diff --git a/hardware/gpu/cuda.nix b/hardware/gpu/cuda.nix
index e024d9b..6594ee4 100644
--- a/hardware/gpu/cuda.nix
+++ b/hardware/gpu/cuda.nix
@@ -37,6 +37,8 @@ lib.mkMerge [
 (lib.optionalAttrs (lib.versionAtLeast (lib.versions.majorMinor lib.version) "24.11") {
   programs.nix-required-mounts.enable = true;
   programs.nix-required-mounts.presets.nvidia-gpu.enable = true;
+  # adding "cuda", "opengl" and "nvidia-gpu" overrides the implicit defaults
+  nix.settings.system-features = lib.mkIf (config.nixpkgs.system == "x86_64-linux") ["kvm" "nixos-test"];
 })
 {
 
diff --git a/hosts/known-hosts.toml b/hosts/known-hosts.toml
index abd1240..5e185fe 100644
--- a/hosts/known-hosts.toml
+++ b/hosts/known-hosts.toml
@@ -43,6 +43,7 @@ ssh.connectTimeout = 3
 
 
 ["bolle.pbsds.net"]
+aliases = [ "bolle.tail9aac63.ts.net" ]
 buildMachine.systems = ["x86_64-linux", "i686-linux", "riscv64-linux"]
 buildMachine.maxJobs = 3 # 12 threads 32GB
 buildMachine.speedFactor = 4 # ???
@@ -62,6 +63,7 @@ ssh.proxyJump = "hildring.pvv.ntnu.no"
 # wakeonlan 4c:cc:6a:05:51:01
 
 ["garp.pbsds.net"] # gtx 1080
+aliases = [ "garp.tail9aac63.ts.net" ]
 buildMachine.systems = ["x86_64-linux", "i686-linux", "riscv64-linux"]
 buildMachine.maxJobs = 2 # 8 threads 32GB
 buildMachine.speedFactor = 4 # i7-6700
diff --git a/todos.md b/todos.md
index fc1e525..d90cfcd 100644
--- a/todos.md
+++ b/todos.md
@@ -3,6 +3,7 @@
 * [ ] https://github.com/NixOS/nixos-hardware/tree/master/pine64/pinebook-pro
 * [ ] riscv
 # nice to have
+* [ ] windows binfmtemu with wineWowPackages.wayland
 * [ ] nixos-generate-config instructions for new hosts
 * [ ] `profiles/singularity.nix` https://github.com/NixOS/nixpkgs/issues/230851
 * [x] xforwarding over ssh
diff --git a/users/pbsds/home/default.nix b/users/pbsds/home/default.nix
index 6d1a030..794b1fb 100644
--- a/users/pbsds/home/default.nix
+++ b/users/pbsds/home/default.nix
@@ -105,6 +105,7 @@
     manix
     #comma # collides with nix-index-database
     nix-search-cli # nix-search
+    devenv
 
     #cargo
     #cargo-update