diff --git a/flake.lock b/flake.lock
index 11e52b1..3309dea 100644
--- a/flake.lock
+++ b/flake.lock
@@ -23,18 +23,17 @@
       "inputs": {
         "flake-compat": "flake-compat",
         "flake-utils": "flake-utils",
-        "nix-eval-jobs": "nix-eval-jobs",
         "nixpkgs": [
           "nixpkgs"
         ],
         "stable": "stable"
       },
       "locked": {
-        "lastModified": 1669917327,
-        "narHash": "sha256-YYjaNOUJZaM5t35GbWtfX825TlI9LAksbfdhaCYWmfY=",
+        "lastModified": 1675400331,
+        "narHash": "sha256-ja0DhWBARzcimqMBhQ+DP7NQoJSlNasqvlj5GiHRYY0=",
         "owner": "zhaofengli",
         "repo": "colmena",
-        "rev": "64c46fa0169233d4faed70c52583cd3183c7f5aa",
+        "rev": "31d8240504e91c3ea5c758d92f02f94af3fae6c3",
         "type": "github"
       },
       "original": {
@@ -91,11 +90,11 @@
         "ws-butler": "ws-butler"
       },
       "locked": {
-        "lastModified": 1671758850,
-        "narHash": "sha256-B6us/CLIIPJRJgjn/hVp7N07j90kil4HmjUVj8TBhKE=",
+        "lastModified": 1675387812,
+        "narHash": "sha256-fGjWMg97w1mP0cDIR9Y8qCa77sEtiIdYzqiRB+P2YcM=",
         "owner": "nix-community",
         "repo": "nix-doom-emacs",
-        "rev": "85a48dbec84e9c26785b58fecdefa1cfc580aea7",
+        "rev": "8de922e4e23158790970a266234a853305b1928d",
         "type": "github"
       },
       "original": {
@@ -123,11 +122,11 @@
     "emacs-overlay": {
       "flake": false,
       "locked": {
-        "lastModified": 1671729646,
-        "narHash": "sha256-crrTM9K1q8zGZ2gibEPJAudAnr0bMqPiLr1I8P+I5ls=",
+        "lastModified": 1675362118,
+        "narHash": "sha256-11CqDTkQA9P5I4InVCXmj/IaHvz4nUJaLNFiDiHVvIg=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "9c95614e0b1a2f6a3f4cf9b99b17439887ea0373",
+        "rev": "a018577287e390e01654a8b44d57d183a51b72b2",
         "type": "github"
       },
       "original": {
@@ -139,11 +138,11 @@
     "emacs-overlay_2": {
       "flake": false,
       "locked": {
-        "lastModified": 1673838100,
-        "narHash": "sha256-iLNzJqL01hHuZcnxNoB7bqj65lfQtEAc7+krVW4R6ck=",
+        "lastModified": 1675674706,
+        "narHash": "sha256-OkbmD3qf+Lv5P7n7sr6TEOO57whO7DxViGS/7UpdT+c=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "b63cf575927c768ad4dbc4a70f64201e59cf3da6",
+        "rev": "cf267241b56b425d20faed46ab8e16dd0434a663",
         "type": "github"
       },
       "original": {
@@ -289,11 +288,11 @@
     "flake-compat_2": {
       "flake": false,
       "locked": {
-        "lastModified": 1668681692,
-        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
         "type": "github"
       },
       "original": {
@@ -438,11 +437,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1672244468,
-        "narHash": "sha256-xaZb8AZqoXRCSqPusCk4ouf+fUNP8UJdafmMTF1Ltlw=",
+        "lastModified": 1674440933,
+        "narHash": "sha256-CASRcD/rK3fn5vUCti3jzry7zi0GsqRsBohNq9wPgLs=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "89a8ba0b5b43b3350ff2e3ef37b66736b2ef8706",
+        "rev": "65c47ced082e3353113614f77b1bc18822dc731f",
         "type": "github"
       },
       "original": {
@@ -491,32 +490,6 @@
         "type": "github"
       }
     },
-    "nix-eval-jobs": {
-      "inputs": {
-        "flake-utils": [
-          "colmena",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "colmena",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1660713017,
-        "narHash": "sha256-w6KLNkT/2fI7UvPg3NoKj7gve4CgUHpyWOFq0BUwW7o=",
-        "owner": "zhaofengli",
-        "repo": "nix-eval-jobs",
-        "rev": "b4c078a4870c5b1a5b74420ca1dca41f4d75b7cc",
-        "type": "github"
-      },
-      "original": {
-        "owner": "zhaofengli",
-        "ref": "colmena",
-        "repo": "nix-eval-jobs",
-        "type": "github"
-      }
-    },
     "nix-straight": {
       "flake": false,
       "locked": {
@@ -535,11 +508,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1673803274,
-        "narHash": "sha256-zaJDlHFXewT4KUsidMpRcPE+REymGH1Y3Eoc3Pjv4Xs=",
+        "lastModified": 1674550793,
+        "narHash": "sha256-ljJlIFQZwtBbzWqWTmmw2O5BFmQf1A/DspwMOQtGXHk=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "7bd6b87b3712e68007823e8dd5c37ee9b114fee3",
+        "rev": "b7ac0a56029e4f9e6743b9993037a5aaafd57103",
         "type": "github"
       },
       "original": {
@@ -572,11 +545,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1667229616,
-        "narHash": "sha256-FZXQ7r1acO7s8v8kzUug1vamZ4T0kPqTmYM2ncuqM/s=",
+        "lastModified": 1674305531,
+        "narHash": "sha256-0p7gNg56XlmZJrk5VIv4ZGnO6mkJ50eCNKoLaOvTH0w=",
         "owner": "nix-community",
         "repo": "nixpkgs-fmt",
-        "rev": "cddd029dea02942fe2e1d15bc5fef71c8a3acbfd",
+        "rev": "d94168e9d7f8ffb24fe43726d3f9bd29c95b9ef3",
         "type": "github"
       },
       "original": {
@@ -603,11 +576,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1673740915,
-        "narHash": "sha256-MMH8zONfqahgHly3K8/A++X34800rajA/XgZ2DzNL/M=",
+        "lastModified": 1675556398,
+        "narHash": "sha256-5Gf5KlmFXfIGVQb2hmiiE7FQHoLd4UtEhIolLQvNB/A=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7c65528c3f8462b902e09d1ccca23bb9034665c2",
+        "rev": "e32c33811815ca4a535a16faf1c83eeb4493145b",
         "type": "github"
       },
       "original": {
@@ -619,11 +592,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1673631141,
-        "narHash": "sha256-AprpYQ5JvLS4wQG/ghm2UriZ9QZXvAwh1HlgA/6ZEVQ=",
+        "lastModified": 1675545634,
+        "narHash": "sha256-TbQeQcM5TA/wIho6xtzG+inUfiGzUXi8ewwttiQWYJE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "befc83905c965adfd33e5cae49acb0351f6e0404",
+        "rev": "0591d6b57bfeb55dfeec99a671843337bc2c3323",
         "type": "github"
       },
       "original": {
@@ -650,11 +623,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1673704454,
-        "narHash": "sha256-5Wdj1MgdOgn3+dMFIBtg+IAYZApjF8JzwLWDPieg0C4=",
+        "lastModified": 1675600654,
+        "narHash": "sha256-ipsDTkzRq1CAl2g5tYd7ugjVMSKF6KLh9F+5Kso0lT0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a83ed85c14fcf242653df6f4b0974b7e1c73c6c6",
+        "rev": "cff83d5032a21aad4f69bf284e95b5f564f4a54e",
         "type": "github"
       },
       "original": {
@@ -680,11 +653,11 @@
     },
     "nixpkgs_5": {
       "locked": {
-        "lastModified": 1673606088,
-        "narHash": "sha256-wdYD41UwNwPhTdMaG0AIe7fE1bAdyHe6bB4HLUqUvck=",
+        "lastModified": 1675523619,
+        "narHash": "sha256-jHvkAwkbAj1s0O5riHMghSDHh9iz8AwLTbXQuVQKQcg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "37b97ae3dd714de9a17923d004a2c5b5543dfa6d",
+        "rev": "5a211d5e8d18b20b5a2b22157266cc00f8c4f3b9",
         "type": "github"
       },
       "original": {
@@ -729,11 +702,11 @@
     "org": {
       "flake": false,
       "locked": {
-        "lastModified": 1670680538,
-        "narHash": "sha256-afmN2tOY6Par235bVsqhtFHOSVyw4NBgTxI5Eo6Yk5A=",
+        "lastModified": 1673519709,
+        "narHash": "sha256-XtGk32Lw2iGDgH5Q4Rjhig0Iq5hpIM0EKQoptJ+nT3k=",
         "owner": "emacs-straight",
         "repo": "org-mode",
-        "rev": "42153ea2fec66f90c1623be25d6774d96ecf8062",
+        "rev": "ecb62e2e317b1a4b5b8a6c0f111ed7ef18413040",
         "type": "github"
       },
       "original": {
@@ -848,8 +821,11 @@
     },
     "retiolum": {
       "locked": {
-        "lastModified": 1675123215,
+        "lastModified": 1675172931,
         "narHash": "sha256-ZDnwiqDJHF3Bxf+JpzRtqNY9jsGO7+z8P854o9JQCs4=",
+        "ref": "refs/heads/master",
+        "rev": "a0078df20c98fd5bc199385985e652dad5ac4fe9",
+        "revCount": 279,
         "type": "git",
         "url": "file:///home/palo/dev/nixos/retiolum"
       },
@@ -861,11 +837,11 @@
     "revealjs": {
       "flake": false,
       "locked": {
-        "lastModified": 1670408834,
-        "narHash": "sha256-2LG8/AwMC+caNK9DKDyVGw+EPT2W6ys177xQj7mdKng=",
+        "lastModified": 1674652670,
+        "narHash": "sha256-ViqeZlOjQTlY0KM7YcOOjdgkxRLPMZrRKXTqtyc1I00=",
         "owner": "hakimel",
         "repo": "reveal.js",
-        "rev": "4fe3946cb43de57f79aaa7b646aee7e78f4bcc75",
+        "rev": "b1a9842b2f4544a2fda546383db38cc7a81f6b74",
         "type": "github"
       },
       "original": {
@@ -932,11 +908,11 @@
     "secrets": {
       "flake": false,
       "locked": {
-        "lastModified": 1675174539,
-        "narHash": "sha256-RdHMRqzvtVFOQ009z8v3Ir7QyMUr+PyHaMznxHykuE8=",
+        "lastModified": 1675175172,
+        "narHash": "sha256-dzsn+X8S94JfMxN2Maq2UYwgzBTYr7SocJUcz1yYIr8=",
         "ref": "main",
-        "rev": "d3c4b49122aa5b5d3fcbe98823dfbbc26cd048e3",
-        "revCount": 42,
+        "rev": "e95db1263a5ff908bf2123fb0e45d0ff43d55d91",
+        "revCount": 43,
         "type": "git",
         "url": "ssh://gitea@git.ingolf-wagner.de/palo/nixos-secrets.git"
       },
@@ -968,11 +944,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1673752321,
-        "narHash": "sha256-EFfXY1ZHJq4FNaNQA9x0djtu/jiOhBbT0Xi+BT06cJw=",
+        "lastModified": 1675566616,
+        "narHash": "sha256-Wki1ffvQUIB044M9ltjOxpXJGsqnQiVQPvMpQ0RiEBE=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "e18eefd2b133a58309475298052c341c08470717",
+        "rev": "4d16c18787ba8ff80c1ff8db25c5ca56f68ceed3",
         "type": "github"
       },
       "original": {
@@ -1000,11 +976,11 @@
     "ts-fold": {
       "flake": false,
       "locked": {
-        "lastModified": 1671426601,
-        "narHash": "sha256-NrvSK+olbi4P+9q5KOomNHGgmrRtI9cW9ZqkdU4n0Sc=",
+        "lastModified": 1673328482,
+        "narHash": "sha256-6yQ35uJDAK531QNQZgloQaOQayRa8azOlOMbO8lXsHE=",
         "owner": "jcs-elpa",
         "repo": "ts-fold",
-        "rev": "a64f5252a66253852bef1c627cea9e39928e6392",
+        "rev": "75d6f9ed317b042b5bc7cb21503596d1c7a1b8c0",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index f2b9bd7..596593b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -167,6 +167,7 @@
               nixpkgs-fmt.defaultPackage.${system}
               colmena.packages.${system}.colmena
             ];
+            boot.tmpOnTmpfs = lib.mkDefault true; # make /tmp a tmpfs (performance!)
             imports = [
               ./nixos/machines/${name}/configuration.nix
               (sopsModule name)
diff --git a/nixos/machines/sterni/hardware-configuration.nix b/nixos/machines/sterni/hardware-configuration.nix
index c5fe15d..df0fedb 100644
--- a/nixos/machines/sterni/hardware-configuration.nix
+++ b/nixos/machines/sterni/hardware-configuration.nix
@@ -40,7 +40,6 @@
     fsType = "tmpfs";
   };
 
-  boot.tmpOnTmpfs = true;
 
   nix.settings.max-jobs = lib.mkDefault 4;