diff --git a/flake.lock b/flake.lock
index c25358d..565cc40 100644
--- a/flake.lock
+++ b/flake.lock
@@ -39,11 +39,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1603662906,
-        "narHash": "sha256-d9Ww4Fa9WB00JLaqXN/cp41rVxF/MXGr3SbhMY5f11k=",
+        "lastModified": 1606046962,
+        "narHash": "sha256-244JrrVFht/VMRItDcDlrcwejqpqJInDUWA/x6mucW4=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "28eb093a1e6999d52e60811008b4bfc7e20cc591",
+        "rev": "a3a0f1289acac24ce2ffe0481bf8cabd3a6ccc64",
         "type": "github"
       },
       "original": {
@@ -55,11 +55,11 @@
     "i3lock-fancy-rapid": {
       "flake": false,
       "locked": {
-        "lastModified": 1570642358,
-        "narHash": "sha256-hs1MHGVN/xysUdkg9NxfQocvSOtyvpuGAKdzs42kG0o=",
+        "lastModified": 1604870111,
+        "narHash": "sha256-5D/8FXX6au9NPzaCS0u5Lv4zSBLGNb3EO/bIR2VDNtQ=",
         "owner": "yvbbrjdr",
         "repo": "i3lock-fancy-rapid",
-        "rev": "c67f09bc8a48798c7c820d7d4749240b10865ce0",
+        "rev": "c70ecfa8a529cb71f21f475f31d748ce9b154a8b",
         "type": "github"
       },
       "original": {
@@ -117,11 +117,11 @@
     },
     "nixpkgs-old": {
       "locked": {
-        "lastModified": 1605220118,
-        "narHash": "sha256-Und10ixH1WuW0XHYMxxuHRohKYb45R/T8CwZuLd2D2Q=",
+        "lastModified": 1606344557,
+        "narHash": "sha256-IVIMVKWNNt6VODiLfINaW6sfrWPw5ZT91GQMgLUl7ZA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "3090c65041104931adda7625d37fa874b2b5c124",
+        "rev": "ffb3aab257e8851b558cdc6079241a7eb0c7239e",
         "type": "github"
       },
       "original": {
@@ -133,11 +133,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1603910308,
-        "narHash": "sha256-cfD63yk3bkXKTfWT7SfkB7FvBBavzcDCDvvDBocIJ/4=",
+        "lastModified": 1606518375,
+        "narHash": "sha256-foO4ZgJa4YnKG3limxeCT6DeLr249XkUdGJx6fORaNc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ca45bb574ddd7c4e4a855bc41a7154f0b6edddd9",
+        "rev": "da8bd7747d143d81718ea4fdff971479ad027b94",
         "type": "github"
       },
       "original": {
@@ -147,11 +147,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1603758576,
-        "narHash": "sha256-xKFmWVx+rFInBao3gtmvXcd0LjHD1+0c1Ef5PJDrbuM=",
+        "lastModified": 1605988311,
+        "narHash": "sha256-PA+kgq46NApOAJlmBNJHs5DwsIrY+jodM0e4g7VtXyY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "1dc37370c489b610f8b91d7fdd40633163ffbafd",
+        "rev": "2247d824fe07f16325596acc7faa286502faffd1",
         "type": "github"
       },
       "original": {
@@ -173,6 +173,7 @@
         "nixpkgs-old": "nixpkgs-old",
         "spotify-tui": "spotify-tui",
         "zsh-autosuggestions": "zsh-autosuggestions",
+        "zsh-cod": "zsh-cod",
         "zsh-nix-shell": "zsh-nix-shell",
         "zsh-you-should-use": "zsh-you-should-use"
       }
@@ -180,11 +181,11 @@
     "spotify-tui": {
       "flake": false,
       "locked": {
-        "lastModified": 1603791861,
-        "narHash": "sha256-sDsUa5tx2/XM8hcusapnEgKVcOsaExG00b6dVuL2pSM=",
+        "lastModified": 1606232808,
+        "narHash": "sha256-Xf8wOyjceEXpCJuaQcTH586QLBwej4blndzq3u8IkbY=",
         "owner": "Rigellute",
         "repo": "spotify-tui",
-        "rev": "c8603131e8635030ae23a47d63ddb3cc741f2a34",
+        "rev": "5bbc0848bfaa4a63b744f5cd045874d87d87c7ac",
         "type": "github"
       },
       "original": {
@@ -209,6 +210,22 @@
         "type": "github"
       }
     },
+    "zsh-cod": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1604780773,
+        "narHash": "sha256-FNtM2D7ALBWE3rNFiXfixKpXgT51jXMjUD3OpHShpuU=",
+        "owner": "dim-an",
+        "repo": "cod",
+        "rev": "e08812e3568d91dac7b0f71870893b8c73a694b2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "dim-an",
+        "repo": "cod",
+        "type": "github"
+      }
+    },
     "zsh-nix-shell": {
       "flake": false,
       "locked": {
diff --git a/flake.nix b/flake.nix
index c7e8de7..c175068 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = github:nixos/nixpkgs/nixos-unstable;
+    # nixpkgs-old.url = github:nixos/nixpkgs/nixos-20.09;
     nixpkgs-old.url = github:nixos/nixpkgs/nixos-20.09;
     # nix.url = github:nixos/nix/6ff9aa8df7ce8266147f74c65e2cc529a1e72ce0;
     home-manager.url = github:nix-community/home-manager;
@@ -28,6 +29,10 @@
       url = github:MichaelAquilina/zsh-you-should-use;
       flake = false;
     };
+    zsh-cod = {
+      url = github:dim-an/cod;
+      flake = false;
+    };
     i3lock-fancy-rapid = {
       url = github:yvbbrjdr/i3lock-fancy-rapid;
       flake = false;
diff --git a/hardware-configuration/Dell-Laptop.nix b/hardware-configuration/Dell-Laptop.nix
index 140607a..589f936 100644
--- a/hardware-configuration/Dell-Laptop.nix
+++ b/hardware-configuration/Dell-Laptop.nix
@@ -39,20 +39,20 @@
     };
 
   fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/2FA1-8DA6";
+    { device = "/dev/disk/by-uuid/4F6D-537A";
       fsType = "vfat";
     };
 
   swapDevices = [
     {
-      device = "/dev/disk/by-partuuid/96ef04e6-4537-453c-a75d-f4184fe9a54e";
+      device = "/dev/disk/by-partuuid/3043db40-1d67-47f0-b6d6-d8f1a68b47c6";
       randomEncryption.enable = true;
     }
   ];
 
   powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
-  networking.hostId = "7c725ef4";
-  boot.zfs.devNodes = "/dev/disk/by-partuuid/69b0df60-36a2-4aa3-864b-d17cf95e6387";
+  networking.hostId = "d107d6c6";
+  boot.zfs.devNodes = "/dev/disk/by-partuuid/8454c73b-e50a-407c-86d7-e970d0fdb09e";
   boot.supportedFilesystems = [ "zfs" ];
   boot.kernelParams = [ "zfs.zfs_arc_max=4294967296" ];
 }
diff --git a/install/install.sh b/install/install.sh
index fddac82..e55c6cd 100755
--- a/install/install.sh
+++ b/install/install.sh
@@ -157,7 +157,7 @@ if [[ "$SWAP" != "NONE" ]]; then
 fi
 
 pprint "Create ZFS pool on $ZFS"
-zpool create -f -m none -o ashift=$ZFS_ASHIFT -O compression=lz4 -O normalization=formD -O atime=on -O relatime=on -O dedup=off -R /mnt rpool "$ZFS"
+zpool create -f -m none -o ashift=$ZFS_ASHIFT -O compression=lz4 -O normalization=formD -O atime=on -O relatime=on -O dedup=off -O com.sun:auto-snapshot=true -R /mnt rpool "$ZFS"
 
 pprint "Create ZFS datasets"
 
diff --git a/modules/applications/packages.nix b/modules/applications/packages.nix
index 5186ab1..c3dffa6 100644
--- a/modules/applications/packages.nix
+++ b/modules/applications/packages.nix
@@ -14,6 +14,7 @@ with deviceSpecific; {
     # cli
     advance-touch
     curl
+    ddgr
     exa
     fd
     git-crypt