunk-combined/nixos.sd_image_new_kernel_no_zfs.aarch64-linux unstable (Latest kernel)] | * [https://hydra.nixos.org/job/nixos/trunk-combined/nixos.sd_image_new_kernel_no_zfs.aarch64-linux unstable (Latest kernel)] | ||
On the page click on the latest successful build to get a download link under build products. | On the page click on the latest successful build to get a download link under build products. | ||
=== Installation steps === | === Installation steps === | ||
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The .img files can be directly written to a microSD/SD card (minimal recommended size: 4 GB) using dd, once uncompressed from the ZSTD container. The SD card needs to be unmounted first. | The .img files can be directly written to a microSD/SD card (minimal recommended size: 4 GB) using dd, once uncompressed from the ZSTD container. The SD card needs to be unmounted first. | ||
Once the NixOS image file is downloaded, run the following command to install the image onto the SD Card, replace <code>/dev/mmcblk0</code> with the path to the SD card (use <code>dmesg</code> to find it out). | Once the NixOS image file is downloaded, run the following command to install the image onto the SD Card, replace <code>/dev/mmcblk0</code> with the path to the SD card (use <code>dmesg</code> to find it out) and image.img with the path to the image. | ||
<code> | <code> | ||
sudo dd if= | sudo dd if=image.img of=/dev/mmcblk0 | ||
</code> | </code> | ||
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The base images are configured to boot up with a serial TTY ( RX/TX UART ) @ 115200 Baud. That way you not necessarily have to have a HDMI Display and keyboard. | The base images are configured to boot up with a serial TTY ( RX/TX UART ) @ 115200 Baud. That way you not necessarily have to have a HDMI Display and keyboard. | ||
Note: If the image has the extension <code>.zst</code>, it will need to be decompressed before writing to installation device. Use | |||
<code>nix-shell -p zstd --run "zstdcat image.img.zst | dd of=/dev/mmcblk0 status=progress"</code> | |||
to decompress the image on-the-fly. | |||
{{note| For some platforms, manually editing and adding kernel command-line arguments to <code>/boot/extlinux/extlinux.conf</code> may be needed for serial to work, and is "as" supported as would be editing the command-line manually during boot.}} | {{note| For some platforms, manually editing and adding kernel command-line arguments to <code>/boot/extlinux/extlinux.conf</code> may be needed for serial to work, and is "as" supported as would be editing the command-line manually during boot.}} | ||
Continue with [[NixOS_on_ARM/Initial_Configuration]]. | Continue with [[NixOS_on_ARM/Initial_Configuration]]. | ||