here's some CTF prep

configuration-nixos.nix

@@ -30,6 +30,8 @@ in {
 
   environment.systemPackages = with pkgs; [
     strace
+    rr
+    qemu-user
 
     # language servers
     nil
@@ -48,6 +50,7 @@ in {
 
   programs = {
     virt-manager.enable = true;
+    nix-ld.enable = true;
   };
 
   services.zfs.zed = {

configuration.nix

@@ -1,9 +1,18 @@
 { config, lib, pkgs, ... }:
-{
+let rhelmot = config.rhelmot;
+in {
+  options.rhelmot = {
+    globalPythonPackages = lib.mkOption {
+      type = with lib.types; listOf (functionTo (listOf package));
+      default = [];
+      description = "python packages (p: with p; [ x ]) to include in the global python environment";
+    };
+  };
   imports = [ ./overlays/packages.nix ./configuration-cross.nix ];
+  config = {
     nixpkgs.config.allowUnfree = true;
 
-  nix.settings.extra-experimental-features = "nix-command flakes";
+    nix.settings.extra-experimental-features = "nix-command flakes repl-flake";
     nix.settings.trusted-users = [ "audrey" ];
     nix.settings.max-jobs = 1;
     nix.settings.cores = 0;
@@ -37,15 +46,20 @@
       gdb
       p7zip
       unzip
+      foremost
+      binwalk
+      (python3.withPackages (p: lib.concatMap (pl: pl p) rhelmot.globalPythonPackages))
+    ];
 
-    (python3.withPackages (p: with p; [
+    rhelmot.globalPythonPackages = [ (p: with p; [
       virtualenvwrapper
       pylint
       pytest
       ipdb
       ipython
-    ]))
-  ];
+      nclib
+      pyyaml
+    ]) ];
 
     programs = {
       zsh = {
@@ -96,5 +110,6 @@
 
     # Enable the OpenSSH daemon.
     services.openssh.enable = true;
+  };
 }