New guide: Installing Rocky Linux 10 on a AOOSTAR WTR PRO

docs/guides/hardware/aoostar_wtr_pro_install.md

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+---
+title: Installing Rocky Linux 10 on a AOOSTAR WTR PRO
+author: Neel Chauhan
+contributors:
+tested_with: 10.0
+tags:
+  - hardware
+---
+
+## Introduction
+
+The AOOSTAR WTR PRO is a low-power x86 NAS with four drive bays. It is a faster and cheaper alternative to the HPE ProLiant MicroServer. For instance the author bought one as their personal NAS.
+
+While the WTR PRO is designed to run standard Linux distributions, the Rocky Linux installer will not boot out-of-the-box on it. However, Rocky Linux can still be installed.
+
+## Prerequisites and assumptions
+
+The following are the minimum requirements for using this procedure:
+
+* A Rocky Linux installer USB
+
+* An AOOSTAR WTR PRO system
+
+## Booting the Rocky Linux installer
+
+First, we will boot from the USB.
+
+If an existing operating system is installed on the SSD, press `Delete` when turning on the WTR PRO. Navigate to **Save & Exit** and choose the USB.
+
+When the USB is booted into the GRUB menu, select **Troubleshooting**:
+
+![GRUB Main Menu](../images/aoostar_1.png)
+
+Subsequently, select **Install Rocky Linux *VERSION* in basic graphics mode**:
+
+![GRUB Troubleshooting Menu](../images/aoostar_2.png)
+
+Now, Rocky Linux should boot and install as normal.
+
+Keep in mind that when Rocky Linux is installed, no special kernel options are required.