remove mini, reinstall that as OpenBSD test machine puffy

This commit is contained in:
Christoph Cullmann 2025-06-08 15:41:25 +02:00
parent 5b105a9fa4
commit 758337b75f
No known key found for this signature in database
3 changed files with 0 additions and 168 deletions

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@ -1,18 +0,0 @@
{ config, pkgs, ... }:
{
imports =
[
# Include the results of the hardware scan.
./hardware-configuration.nix
# Shared config of all machines
/data/nixos/share/common.nix
];
# our hostname
networking.hostName = "mini";
# EurKey layout
services.xserver.xkb.layout = "eu";
}

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@ -1,31 +0,0 @@
{ config, lib, pkgs, modulesPath, ... }:
{
imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
# basic drivers
boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "sd_mod" ];
# AMD CPU
boot.kernelModules = [ "kvm-amd" ];
hardware.cpu.amd.updateMicrocode = true;
# AMD graphics
boot.initrd.kernelModules = [ "amdgpu" ];
services.ollama.acceleration = "rocm";
# /boot efi partition to boot in UEFI mode
fileSystems."/boot" = {
device = "/dev/disk/by-id/nvme-CT4000P3PSSD8_2325E6E63746-part1";
fsType = "vfat";
neededForBoot = true;
options = [ "fmask=0022" "dmask=0022" ];
};
# /nix volume with the system & all persistent data
fileSystems."/nix" = {
device = "/dev/disk/by-id/nvme-CT4000P3PSSD8_2325E6E63746-part2:/dev/disk/by-id/ata-CT2000MX500SSD1_2138E5D5061F-part2";
fsType = "bcachefs";
neededForBoot = true;
};
}

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#
# enable ssh for root
#
sudo bash
systemctl start sshd
passwd
#
# install script below
#
#
# kill old efi boot stuff
#
efibootmgr
efibootmgr -b 0 -B
efibootmgr -b 1 -B
efibootmgr -b 2 -B
efibootmgr -b 3 -B
efibootmgr -b 4 -B
efibootmgr
# host name to use
HOST=mini
# disks to use
DISK=/dev/disk/by-id/nvme-CT4000P3PSSD8_2325E6E63746
DISK2=/dev/disk/by-id/ata-CT2000MX500SSD1_2138E5D5061F
DISKS="$DISK $DISK2"
# ensure 4k sector size
nvme format --lbaf=1 --force $DISK
nvme id-ns -H $DISK
sleep 5
# create partition table on all disks and EFI partition
RAID=""
for D in $DISKS; do
# kill old data
sgdisk --zap-all $D
blkdiscard -v -f $D
wipefs -a $D
sleep 5
# Create partition table
parted $D -- mklabel gpt
# Create a /boot as $D-part1
parted $D -- mkpart ESP fat32 1MiB 1024MiB
parted $D -- set 1 boot on
# Create a /nix as $D-part2
parted $D -- mkpart NIX 1024MiB 100%
# boot partition after short sleep, needed on some machines
sleep 5
mkfs.vfat $D-part1
# add part2 to raid
RAID="$RAID $D-part2"
done
# take a look at the partitions
lsblk
# create encrypted bcachefs
bcachefs format --encrypt -f $RAID
nix-env -iA nixos.keyutils
keyctl link @u @s
bcachefs unlock $DISK-part2
# prepare install, tmpfs root
mount -t tmpfs none /mnt
# Create directories to mount file systems on
mkdir -p /mnt/{data,nix,boot,root,etc/nixos}
# mount the ESP
mount $DISK-part1 /mnt/boot
# mount the /nix
mount -t bcachefs $DISK-part2 /mnt/nix
# mount the /data via bind mount
mkdir /mnt/nix/data
mount --bind /mnt/nix/data /mnt/data
# bind mount persistent stuff to data
mkdir -p /mnt/data/{root,nixos/$HOST}
mount --bind /mnt/data/root /mnt/root
mount --bind /mnt/data/nixos/$HOST /mnt/etc/nixos
# create fake /data to have the right paths
mkdir -p /data
mount --bind /mnt/data /data
# take a look
mount
# configure
nixos-generate-config --root /mnt
# copy config data from another machine including secrets
doas scp -r /data/nixos root@192.168.13.100:/mnt/data
# install
nixos-install --option experimental-features 'nix-command flakes' --no-root-passwd --root /mnt
# unmount all stuff and sync
umount -Rl /data /mnt
sync
# shutdown once
shutdown now
# sync all /data after the install
doas rsync -va --delete --one-file-system /data/ root@192.168.13.100:/data/