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randogoth 2026-02-01 21:24:00 +02:00
parent 26139b62dd
commit 6b479a0c55
3 changed files with 22 additions and 14 deletions
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28
docs/install-help.txt
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@ -1,16 +1,22 @@
NixOS installer (flake + Lix) Nanuqsaurus NixOS installer
============================= ===========================
1) Build is prewired with Lix; the installer ISO includes the repo at /etc/nixos. Run the non-interactive installer:
2) Run the non-interactive Btrfs installer (set envs as needed):
sudo DISK=/dev/vda HOSTNAME=installer /etc/nixos/scripts/install-btrfs.sh sudo /etc/nixos/scripts/install-btrfs.sh
Defaults: DISK=/dev/vda, HOSTNAME=installer
The script wipes the disk, creates Btrfs subvolumes (root, home, nix), copies the flake, generates hardware config, and installs with the chosen host name.
3) After install finishes, reboot into the new system. Optionally set DISK and HOSTNAME
Notes sudo DISK=/dev/vda HOSTNAME=nanuqsaurus /etc/nixos/scripts/install-btrfs.sh
- Filesystem is Btrfs with subvolumes: root, home, nix.
- The flake lives under /etc/nixos on the target; edit hosts/<hostname>.nix to customize.
The script wipes the whole disk, creates Btrfs subvolumes (root, home, nix), copies the flake, generates hardware config, and installs.
If you need a more custom setup please run the partitioning manually, mount the target to /mnt and then install the system:
nixos-install --root /mnt --flake "/mnt/etc/nixos#${HOSTNAME}" --no-root-passwd
After install finishes, reboot into the new system.

2
hosts/installer.nix
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@ -8,7 +8,7 @@
../modules/users/admin.nix ../modules/users/admin.nix
]; ];
networking.hostName = "nix-installer"; networking.hostName = "nanuqsaurus";
environment.etc."INSTALL.txt".source = ../docs/install-help.txt; environment.etc."INSTALL.txt".source = ../docs/install-help.txt;
environment.etc."motd".text = builtins.readFile ../docs/install-help.txt; environment.etc."motd".text = builtins.readFile ../docs/install-help.txt;

6
scripts/install-btrfs.sh Normal file → Executable file
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@ -2,14 +2,16 @@
set -euo pipefail set -euo pipefail
# Non-interactive Btrfs installer using the flake in this repo. # Non-interactive Btrfs installer using the flake in this repo.
# Defaults: DISK=/dev/vda HOSTNAME=installer # Defaults: DISK=/dev/vda HOSTNAME=nanuqsaurus
DISK=${DISK:-/dev/vda} DISK=${DISK:-/dev/vda}
HOSTNAME=${HOSTNAME:-installer} HOSTNAME=${HOSTNAME:-nanuqsaurus}
SCRIPT_DIR=$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd) SCRIPT_DIR=$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd)
REPO_ROOT=$(cd -- "${SCRIPT_DIR}/.." && pwd) REPO_ROOT=$(cd -- "${SCRIPT_DIR}/.." && pwd)
clear
echo "[1/7] Partitioning ${DISK}" echo "[1/7] Partitioning ${DISK}"
printf "label: gpt\n,550M,U\n,,L\n" | sfdisk "${DISK}" printf "label: gpt\n,550M,U\n,,L\n" | sfdisk "${DISK}"