diff --git a/build_hm.sh b/build_hm.sh
index b675d9d..08a672b 100755
--- a/build_hm.sh
+++ b/build_hm.sh
@@ -17,7 +17,7 @@ function help {
     echo "  -h: Display this help message."
 }
 
-while getopts "hvb" OPTION
+while getopts "h" OPTION
 do
     case "$OPTION" in
         h)
diff --git a/curacao/backup/backup.sh b/curacao/backup/backup.sh
new file mode 100755
index 0000000..38448c2
--- /dev/null
+++ b/curacao/backup/backup.sh
@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+
+set -euxo pipefail
+
+# Parse arguments
+function help {
+    echo "Usage: $0 [-h|-i] volume"
+    echo "Backup BTRFS subvolume on rapido to razmo."
+    echo
+    echo "Arguments:"
+    echo "  volume: Name of the subvolume to backup"
+    echo
+    echo "Options:"
+    echo "  -h: Display this help message."
+    echo "  -i: Don't fail if the receiving subvolume doesn't exist."
+}
+
+init=false
+while getopts "hi" OPTION
+do
+    case "$OPTION" in
+        h)
+            help
+            exit 0
+            ;;
+        i)
+            init=true
+            ;;
+        ?)
+            help
+            exit 2
+            ;;
+    esac
+done
+shift "$((OPTIND - 1))"
+
+if [ "$#" -ne 1 ]
+then
+    help
+    exit 2
+fi
+volume="$1"
+
+# Assertions
+[ -d "/mnt/rapido/${volume}" ]
+[ -d "/mnt/rapido/${volume}.bkp" ] || "$init"
+[ ! -d "/mnt/rapido/${volume}.new" ]
+[ -d "/mnt/razmo/${volume}.bkp" ] || "$init"
+[ -d "/mnt/razmo/${volume}" ] || "$init"
+[ ! -d "/mnt/razmo/${volume}.new" ]
+[ ! -d "/mnt/razmo/${volume}.snapshots" ]
+
+# Taking a snapshot of the running subvolume
+btrfs subvolume snapshot -r "/mnt/rapido/${volume}" "/mnt/rapido/${volume}.new"
+
+# Sending (the difference with) the last backup to the backup disk
+function error_handler() {
+    btrfs subvolume delete "/mnt/rapido/${volume}.new" || true
+    btrfs subvolume delete "/mnt/razmo/${volume}.new" || true
+}
+trap error_handler ERR
+if [ -d "/mnt/rapido/${volume}.bkp" ]
+then
+    btrfs send -p "/mnt/rapido/${volume}.bkp" "/mnt/rapido/${volume}.new" | btrfs receive /mnt/razmo
+else
+    btrfs send "/mnt/rapido/${volume}.new" | btrfs receive /mnt/razmo
+fi
+trap - ERR
+
+# Removing old backups and putting the new one in place
+[ ! -d "/mnt/rapido/${volume}.bkp" ] || btrfs subvolume delete "/mnt/rapido/${volume}.bkp"
+mv "/mnt/rapido/${volume}.new" "/mnt/rapido/${volume}.bkp"
+[ ! -d "/mnt/razmo/${volume}.bkp" ] || btrfs subvolume delete "/mnt/razmo/${volume}.bkp"
+mv "/mnt/razmo/${volume}.new" "/mnt/razmo/${volume}.bkp"
+
+# Create a writeable clone in case we need to boot on the HDD
+# Needs to move away then back the .snapshots folder
+[ ! -d "/mnt/razmo/${volume}/.snapshots" ] || mv "/mnt/razmo/${volume}/.snapshots" "/mnt/razmo/${volume}.snapshots"
+[ ! -d "/mnt/razmo/${volume}" ] || btrfs subvolume delete "/mnt/razmo/${volume}"
+btrfs subvolume snapshot "/mnt/razmo/${volume}.bkp" "/mnt/razmo/${volume}"
+[ ! -d "/mnt/razmo/${volume}.snapshots" ] || mv "/mnt/razmo/${volume}.snapshots" "/mnt/razmo/${volume}/.snapshots"
+
+sync
diff --git a/curacao/backup/default.nix b/curacao/backup/default.nix
new file mode 100644
index 0000000..5041c60
--- /dev/null
+++ b/curacao/backup/default.nix
@@ -0,0 +1,64 @@
+{ pkgs, lib, ... }:
+# MANU Snapper is not able to create the snapshot directory, so you'll need to do this after eventually running the backup script:
+# sudo btrfs subvol create /mnt/razmo/$subvolume/.snapshots
+let
+  backup_subvolumes = [ "nixos" "home.rapido" ];
+  backup_app = pkgs.writeShellApplication {
+    name = "backup-subvolume";
+    runtimeInputs = with pkgs; [ coreutils btrfs-progs ];
+    text = builtins.readFile ./backup.sh;
+  };
+  snapper_subvolumes = [ "nixos" "home.rapido" "home.razmo" ];
+in
+{
+  services =
+    let
+      default = {
+        # filesystem type
+        FSTYPE = "btrfs";
+
+        # run daily number cleanup
+        NUMBER_CLEANUP = true;
+        NUMBER_MIN_AGE = 1800;
+        NUMBER_LIMIT = 25;
+
+        # create hourly snapshots
+        TIMELINE_CREATE = true;
+
+        # cleanup hourly snapshots after some time
+        TIMELINE_CLEANUP = true;
+        TIMELINE_MIN_AGE = 1800;
+        TIMELINE_LIMIT_HOURLY = 24;
+        TIMELINE_LIMIT_DAILY = 31;
+        TIMELINE_LIMIT_WEEKLY = 8;
+        TIMELINE_LIMIT_MONTHLY = 0;
+        TIMELINE_LIMIT_YEARLY = 0;
+
+        # cleanup empty pre-post-pairs
+        EMPTY_PRE_POST_CLEANUP = true;
+      };
+    in
+    {
+      snapper.configs = lib.attrsets.mergeAttrsList (map (s: { "${s}" = default // { SUBVOLUME = "/mnt/razmo/${s}"; }; }) snapper_subvolumes);
+    };
+
+
+  systemd = {
+    services.bkp_rapido = {
+      description = "Make a snapshot of the SSD to the HDD";
+      before = [ "snapper-timeline.service" ];
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = map (s: "${backup_app}/bin/backup-subvolume ${s}") backup_subvolumes;
+      };
+      # TODO Harden
+    };
+    timers.bkp_rapido = {
+      description = "Regular snapshot of SSD to HDD";
+      timerConfig = {
+        OnCalendar = "hourly";
+      };
+      wantedBy = [ "timers.target" ];
+    };
+  };
+}
diff --git a/curacao/dk.nix b/curacao/dk.nix
new file mode 100644
index 0000000..d730d35
--- /dev/null
+++ b/curacao/dk.nix
@@ -0,0 +1,190 @@
+{ passwordFile ? "/should_not_be_needed_in_this_context", ... }:
+# TODO Find a way to use keys in filesystem
+# TODO Not relatime everywhere, thank you
+# TODO Default options
+let
+  btrfs_args_hdd = [
+    "rw"
+    "relatime"
+    "compress=zstd:3"
+    "space_cache"
+  ];
+  btrfs_args_ssd = btrfs_args_hdd ++ [ "ssd" ];
+in
+{
+  disko.devices = {
+    disk = {
+      razmo = {
+        type = "disk";
+        device = "/dev/disk/by-id/ata-ST1000LM048-2E7172_WKP8925H";
+        content = {
+          type = "gpt";
+          partitions = {
+            swap = {
+              priority = 10;
+              start = "2048";
+              size = "6G";
+              content = {
+                type = "swap";
+                randomEncryption = true;
+                # TODO NixOS documentation says not to use this with
+                # hibernation, as it can't set the partition where the
+                # hibernation image is saved. That's what I'm doing with Arch,
+                # but I'm setting resume=, should test if it actually works?
+                # Untranslated options from /etc/crypttab: swap,cipher=aes-xts-plain64,size=256
+                # Untranslated options from /etc/fstab: defaults,pri=100
+              };
+            };
+            nixosboot = {
+              priority = 15;
+              size = "2G";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            esp = {
+              priority = 20;
+              size = "128M";
+              type = "EF00"; # EFI system partition
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/efi";
+                mountOptions = [
+                  "rw"
+                  "relatime"
+                  "fmask=0022"
+                  "dmask=0022"
+                  "codepage=437"
+                  "iocharset=iso8859-1"
+                  "shortname=mixed"
+                  "utf8"
+                  "errors=remount-ro"
+                  "noauto"
+                ];
+              };
+            };
+            boot = {
+              priority = 30;
+              size = "128M";
+              content = {
+                type = "luks";
+                name = "boot";
+                extraFormatArgs = [ "--type luks1" ];
+                passwordFile = passwordFile;
+                settings = {
+                  # keyFile = "/etc/keys/boot";
+                };
+                content = {
+                  type = "filesystem";
+                  format = "ext2";
+                  mountpoint = "/mnt/old/boot";
+                  mountOptions = [
+                    "rw"
+                    "relatime"
+                    # "stripe=4" # For some reason doesn't work on NixOS
+                  ];
+                };
+              };
+            };
+            main = {
+              priority = 40;
+              content = {
+                type = "luks";
+                name = "razmo";
+                passwordFile = passwordFile;
+                settings = {
+                  # keyFile = "/etc/keys/razmo";
+                };
+                content = {
+                  type = "btrfs";
+                  # extraArgs = [ "-f" ];
+                  mountpoint = "/mnt/razmo";
+                  mountOptions = btrfs_args_hdd;
+                  subvolumes = {
+                    "home.razmo" = {
+                      mountpoint = "/home.heavy";
+                      mountOptions = btrfs_args_hdd;
+                    };
+                  };
+                };
+              };
+            };
+          };
+        };
+      };
+      rapido = {
+        type = "disk";
+        device = "/dev/disk/by-id/nvme-GIGABYTE_GP-GSM2NE3256GNTD_SN204508906665";
+        content = {
+          type = "gpt";
+          partitions = {
+            swap = {
+              priority = 10;
+              start = "2048";
+              size = "8G";
+              type = "8200"; # Linux swap
+              content = {
+                type = "luks";
+                name = "rapswap";
+                passwordFile = passwordFile;
+                settings = {
+                  # keyFile = "/etc/keys/rapswap";
+                  allowDiscards = true;
+                };
+                content = {
+                  type = "swap";
+                  resumeDevice = true;
+                  # Untranslated options from /etc/fstab: defaults,pri=100
+                };
+              };
+            };
+            main = {
+              priority = 20;
+              content = {
+                type = "luks";
+                name = "rapido";
+                initrdUnlock = true;
+                passwordFile = passwordFile;
+                settings = {
+                  # keyFile = "/etc/keys/rapido";
+                  allowDiscards = true;
+                };
+                content = {
+                  type = "btrfs";
+                  # extraArgs = [ "-f" ];
+                  mountpoint = "/mnt/rapido";
+                  mountOptions = btrfs_args_ssd;
+                  subvolumes = {
+                    archlinux = {
+                      mountpoint = "/mnt/old";
+                      mountOptions = btrfs_args_ssd;
+                    };
+                    # Should be temporary, to make sure we can revert to Arch anytime
+                    "home.nixos" = {
+                      mountpoint = "/home";
+                      mountOptions = btrfs_args_ssd;
+                    };
+                    "home.rapido" = {
+                      mountpoint = "/mnt/old/home";
+                      mountOptions = btrfs_args_ssd;
+                    };
+                    nix = {
+                      mountpoint = "/nix";
+                      mountOptions = btrfs_args_ssd;
+                    };
+                    nixos = {
+                      mountpoint = "/";
+                    };
+                  };
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}
diff --git a/curacao/hardware.nix b/curacao/hardware.nix
index 996cf10..f439fa7 100644
--- a/curacao/hardware.nix
+++ b/curacao/hardware.nix
@@ -10,6 +10,8 @@
     grub = {
       enable = true;
       efiSupport = true;
+      device = "nodev"; # Don't install on MBR
+      # TODO Maybe we could? In case the HDD doesn't boot anymore?
     };
   };
 }
diff --git a/curacao/options.nix b/curacao/options.nix
index 6bed395..45ab31a 100644
--- a/curacao/options.nix
+++ b/curacao/options.nix
@@ -3,15 +3,14 @@
   frogeye = {
     desktop = {
       xorg = true;
-      x11_screens = [ "HDMI-1-0" "eDP1" ];
+      x11_screens = [ "HDMI-1-0" "eDP-1" ];
       maxVideoHeight = 1440;
       numlock = true;
       phasesBrightness = {
         enable = true;
-        backlight = "intel_backlight";
-        jour = 40000;
-        crepuscule = 10000;
-        nuit = 1;
+        jour = "40000";
+        crepuscule = "10000";
+        nuit = "1";
       };
     };
     dev = {
diff --git a/curacao/os.nix b/curacao/os.nix
index 3bd283d..3f81444 100644
--- a/curacao/os.nix
+++ b/curacao/os.nix
@@ -5,7 +5,14 @@
     ./options.nix
     ./hardware.nix
     ./dk.nix
+    ./backup
   ];
 
   networking.hostName = "curacao";
+  boot = {
+    initrd.luks.reusePassphrases = true;
+    loader = {
+      efi.efiSysMountPoint = "/efi";
+    };
+  };
 }
diff --git a/ensure_nix.sh b/ensure_nix.sh
new file mode 100755
index 0000000..2e7d206
--- /dev/null
+++ b/ensure_nix.sh
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+# Runs the command given in a Nix environment, and create it if it doesn't exist.
+# Useful for environments where nix isn't installed / you do not have root access
+
+# If you need a fresh slate:
+# chmod +w .nix -R
+# rm -rf .nix .nix-defexpr .nix-profile .config/nix .local/state/nix .local/share/nix .cache/nix
+
+set -euo pipefail
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+if [ ! -d /nix ]
+then
+    # Doesn't support architectures other than x86_64
+    NIX_USER_CHROOT_URL=https://github.com/nix-community/nix-user-chroot/releases/download/1.2.2/nix-user-chroot-bin-1.2.2-x86_64-unknown-linux-musl
+    NIX_USER_CHROOT_SHA256SUM=e11aff604bb8d3ffd1d9c0c68cd636816d7eb8da540de18ee3a41ccad7ac0972
+
+    nix_user_chroot="$HOME/.local/bin/nix-user-chroot"
+    mkdir -p "$(dirname "$nix_user_chroot")"
+
+    nix_directory="$HOME/.nix"
+    mkdir -p "$nix_directory"
+
+    if [ ! -x "$nix_user_chroot" ] || ! echo "$NIX_USER_CHROOT_SHA256SUM $nix_user_chroot" | sha256sum --check --status
+    then
+        wget "$NIX_USER_CHROOT_URL" -O "$nix_user_chroot"
+        echo "$NIX_USER_CHROOT_SHA256SUM $nix_user_chroot" | sha256sum --check --status
+        chmod +x "$nix_user_chroot"
+    fi
+    exec "$nix_user_chroot" "$nix_directory" "$0" "$@"
+    exit 1
+fi
+
+nix_profile_path="$HOME/.nix-profile/etc/profile.d/nix.sh"
+
+if [ ! -f "$nix_profile_path" ]
+then
+    NIX_INSTALLER_URL=https://releases.nixos.org/nix/nix-2.19.2/install
+    NIX_INSTALLER_SHA256SUM=435f0d7e11f7c7dffeeab0ec9cc55723f6d3c03352379d785633cf4ddb5caf90
+
+    nix_installer="$(mktemp)"
+
+    wget "$NIX_INSTALLER_URL" -O "$nix_installer"
+    echo "$NIX_INSTALLER_SHA256SUM $nix_installer" | sha256sum --check --status
+    chmod +x "$nix_installer"
+
+    "$nix_installer" --no-daemon --yes --no-channel-add --no-modify-profile
+fi
+
+. "$nix_profile_path"
+
+"${SCRIPT_DIR}/add_channels.sh"
+
+exec "$@"
diff --git a/hm/common.nix b/hm/common.nix
index 4235502..b0bf872 100644
--- a/hm/common.nix
+++ b/hm/common.nix
@@ -54,13 +54,13 @@ in
         TIME_STYLE = "+%Y-%m-%d %H:%M:%S";
         # Less colors
         LESS = "-R";
-        LESS_TERMCAP_mb = "$'\E[1;31m'"; # begin blink
-        LESS_TERMCAP_md = "$'\E[1;36m'"; # begin bold
-        LESS_TERMCAP_me = "$'\E[0m'"; # reset bold/blink
-        LESS_TERMCAP_so = "$'\E[01;44;33m'"; # begin reverse video
-        LESS_TERMCAP_se = "$'\E[0m'"; # reset reverse video
-        LESS_TERMCAP_us = "$'\E[1;32m'"; # begin underline
-        LESS_TERMCAP_ue = "$'\E[0m'"; # reset underline
+        LESS_TERMCAP_mb = "$(echo $'\\E[1;31m')"; # begin blink
+        LESS_TERMCAP_md = "$(echo $'\\E[1;36m')"; # begin bold
+        LESS_TERMCAP_me = "$(echo $'\\E[0m')"; # reset bold/blink
+        LESS_TERMCAP_so = "$(echo $'\\E[01;44;33m')"; # begin reverse video
+        LESS_TERMCAP_se = "$(echo $'\\E[0m')"; # reset reverse video
+        LESS_TERMCAP_us = "$(echo $'\\E[1;32m')"; # begin underline
+        LESS_TERMCAP_ue = "$(echo $'\\E[0m')"; # reset underline
         # Fzf
         FZF_COMPLETION_OPTS = "${lib.strings.concatStringsSep " " config.programs.fzf.fileWidgetOptions}";
       };
@@ -138,7 +138,7 @@ in
       # TODO Maybe make nixpkg wrapper instead? So it also works from dmenu
       # Could also accept my fate... Home-manager doesn't necessarily make it easy to put things out of the home directory
       historySize = 100000;
-      historyFile = "${config.xdg.cacheHome}/shell_history";
+      historyFile = "${config.xdg.stateHome}/shell_history";
     in
     {
 
@@ -196,7 +196,10 @@ in
           duration = "$( test -n \"$__TIMER\" && echo $(( $EPOCHREALTIME - $\{__TIMER:-EPOCHREALTIME})) || echo 0 )";
           # UPST Implement this properly in home-manager, would allow for bash support
         };
-        extraUpdatePS1 = ''unset __TIMER'';
+        extraUpdatePS1 = ''
+            unset __TIMER
+            echo -en "\033]0; $USER@$HOST $PWD\007"
+        '';
       };
       gpg = {
         enable = true;
@@ -245,6 +248,7 @@ in
       less.enable = true;
       git = {
         enable = true;
+        package = pkgs.gitFull;
         aliases = {
           "git" = "!exec git"; # In case I write one too many git
         };
@@ -339,9 +343,9 @@ in
       enableZshIntegration = true;
       pinentryFlavor = "gtk2"; # Falls back to curses when needed
     };
-    # TODO Doesn't activate units by default. For now, we'll consider this as a safety feature.
+    # TODO Syncs a bit too often, also constantly asks for passphrase, which is annoying.
     git-sync = {
-      enable = true;
+      enable = false;
       repositories = {
         dotfiles = {
           path = "${config.xdg.configHome}/dotfiles";
@@ -408,6 +412,7 @@ in
       powerline-go
 
       # terminal essentials
+      file
       moreutils
       man
       unzip
@@ -462,7 +467,6 @@ in
       khard
       khal
       todoman
-      syncthing
 
       # TODO Lots of redundancy with other way things are defined here
 
@@ -472,8 +476,8 @@ in
     ];
     sessionVariables = {
       # Favourite commands
-      PAGER = "${pkgs.less}/bin/less";
-      EDITOR = "${pkgs.neovim}/bin/nvim";
+      PAGER = "less";
+      EDITOR = "nvim";
 
       # Extra config
       BOOT9_PATH = "${config.xdg.dataHome}/citra-emu/sysdata/boot9.bin";
@@ -489,7 +493,7 @@ in
       YARN_DISABLE_SELF_UPDATE_CHECK = "true"; # This also disable the creation of a ~/.yarnrc file
     } // lib.optionalAttrs config.frogeye.desktop.xorg {
       # Favourite commands
-      VISUAL = "${pkgs.neovim}/bin/nvim";
+      VISUAL = "nvim";
       BROWSER = "${config.programs.qutebrowser.package}/bin/qutebrowser";
 
       # Extra config
@@ -503,7 +507,7 @@ in
       (builtins.toString ./scripts)
     ];
     file = {
-      ".face" = {
+      ".face" = { # TODO Doesn't show on NixOS. See https://wiki.archlinux.org/title/LightDM#Changing_your_avatar ?
         source = pkgs.runCommand "face.png" { } "${pkgs.inkscape}/bin/inkscape ${./face.svg} -w 1024 -o $out";
       };
     };
diff --git a/hm/desktop.nix b/hm/desktop.nix
index 926e14c..50ce109 100644
--- a/hm/desktop.nix
+++ b/hm/desktop.nix
@@ -37,7 +37,7 @@ in
               # lockColors = with config.lib.stylix.colors.withHashtag; { a = base00; b = base01; d = base00; }; # Black or White, depending on current theme
               # lockColors = with config.lib.stylix.colors.withHashtag; { a = base0A; b = base0B; d = base00; }; # Green + Yellow
               lockColors = { a = "#82a401"; b = "#466c01"; d = "#648901"; }; # Old
-              lockSvg = pkgs.writeText "lock.svg" "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 50 50\" height=\"50\" width=\"50\"><path fill=\"${lockColors.a}\" d=\"M0 50h50V0H0z\"/><path d=\"M0 0l50 50H25L0 25zm50 0v25L25 0z\" fill=\"${lockColors.d}\"/></svg>";
+              lockSvg = pkgs.writeText "lock.svg" "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 50 50\" height=\"50\" width=\"50\"><path fill=\"${lockColors.a}\" d=\"M0 50h50V0H0z\"/><path d=\"M0 0l50 50H25L0 25zm50 0v25L25 0z\" fill=\"${lockColors.b}\"/></svg>";
               lockPng = pkgs.runCommand "lock.png" { } "${pkgs.imagemagick}/bin/convert ${lockSvg} $out";
               locker = pkgs.writeShellScript "i3-locker"
                 ''
@@ -48,6 +48,7 @@ in
 
                   ${pkgs.lightdm}/bin/dm-tool lock
                   # TODO Does that work for all DMs?
+                  # TODO Might want to use i3lock on NixOS configs still?
                   if [ $? -ne 0 ]; then
                       if [ -d ${config.xdg.cacheHome}/lockpatterns ]
                       then
@@ -79,9 +80,13 @@ in
               mode_pres_sec = "Presentation (secondary display)";
               mode_screen = "Screen setup [A] Auto [L] Load [S] Save [R] Remove [D] Default";
               mode_temp = "Temperature [R] Red [D] Dust storm [C] Campfire [O] Normal [A] All nighter [B] Blue";
+              fonts = config.stylix.fonts;
             in
             {
               modifier = "Mod4";
+              fonts = {
+                names = [ fonts.sansSerif.name ];
+              };
               terminal = "alacritty";
               colors = let ignore = "#ff00ff"; in
                 with config.lib.stylix.colors.withHashtag; lib.mkForce {
@@ -144,6 +149,9 @@ in
                   "XF86AudioPrev" = "exec ${pkgs.mpc-cli}/bin/mpc prev";
                   "XF86AudioPlay" = "exec ${pkgs.mpc-cli}/bin/mpc toggle";
                   "XF86AudioNext" = "exec ${pkgs.mpc-cli}/bin/mpc next";
+                  # Backlight
+                  "XF86MonBrightnessUp" = "exec ${pkgs.brightnessctl}/bin/brightnessctl set +5%";
+                  "XF86MonBrightnessDown" = "exec ${pkgs.brightnessctl}/bin/brightnessctl set 5%-";
                   # Misc
                   "${mod}+F10" = "exec ${ pkgs.writeShellScript "show-keyboard-layout"
             ''
@@ -512,7 +520,7 @@ in
       autorandr = {
         enable = true;
         hooks.postswitch = {
-            background = "${pkgs.feh}/bin/feh --no-fehbg --bg-fill ${config.stylix.image}";
+          background = "${pkgs.feh}/bin/feh --no-fehbg --bg-fill ${config.stylix.image}";
         };
       };
       mpv = {
@@ -520,12 +528,18 @@ in
         config = {
           audio-display = false;
           save-position-on-quit = true;
-          osc = false; # # Required by thumbnail script
+          osc = false; # Required by thumbnail script
+          # Hardware acceleration (from https://nixos.wiki/wiki/Accelerated_Video_Playback#MPV)
+          hwdec = "auto-safe";
+          vo = "gpu";
+          profile = "gpu-hq";
         };
         scripts = with pkgs.mpvScripts; [ thumbnail ];
         scriptOpts = {
           mpv_thumbnail_script = {
+            autogenerate = false; # TODO It creates too many processes at once, crashing the system
             cache_directory = "/tmp/mpv_thumbs_${config.home.username}";
+            mpv_hwdec = "auto-safe";
           };
         };
       };
@@ -534,7 +548,7 @@ in
     xdg = {
       mimeApps = {
         enable = true;
-        associations.added = {
+        defaultApplications = {
           "text/html" = "org.qutebrowser.qutebrowser.desktop";
           "x-scheme-handler/http" = "org.qutebrowser.qutebrowser.desktop";
           "x-scheme-handler/https" = "org.qutebrowser.qutebrowser.desktop";
@@ -583,6 +597,7 @@ in
       };
     };
     services = {
+      blueman-applet.enable = true;
       unclutter.enable = true;
       dunst =
         {
@@ -625,7 +640,6 @@ in
         network = {
           listenAddress = "0.0.0.0"; # So it can be controlled from home
           # TODO ... and whoever is the Wi-Fi network I'm using, which, not great
-          port = 8601; # FIXME Chose a different one for testing, should revert
           startWhenNeeded = true;
         };
         extraConfig = ''
@@ -637,6 +651,8 @@ in
 
     home = {
       packages = with pkgs; [
+        pavucontrol # Because can't use Win+F1X on Pinebook 🙃
+
         # remote
         tigervnc
 
@@ -673,7 +689,6 @@ in
         xclip
         keynav
         xorg.xinit
-        xorg.xbacklight
         # TODO Make this clean. Service?
 
 
diff --git a/hm/dev.nix b/hm/dev.nix
index f98bcf9..648d7a7 100644
--- a/hm/dev.nix
+++ b/hm/dev.nix
@@ -6,7 +6,6 @@
   home.packages = with pkgs; [
     # Common
     perf-tools
-    git
     jq
     yq
     universal-ctags
diff --git a/hm/extra.nix b/hm/extra.nix
index b346f05..84002cf 100644
--- a/hm/extra.nix
+++ b/hm/extra.nix
@@ -19,6 +19,9 @@
       # android tools
       android-tools
 
+      # Communication
+      signal-desktop
+
       # downloading
       # transmission TODO Collision if both transmissions are active?
 
@@ -61,5 +64,8 @@
       # https://hydra.nixos.org/job/nixos/release-23.11/nixpkgs.blender.aarch64-linux
       blender
     ]);
+    services = {
+      syncthing.enable = true;
+    };
   };
 }
diff --git a/hm/scripts/bsh b/hm/scripts/bsh
index 9ad639b..dc1780a 100755
--- a/hm/scripts/bsh
+++ b/hm/scripts/bsh
@@ -1,6 +1,4 @@
-#!/usr/bin/env nix-shell
-#! nix-shell -i bash --pure
-#! nix-shell -p bash openssh coreutils gawk gnused
+#!/usr/bin/env bash
 
 # TODO More integrated with current config
 
@@ -44,13 +42,17 @@ then
     grep -o '^\s*[^#]*' $SCRIPT_DIR/.bsh/inputrc | sed 's/^\s\+//' > "${WORK}/i"
     grep -o '^\s*[^"]*' $SCRIPT_DIR/.bsh/vimrc | sed 's/^\s\+//' > "${WORK}/v"
 
-    # Crafting command
-    b64="$(cd "$CACHE_DIR"; tar czf - "$FOLDER_NAME" | base64 -w 0)"
-    echo "echo $b64|base64 -d|tar xzC /tmp" > "${CACHE_DIR}/cmd"
-    echo "bash --rcfile ${DEST}/b" >> "${CACHE_DIR}/cmd"
-    echo "rm -rf ${DEST}" >> "${CACHE_DIR}/cmd"
+    # Creating entrypoint
+    echo "bash --rcfile ${DEST}/b" > "${WORK}/e"
+    echo "rm -rf ${DEST}" >> "${WORK}/e"
     # TODO Do not remove unless last one connected
 
+    # Crafting command
+    b64="$(cd "$CACHE_DIR"; tar czf - --sort=name "$FOLDER_NAME" | base64 -w 0)"
+    echo "echo $b64|base64 -d|tar xzC /tmp" > "${CACHE_DIR}/cmd"
+    # Due to magic, if the last command executed is bash, it disappears from the list of processes
+    echo "sh ${DEST}/e" >> "${CACHE_DIR}/cmd"
+
     # Cleanup
     rm -rf "$WORK"
 
diff --git a/hm/scripts/ter b/hm/scripts/ter
index 01fbc3b..9fe1f59 100755
--- a/hm/scripts/ter
+++ b/hm/scripts/ter
@@ -2,6 +2,8 @@
 #! nix-shell -i python3 --pure
 #! nix-shell -p python3
 
+# vim: set filetype=python :
+
 import sys
 from math import inf
 
@@ -14,11 +16,11 @@ if N < 2:
     sys.exit(1)
 
 
-def trajet_str(a, b):
+def trajet_str(a: int, b: int) -> str:
     return f"{gares[a]} → {gares[b]}"
 
 
-def chemin_str(stack):
+def chemin_str(stack: list[int]) -> str:
     return ", ".join(
         [trajet_str(stack[i], stack[i + 1]) for i in range(len(stack) - 1)]
     )
@@ -26,7 +28,7 @@ def chemin_str(stack):
 
 # Demande des prix des trajets
 
-prices = dict()
+prices: dict[int, dict[int, float]] = dict()
 
 for i in range(N):
     for j in range(N - 1, i, -1):
@@ -50,7 +52,7 @@ maxiPrice = -inf
 maxiStack = None
 
 
-def register_path(stack):
+def register_path(stack: list[int]) -> None:
     price = sum([prices[stack[i]][stack[i + 1]] for i in range(len(stack) - 1)])
 
     global miniPrice, maxiPrice, miniStack, maxiStack
@@ -72,5 +74,7 @@ while stack[0] == 0:
     else:
         stack.append(stack[-1] + 1)
 
+assert miniStack
+assert maxiStack
 print(f"Prix minimum: {chemin_str(miniStack)} = {miniPrice:.2f} €")
 print(f"Prix maximum: {chemin_str(maxiStack)} = {maxiPrice:.2f} €")
diff --git a/hm/style.nix b/hm/style.nix
index a98707b..e73c6d1 100644
--- a/hm/style.nix
+++ b/hm/style.nix
@@ -3,7 +3,8 @@ let
   # Currently last commit in https://github.com/danth/stylix/pull/194
   stylix = builtins.fetchTarball "https://github.com/willemml/stylix/archive/2ed2b0086b41d582aca26e083c19c0e47c8991e3.tar.gz";
   polarityFile = "${config.xdg.stateHome}/theme_polarity";
-  polarity = if builtins.pathExists polarityFile then lib.strings.fileContents polarityFile else "light";
+  polarityFromFile = if builtins.pathExists polarityFile then lib.strings.fileContents polarityFile else "light";
+  polarity = if config.frogeye.polarity == "dynamic" then polarityFromFile else config.frogeye.polarity;
   phases = [
     { command = "jour"; polarity = "light"; }
     { command = "crepuscule"; polarity = "dark"; }
@@ -47,19 +48,21 @@ in
   dconf.enable = false; # Otherwise standalone home-manager complains it can't find /etc/dbus-1/session.conf on Arch.
   # Symlinking it to /usr/share/dbus-1/session.conf goes further but not much.
 
-  # TODO Use xbacklight instead (pindakaas doesn't seem to support it OOTB)
   home.packages = map
     (phase: (pkgs.writeShellApplication {
       name = "${phase.command}";
+      runtimeInputs = [ pkgs.brightnessctl ];
       text = (lib.optionalString cfg.enable ''
-        echo ${builtins.toString (builtins.getAttr phase.command cfg)} | sudo tee /sys/class/backlight/${cfg.backlight}/brightness
-        '') + ''
+        brightnessctl set ${builtins.getAttr phase.command cfg}
+      '') + ''
         echo ${phase.polarity} > ${polarityFile}
         if command -v home-manager
         then
             home-manager switch
         else
-            sudo nixos-rebuild switch
+            # In two steps to get the visual changes slightly earlier
+            sudo /nix/var/nix/profiles/system/specialisation/${phase.polarity}/bin/switch-to-configuration test
+            sudo /nix/var/nix/profiles/system/specialisation/${phase.polarity}/bin/switch-to-configuration boot
         fi
       '';
     })
diff --git a/install_os.sh b/install_os.sh
index 577e688..0091fa9 100755
--- a/install_os.sh
+++ b/install_os.sh
@@ -96,13 +96,6 @@ echo "{ ... }: { imports = [ ./hardware-configuration.nix ${nixos_config} ]; }"
 # Install NixOS! Or create a new generation.
 sudo nixos-install --no-root-password --root "$mountpoint"
 
-# Install dotfiles. Actually not needed by nixos-install since it doesn't rewrite global paths to the mountpoint.
-# Without it no nixos-rebuild from the system itself once installed though.
-# Should probably be replaced with something like git-sync
-# sudo mkdir -p $mountpoint/home/geoffrey/.config/
-# sudo cp -a ../dotfiles $mountpoint/home/geoffrey/.config/
-# sudo chown geoffrey:geoffrey $mountpoint/home/geoffrey -R
-
 set +x
 
 # Signal the installation is done!
@@ -113,3 +106,4 @@ echo "- Boot into the system"
 echo "- Transfer necessary private keys (or use ssh -A for testing)"
 echo "- Run git-sync-init"
 echo "- Check that the system can build itself"
+echo "- Change root and user password"
diff --git a/options.nix b/options.nix
index 4b2a554..0321786 100644
--- a/options.nix
+++ b/options.nix
@@ -3,11 +3,16 @@
   options.frogeye = {
     extra = lib.mkEnableOption "Big software";
     gaming = lib.mkEnableOption "Games";
+    polarity = lib.mkOption {
+      default = "dynamic";
+      description = "Whether to use light theme or dark theme.";
+      type = lib.types.enum [ "dynamic" "light" "dark" ];
+    };
     desktop = {
       xorg = lib.mkEnableOption "Enable X11 support";
       numlock = lib.mkEnableOption "Auto-enable numlock";
       x11_screens = lib.mkOption {
-        default = ["UNSET1"];
+        default = [ "UNSET1" ];
         description = "A list of xrandr screen names from left to right.";
         type = lib.types.listOf lib.types.str;
       };
@@ -19,10 +24,9 @@
       };
       phasesBrightness = {
         enable = lib.mkEnableOption "Set a specific brightness for the screen when running phases commands";
-        backlight = lib.mkOption { type = lib.types.str; description = "Name of the backlight device"; };
-        jour = lib.mkOption { type = lib.types.int; description = "brightness value for phase: jour"; };
-        crepuscule = lib.mkOption { type = lib.types.int; description = "brightness value for phase: crepuscule"; };
-        nuit = lib.mkOption { type = lib.types.int; description = "brightness value for phase: nuit"; };
+        jour = lib.mkOption { type = lib.types.str; default = "100%"; description = "brightnessctl value for phase: jour"; };
+        crepuscule = lib.mkOption { type = lib.types.str; default = "50%"; description = "brightnessctl value for phase: crepuscule"; };
+        nuit = lib.mkOption { type = lib.types.str; default = "1%"; description = "brightnessctl value for phase: nuit"; };
       };
     };
     dev = {
diff --git a/os/common.nix b/os/common.nix
index 5719d75..e4dd9a1 100644
--- a/os/common.nix
+++ b/os/common.nix
@@ -4,8 +4,7 @@
 
   time.timeZone = "Europe/Amsterdam";
 
-  # Might fill emptiness?
-  boot.consoleLogLevel = 6; # KERN_INFO
+  boot.tmp.cleanOnBoot = true;
 
   # TODO qwerty-fr for console
 
@@ -25,10 +24,8 @@
   environment.systemPackages = with pkgs; [
     wget
     kexec-tools
-    openvpn
-
-    # Needed for all the fetchFromGit in this repo on nixos-rebuild
-    git
+    neovim # So we have a working editor in rescue mode
+    git # Needed for all the fetchFromGit in this repo on nixos-rebuild
   ];
 
   nixpkgs.config.allowUnfree = true;
@@ -39,7 +36,7 @@
     ccache.enable = true;
     # TODO Not enough, see https://nixos.wiki/wiki/CCache.
     # Might want to see if it's worth using on NixOS
-    gnupg.agent.enable = true;
+    less.lessopen = null; # Don't use lessopen
 
     # Let users mount disks
     udevil.enable = true;
@@ -64,9 +61,6 @@
 
   # TODO Hibernation?
 
-  # TEST
-  system.copySystemConfiguration = true;
-
   # Use defaults from
   system.stateVersion = "23.11";
 
diff --git a/os/desktop.nix b/os/desktop.nix
index ab3b08c..f361cc0 100644
--- a/os/desktop.nix
+++ b/os/desktop.nix
@@ -3,16 +3,18 @@
   config = lib.mkIf config.frogeye.desktop.xorg {
     # Enable the X11 windowing system
 
-    services.xserver = {
-      enable = true;
-      windowManager.i3.enable = true;
-      displayManager.defaultSession = "none+i3";
+    services = {
+      blueman.enable = true;
+      xserver = {
+        enable = true;
+        windowManager.i3.enable = true;
+        displayManager.defaultSession = "none+i3";
 
-      # Keyboard layout
-      extraLayouts.qwerty-fr = {
-        description = "QWERTY-fr";
-        languages = [ "fr" ];
-        symbolsFile = "${pkgs.stdenv.mkDerivation {
+        # Keyboard layout
+        extraLayouts.qwerty-fr = {
+          description = "QWERTY-fr";
+          languages = [ "fr" ];
+          symbolsFile = "${pkgs.stdenv.mkDerivation {
           name = "qwerty-fr-keypad";
           src = builtins.fetchGit {
             url = "https://github.com/qwerty-fr/qwerty-fr.git";
@@ -27,13 +29,17 @@
             runHook postInstall
           '';
       }}/linux/us_qwerty-fr";
+        };
+        layout = "qwerty-fr";
       };
-      layout = "qwerty-fr";
     };
 
-    # Enable sound
+    # Enable sound & bluetooth
     sound.enable = true;
-    hardware.pulseaudio.enable = true;
+    hardware = {
+        bluetooth.enable = true;
+        pulseaudio.enable = true;
+    };
 
     # UPST
     # TODO Find a way to override packages either at NixOS level or HM level depending on what is used
diff --git a/os/geoffrey.nix b/os/geoffrey.nix
index cd27181..a860d42 100644
--- a/os/geoffrey.nix
+++ b/os/geoffrey.nix
@@ -1,9 +1,11 @@
-{ pkgs, config, ... }:
+{ pkgs, lib, config, ... }:
 {
   imports = [
     <home-manager/nixos>
   ];
 
+  users.users.root.initialHashedPassword = "$y$j9T$e64bjL7iyVlniEKwKbM9g0$cCn74za0r6L9QMO20Fdxz3/SX0yvhz3Xd6.2BhtbRL1"; # Not a real password
+
   users.users.geoffrey = {
     isNormalUser = true;
     extraGroups = [ "adbusers" "wheel" ];
@@ -32,6 +34,12 @@
     useGlobalPkgs = true;
   };
 
+  specialisation = {
+    dark.configuration.frogeye.polarity = "dark";
+    light.configuration.frogeye.polarity = "light";
+  };
+
+
   # Because everything is encrypted and I'm the only user, this is fine.
   services.xserver.displayManager.autoLogin.user = "geoffrey";
 }
diff --git a/os/wireless/import.py b/os/wireless/import.py
index 85ac1d5..d4535be 100755
--- a/os/wireless/import.py
+++ b/os/wireless/import.py
@@ -1,4 +1,6 @@
-#!/usr/bin/env python3
+#!/usr/bin/env nix-shell
+#! nix-shell -i python3
+#! nix-shell -p python3 python3Packages.pyaml
 
 """
 Exports Wi-Fi networks configuration stored in pass into a format readable by Nix.
@@ -19,7 +21,7 @@ import yaml
 
 # passpy doesn't handle encoding properly, so doing this with calls
 
-PASSWORD_STORE = os.path.expanduser("~/.password-store")
+PASSWORD_STORE = os.path.expanduser("~/.local/share/pass")
 SUBFOLDER = "wifi"
 SEPARATE_PASSWORDS = False
 # TODO Find a way to make then env file available at whatever time it is needed
diff --git a/pindakaas/options.nix b/pindakaas/options.nix
index 2f7df32..56b5eba 100644
--- a/pindakaas/options.nix
+++ b/pindakaas/options.nix
@@ -7,10 +7,9 @@
     maxVideoHeight = 720;
     phasesBrightness = {
       enable = true;
-      backlight = "edp-backlight";
-      jour = 3500;
-      crepuscule = 3000;
-      nuit = 700;
+      jour = "3500";
+      crepuscule = "3000";
+      nuit = "700";
     };
   };
 }
diff --git a/unprocessed/config/automatrop/roles/system/files/getty.service b/unprocessed/config/automatrop/roles/system/files/getty.service
deleted file mode 100644
index 1d6b77a..0000000
--- a/unprocessed/config/automatrop/roles/system/files/getty.service
+++ /dev/null
@@ -1,2 +0,0 @@
-[Service]
-ExecStartPre=/bin/sh -c 'setleds +num < /dev/%I'
diff --git a/unprocessed/config/automatrop/roles/system/files/xorg/intel_backlight.conf b/unprocessed/config/automatrop/roles/system/files/xorg/intel_backlight.conf
deleted file mode 100644
index 36f6eb5..0000000
--- a/unprocessed/config/automatrop/roles/system/files/xorg/intel_backlight.conf
+++ /dev/null
@@ -1,5 +0,0 @@
-Section "Device"
-    Identifier  "Intel Graphics"
-    Driver      "intel"
-    Option      "Backlight"  "intel_backlight"
-EndSection
diff --git a/unprocessed/config/automatrop/roles/system/tasks/main.yml b/unprocessed/config/automatrop/roles/system/tasks/main.yml
index 002d579..4a012d1 100644
--- a/unprocessed/config/automatrop/roles/system/tasks/main.yml
+++ b/unprocessed/config/automatrop/roles/system/tasks/main.yml
@@ -1,28 +1,5 @@
 # Xorg configuration
 
-- name: Check if there is Intel backlight
-  ansible.builtin.stat:
-    path: /sys/class/backlight/intel_backlight
-  register: intel_backlight
-  when: display_server == 'x11'
-
-- name: Install Intel video drivers (Arch based)
-  community.general.pacman:
-    name: xf86-video-intel
-    # state: "{{ intel_backlight.stat.exists }}"
-    state: present
-  become: true
-  when: display_server == 'x11' and intel_backlight.stat.exists and arch_based
-  # TODO With software role? Would permit other distributions
-
-- name: Configure Xorg Intel backlight
-  ansible.builtin.copy:
-    src: xorg/intel_backlight.conf
-    dest: "{{ item }}/20-intel_backlight.conf"
-  become: true
-  when: display_server == 'x11' and intel_backlight.stat.exists
-  loop: "{{ xorg_common_config_dirs }}"
-
 - name: Configure Xorg joystick behaviour
   ansible.builtin.copy:
     src: xorg/joystick.conf
@@ -48,23 +25,3 @@
   vars:
     using_panfrost: "{{ 'panfrost' in (modules.content | b64decode) }}"
   notify: panfrost config changed
-
-# Numlock on boot
-
-- name: Set numlock on boot
-  ansible.builtin.copy:
-    src: getty.service
-    dest: /etc/systemd/system/getty@.service.d/override.conf
-  become: true
-  notify:
-    - systemd changed
-  when: auto_numlock
-
-- name: Unset numlock on boot
-  ansible.builtin.file:
-    path: /etc/systemd/system/getty@.service.d/override.conf
-    state: absent
-  become: true
-  notify:
-    - systemd changed
-  when: not auto_numlock