structure updates

tech_docs/macOS_usb.md

@@ -0,0 +1,60 @@
+# Creating a Bootable Debian USB Drive on macOS
+
+**Prerequisites:**
+
+- Debian ISO image (downloaded from https://www.debian.org/)
+- USB drive with sufficient capacity (at least 4GB)
+- macOS computer
+
+**Steps:**
+
+1. **Identify the USB drive's disk identifier:**
+
+  - Open Terminal and run `diskutil list`.
+  - Locate the entry for your USB drive and note its disk identifier (e.g., `disk4`).
+
+2. **Unmount the USB drive:**
+
+  - Run `diskutil unmountDisk /dev/diskX` (replace `X` with the correct disk identifier).
+
+3. **Write the ISO to the USB drive:**
+
+  - **With progress bar:**
+    ```bash
+    sudo dd if=/path/to/debian.iso of=/dev/rdiskX bs=1m status=progress
+    ```
+  - **Without progress bar:**
+    ```bash
+    sudo dd if=/path/to/debian.iso of=/dev/rdiskX bs=1m
+    
+  - Replace `/path/to/debian.iso` with the actual path to your ISO file.
+
+4. **Wait for the process to complete:**
+
+  - This might take a few minutes, depending on the ISO size and USB speed.
+
+5. **Verify the process (optional):**
+
+  - Run `diskutil list` again to check if the ISO was written correctly.
+
+6. **Eject the USB drive:**
+
+  - Run `diskutil eject /dev/diskX`.
+
+**Additional notes:**
+
+- **Password prompt:** You'll be prompted for your password when using `sudo`.
+- **Double-check disk identifier:** Ensure you're using the correct one to avoid overwriting data.
+- **Errors:** If you encounter errors, carefully review the commands and disk identifiers. Seek assistance if needed.
+- **Progress bar options:**
+  - `status=progress`: Basic progress bar within the `dd` command.
+  - `pv`: Pipe the output of `dd` through `pv` for a visual progress bar.
+  - `dialog`: Combine `pv` with `dialog` for a more interactive progress bar.
+
+**Booting from the USB drive:**
+
+1. Insert the USB drive into the target computer.
+2. Start or restart the computer.
+3. Hold down the Option (⌥) key while booting.
+4. Select the USB drive labeled "EFI Boot" from the Startup Manager.
+5. The Debian installation process will begin.