Update linux-install-manually.md

Author: swapna-johnny

defender-endpoint/linux-install-manually.md

@@ -55,6 +55,8 @@ A successful deployment requires the completion of all of the following tasks:
 
 Before you begin, see [Prerequisites for Defender for Endpoint on Linux](mde-linux-prerequisites.md) for a description of prerequisites and system requirements for the current software version.
 
+For installation at a custom path, refer to [Prerequisites and system requirements for custom path installation](linux-custom-path-installation.md#prerequisites-and-system-requirements).
+
 > [!WARNING]
 > Upgrading your operating system to a new major version after the product installation requires the product to be reinstalled. You need to [Uninstall](linux-resources.md#uninstall-defender-for-endpoint-on-linux) the existing Defender for Endpoint on Linux application, upgrade the operating system, and then reconfigure Defender for Endpoint on Linux following the steps in this article.
 
@@ -261,46 +263,7 @@ In order to preview new features and provide early feedback, it's recommended th
 ## Pre Install Setup for Custom Path Installation
 
 These steps are applicable only if Defender is to be installed in a custom location.
-
-The custom installation path is denoted here as <custom_path>
- 
-> [!NOTE]
-> Only absolute custom installation path is supported
-
-1. Create the required directories for setup
-    ```bash
-    sudo mkdir -p <custom_path>
-    sudo mkdir -p /etc/opt/microsoft/mdatp
-    ```
-
-2. Create the config json file `/etc/opt/microsoft/mdatp/mde_path.json`, specifying the custom installation path, in the mde config directory
-
-    File Content:
-    ```
-    {"path":"<custom_path>"}
-    ```
-
-    For example, if the custom installation path is to be set as `/custom/microsoft_mdatp`, `/etc/opt/microsoft/mdatp/mde_path.json` will be created with the following content:
-     ```
-     {"path":"/custom/microsoft_mdatp"}
-     ```
-3. Set required permissions
-   ```
-    chmod 755 <custom_path>
-    chmod 644 /etc/opt/microsoft/mdatp
-   ```
-
-4. Create a symlink to the installation location
-   ```
-    mkdir -p /opt/microsoft
-    mkdir -p <custom_path>/opt/microsoft/mdatp
-    ln -sf <custom_path>/opt/microsoft/mdatp /opt/microsoft/mdatp
-   ```
-   > [!NOTE]
-   > 
-   > If you choose to skip creation of symlink, you can rely on the installer package to create the symlink for you, provided you have -
-   > 1. 1GB space in /opt or
-   > 2. You have managed the disk space check issue at your end 
+For detailed instructions on installing Microsoft Defender for Endpoint to a custom path, see [Manual installation: Pre-installation setup](linux-custom-path-installation.md#manual-installation-pre-installation-setup).
 
 ## Application installation