keep kde connect info on impermanence, test out power settings

utilities/impermanence.md

@@ -0,0 +1,29 @@
+# Impermanence
+
+
+## Look at file changes from last root
+
+```sh
+sudo mkdir -p /btrfs-top
+sudo mount -o subvolid=5 /dev/mapper/cryptroot /btrfs-top
+LATEST_SNAPSHOT=$(sudo ls -t /btrfs-top/old_roots/ | head -n 1)
+SNAPSHOT_PATH="/btrfs-top/old_roots/$LATEST_SNAPSHOT"
+echo "Comparing against snapshot: $SNAPSHOT_PATH"
+
+# Option A: rsync
+sudo rsync -rcai --delete --dry-run \
+  --exclude='/@*' \
+  --exclude='/nix' \
+  --exclude='/proc' \
+  --exclude='/sys' \
+  --exclude='/dev' \
+  --exclude='/tmp' \
+  --exclude='/boot' \
+  --exclude='/persist' \
+  --exclude='/.snapshots' \
+  --exclude='/.swap' \
+  /var/lib/ $SNAPSHOT_PATH/var/lib/
+
+# Option B: diff (Can be very noisy, but effective)
+sudo diff -qr /var/lib $SNAPSHOT_PATH/var/lib
+```

utilities/nixos-installers/examples/testbed/flake.nix

@@ -58,6 +58,7 @@
 
               ./hardware-configuration.nix
               ./impermanence.nix
+              ./test.nix
               (
                 {
                   config,

utilities/nixos-installers/examples/testbed/impermanence.nix

@@ -14,7 +14,7 @@
 
       "/etc/NetworkManager/system-connections"
       "/var/lib/bluetooth"
-
+      "/var/lib/fail2ban"
     ];
     files = [
       "/etc/machine-id"
@@ -28,6 +28,9 @@
         ".local/share/atuin"
 
         ".local/share/zoxide"
+
+        # KDE connect specific
+        ".config/kdeconnect"
       ];
       files = [
 

utilities/nixos-installers/examples/testbed/test.nix

@@ -0,0 +1,5 @@
+{
+  powerMangement.enable = true;
+  # powerManagement.powertop.enable = true;
+  powerMangement.cpuFreqGovernor = "performance";
+}