mirror of
https://github.com/CHN-beta/nixos.git
synced 2024-10-23 22:08:44 +08:00
110 lines
3.0 KiB
Nix
110 lines
3.0 KiB
Nix
{
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config =
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{
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fileSystems =
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{
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"/" =
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{
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device = "tmpfs";
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fsType = "tmpfs";
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options = [ "size=16G" "relatime" "mode=755" ];
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};
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"/nix" =
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{
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device = "/dev/mapper/root";
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fsType = "btrfs";
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options = [ "subvol=nix" "compress-force=zstd:15" ];
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};
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"/boot" =
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{
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device = "/dev/disk/by-uuid/02e426ec-cfa2-4a18-b3a5-57ef04d66614";
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fsType = "btrfs";
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options = [ "compress-force=zstd:15" ];
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};
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"/boot/efi" =
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{
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device = "/dev/disk/by-uuid/3F57-0EBE";
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fsType = "vfat";
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};
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};
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# sudo btrfs fi mkswapfile --size 64g --uuid clear swap
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# sudo btrfs inspect-internal map-swapfile -r swap
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swapDevices = [ { device = "/nix/swap/swap"; } ];
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boot.initrd.luks =
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{
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# setup accroding to https://github.com/sgillespie/nixos-yubikey-luks
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# nix-shell https://github.com/sgillespie/nixos-yubikey-luks/archive/master.tar.gz
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# ykpersonalize -2 -ochal-resp -ochal-hmac
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# SALT_LENGTH=16
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# SALT="$(dd if=/dev/random bs=1 count=$SALT_LENGTH 2>/dev/null | rbtohex)"
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# read -s USER_PASSPHRASE
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# CHALLENGE="$(echo -n $SALT | openssl dgst -binary -sha512 | rbtohex)"
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# RESPONSE=$(ykchalresp -2 -x $CHALLENGE 2>/dev/null)
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# KEY_LENGTH=512
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# ITERATIONS=1000000
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# LUKS_KEY="$(echo -n $USER_PASSPHRASE | pbkdf2-sha512 $(($KEY_LENGTH / 8)) $ITERATIONS $RESPONSE | rbtohex)"
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# CIPHER=aes-xts-plain64
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# HASH=sha512
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# echo -n "$LUKS_KEY" | hextorb | cryptsetup luksFormat --cipher="$CIPHER" \
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# --key-size="$KEY_LENGTH" --hash="$HASH" --key-file=- /dev/sdb5
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# mkdir -p /boot/crypt-storage
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# echo -ne "$SALT\n$ITERATIONS" > /boot/crypt-storage/default
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# echo -n "$LUKS_KEY" | hextorb | cryptsetup open /dev/sdb5 encrypted --key-file=-
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yubikeySupport = true;
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devices.root =
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{
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device = "/dev/disk/by-uuid/55fdd19f-0f1d-4c37-bd4e-6df44fc31f26";
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allowDiscards = true;
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yubikey =
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{
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slot = 2;
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twoFactor = true;
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gracePeriod = 120;
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keyLength = 64;
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saltLength = 16;
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storage =
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{
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device = "/dev/disk/by-uuid/02e426ec-cfa2-4a18-b3a5-57ef04d66614";
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fsType = "btrfs";
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path = "/crypt-storage/default";
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};
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};
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};
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};
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environment.persistence."/nix/impermanence" =
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{
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hideMounts = true;
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directories =
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[
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# "/etc/NetworkManager/system-connections"
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"/etc"
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"/home"
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"/root"
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"/var"
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];
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# files =
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# [
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# "/etc/machine-id"
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# "/etc/ssh/ssh_host_ed25519_key.pub"
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# "/etc/ssh/ssh_host_ed25519_key"
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# "/etc/ssh/ssh_host_rsa_key.pub"
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# "/etc/ssh/ssh_host_rsa_key"
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# ];
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};
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systemd.services.nix-daemon =
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{ environment = { TMPDIR = "/var/cache/nix"; }; serviceConfig = { CacheDirectory = "nix"; }; };
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services.snapper.configs.impermanence =
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{
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SUBVOLUME = "/nix/impermanence";
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TIMELINE_CREATE = true;
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TIMELINE_CLEANUP = true;
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TIMELINE_MIN_AGE = 1800;
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TIMELINE_LIMIT_HOURLY = "10";
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TIMELINE_LIMIT_DAILY = "7";
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TIMELINE_LIMIT_WEEKLY = "1";
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TIMELINE_LIMIT_MONTHLY = "0";
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TIMELINE_LIMIT_YEARLY = "0";
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};
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};
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}
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