back to btrfs
This commit is contained in:
parent
e415ceb22d
commit
6d9d01fc6c
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@ -10,11 +10,17 @@
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boot.initrd.kernelModules = [ "i915" ];
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boot.kernelModules = [ "kvm-intel" ];
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# system
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boot.initrd.luks.devices."crypt-system".device = "/dev/disk/by-id/nvme-Seagate_FireCuda_530_ZP4000GM30013_7VS01VBM-part2";
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# vms
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#boot.initrd.luks.devices."crypt-vms".device = "/dev/disk/by-id/ata-CT2000MX500SSD1_2138E5D5061F";
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fileSystems."/" =
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{ device = "none";
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fsType = "tmpfs";
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{ device = "/dev/mapper/crypt-system";
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fsType = "btrfs";
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neededForBoot = true;
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options = [ "defaults" "size=8G" "mode=755" ];
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options = [ "subvol=root" "noatime" "nodiratime" ];
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};
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fileSystems."/boot" =
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@ -24,17 +30,17 @@
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};
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fileSystems."/nix" =
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{ device = "/dev/disk/by-id/nvme-Seagate_FireCuda_530_ZP4000GM30013_7VS01VBM-part2";
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fsType = "bcachefs";
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{ device = "/dev/mapper/crypt-system";
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fsType = "btrfs";
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neededForBoot = true;
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options = [ "noatime" "nodiratime" ];
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options = [ "subvol=nix" "noatime" "nodiratime" ];
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};
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fileSystems."/data" =
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{ device = "/dev/disk/by-id/nvme-Seagate_FireCuda_530_ZP4000GM30013_7VS01VBM-part3";
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fsType = "bcachefs";
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{ device = "/dev/mapper/crypt-system";
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fsType = "btrfs";
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neededForBoot = true;
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options = [ "noatime" "nodiratime" ];
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options = [ "subvol=data" "noatime" "nodiratime" ];
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};
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fileSystems."/home" =
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@ -54,28 +60,28 @@
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};
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fileSystems."/etc/nixos" =
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{ device = "/data/nixos/neko";
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{ device = "/data/nixos/mini";
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fsType = "none";
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neededForBoot = true;
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options = [ "bind" ];
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depends = [ "/data" ];
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};
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fileSystems."/home/cullmann/vms" =
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{ device = "/dev/disk/by-id/nvme-CT2000P5PSSD8_213330E4ED05";
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fsType = "bcachefs";
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neededForBoot = true;
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options = [ "noatime" "nodiratime" ];
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depends = [ "/home" ];
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};
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# fileSystems."/home/cullmann/vms" =
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# { device = "/dev/mapper/crypt-vms";
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# fsType = "btrfs";
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# neededForBoot = true;
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# options = [ "noatime" "nodiratime" ];
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# depends = [ "/home" ];
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# };
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fileSystems."/home/cullmann/projects" =
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{ device = "/dev/disk/by-id/nvme-Samsung_SSD_980_PRO_2TB_S69ENF0R846614L";
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fsType = "bcachefs";
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neededForBoot = true;
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options = [ "noatime" "nodiratime" ];
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depends = [ "/home" ];
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};
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# fileSystems."/home/cullmann/projects" =
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# { device = "/dev/disk/by-id/nvme-Samsung_SSD_980_PRO_2TB_S69ENF0R846614L";
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# fsType = "bcachefs";
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# neededForBoot = true;
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# options = [ "noatime" "nodiratime" ];
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# depends = [ "/home" ];
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# };
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nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
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hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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123
neko/install.txt
123
neko/install.txt
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@ -1,3 +1,33 @@
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# build unstable installer
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{
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description = "installation media";
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inputs.nixos.url = "nixpkgs/nixos-unstable";
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outputs = { self, nixos }: {
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nixosConfigurations = {
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exampleIso = nixos.lib.nixosSystem {
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system = "x86_64-linux";
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modules = [
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"${nixos}/nixos/modules/installer/cd-dvd/installation-cd-minimal-new-kernel-no-zfs.nix"
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];
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};
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};
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};
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}
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git init
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git add flake.nix
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nix --extra-experimental-features flakes --extra-experimental-features nix-command build .#nixosConfigurations.exampleIso.config.system.build.isoImage
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sudo dd if=result/iso/nixos-24.05.20240108.317484b-x86_64-linux.iso of=/dev/sda bs=4M conv=fsync
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#
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# enable ssh for root
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#
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sudo bash
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passwd
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#
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# kill old efi boot stuff
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#
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@ -14,10 +44,6 @@ efibootmgr
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# install script below
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#
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# fix unlocking https://nixos.wiki/wiki/Bcachefs
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nix-env -iA nixos.keyutils
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keyctl link @u @s
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# Defining some helper variables (these will be used in later code
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# blocks as well, so make sure to use the same terminal session or
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# redefine them later)
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@ -39,8 +65,7 @@ gdisk -l $DISK
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# create partitions
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parted $DISK -- mklabel gpt
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sgdisk -n 1:0:+1024M -c 1:"EFI System Partition" -t 1:EF00 $DISK
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sgdisk -n 2:0:+256G -c 2:"nix" -t 2:8e00 $DISK
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sgdisk -n 3:0:0 -c 3:"data" -t 3:8e00 $DISK
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sgdisk -n 2:0:0 -c 2:"Linux" -t 2:8e00 $DISK
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parted $DISK -- set 1 boot on
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sleep 5
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@ -51,12 +76,37 @@ cat /proc/partitions
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# boot partition
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mkfs.fat -F 32 -n EFIBOOT $DISK-part1
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# create encrypted bcachefs
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bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=nix --discard -f $DISK-part2
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bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=data --discard -f $DISK-part3
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# create the crypto containers
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cryptsetup luksFormat --sector-size 4096 --batch-mode --verify-passphrase $DISK-part2
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sleep 5
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# open them, set right options persistently
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cryptsetup luksOpen --allow-discards --perf-no_read_workqueue --perf-no_write_workqueue --persistent $DISK-part2 crypt-system
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sleep 5
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lsblk --fs
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# create btrfs with fast & strong checksumming and fast mounting
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mkfs.btrfs -f --csum xxhash --features block-group-tree /dev/mapper/crypt-system
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sleep 5
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btrfs filesystem show
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# create all the volumes
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mount /dev/mapper/crypt-system /mnt
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btrfs subvolume create /mnt/data
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btrfs subvolume create /mnt/nix
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btrfs subvolume create /mnt/root
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sleep 5
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btrfs subvolume list /mnt
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# umount again, we will only use explicit subvolumes
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umount /mnt
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# prepare install
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mount -t tmpfs none /mnt
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mount -o subvol=root,noatime,nodiratime /dev/mapper/crypt-system /mnt
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# Create directories to mount file systems on
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mkdir -p /mnt/{data,nix,home,boot,root,etc/nixos}
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@ -64,9 +114,9 @@ mkdir -p /mnt/{data,nix,home,boot,root,etc/nixos}
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# mount the ESP
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mount $DISK-part1 /mnt/boot
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# mount bcachefs stuff
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mount -o noatime,nodiratime $DISK-part2 /mnt/nix
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mount -o noatime,nodiratime $DISK-part3 /mnt/data
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# mount volumes
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mount -o subvol=data,noatime,nodiratime /dev/mapper/crypt-system /mnt/data
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mount -o subvol=nix,noatime,nodiratime /dev/mapper/crypt-system /mnt/nix
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# bind mount persistent stuff to data
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mkdir -p /mnt/{data/home,data/root,data/nixos/$HOST}
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@ -74,6 +124,10 @@ mount --bind /mnt/data/home /mnt/home
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mount --bind /mnt/data/root /mnt/root
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mount --bind /mnt/data/nixos/$HOST /mnt/etc/nixos
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# create fake /data to have the right paths
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mkdir -p /data
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mount --bind /mnt/data /data
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# take a look
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mount
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@ -87,17 +141,16 @@ cp /mnt/etc/nixos/configuration.nix /tmp
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# copy config data
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# patch some paths there
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sudo scp -r /data/nixos root@192.168.13.171:/mnt/data
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# install
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nixos-install --no-root-passwd --root /mnt
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nixos-install --option experimental-features 'nix-command flakes' --no-root-passwd --root /mnt
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# unmount all stuff
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umount -Rl /mnt
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umount -Rl /data /mnt
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cryptsetup luksClose crypt-system
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# sync all /data after the install
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@ -120,8 +173,22 @@ wipefs -a $DD
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sleep 5
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# create encrypted bcachefs
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bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=vms --discard -f $DD
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# create the crypto containers
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cryptsetup luksFormat --batch-mode --verify-passphrase $DD
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sleep 5
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# open them, set right options persistently
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cryptsetup luksOpen --allow-discards --perf-no_read_workqueue --perf-no_write_workqueue --persistent $DD crypt-vms
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sleep 5
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lsblk --fs
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# create btrfs with fast & strong checksumming and fast mounting
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mkfs.btrfs -f --csum xxhash --features block-group-tree /dev/mapper/crypt-vms
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sleep 5
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btrfs filesystem show
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# create projects disk
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@ -132,5 +199,19 @@ wipefs -a $DD
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sleep 5
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# create encrypted bcachefs
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bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=projects --discard -f $DD
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# create the crypto containers
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cryptsetup luksFormat --batch-mode --verify-passphrase $DD
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sleep 5
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# open them, set right options persistently
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cryptsetup luksOpen --allow-discards --perf-no_read_workqueue --perf-no_write_workqueue --persistent $DD crypt-projects
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sleep 5
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lsblk --fs
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# create btrfs with fast & strong checksumming and fast mounting
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mkfs.btrfs -f --csum xxhash --features block-group-tree /dev/mapper/crypt-projects
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sleep 5
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btrfs filesystem show
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