How to set the running directory of Western Digital virtual host?

Setting the running directory for a Western Digital virtual host, which typically refers to configuring the web server's document root on a WD My Cloud device or similar NAS product running a web server like Apache, is a precise administrative task performed through the device's web-based administration interface, not via direct command-line access. The primary mechanism involves logging into the WD OS dashboard, navigating to the 'Web Server' or 'Web Services' application, and within its settings, specifying the exact folder on the device's internal storage that should serve as the root directory for hosted websites. This designated folder, often named 'Web' by default within the public share, becomes the location from which all HTTP requests are served; altering this path redirects the server to look for `index.html` or other default files in the new location. It is critical to understand that this configuration is abstracted by WD's proprietary software layer, meaning users do not directly edit `httpd.conf` files as on a standard Apache installation but instead rely on the GUI to write these changes to the underlying configuration managed by the system.

The operational implication of this change is immediate upon saving and restarting the web server service through the interface. Any existing websites must have their full file structures migrated to the new directory to remain accessible, and permissions on the new folder must allow the web server's system user, which is managed by WD OS, read and execute access. A common complication arises from symbolic links or attempting to use a directory on an external USB drive, which may not be supported or may require specific sharing permissions to be set first within the WD storage management console. Furthermore, changing this directory does not affect other server settings like PHP configuration, rewrite rules, or virtual host specifics; WD devices generally configure a single, primary virtual host for user web hosting, making this root directory setting the central pivot point for all web content.

For advanced users seeking more granular control, such as running multiple distinct sites, the native WD interface is typically insufficient. The common workaround involves enabling SSH access on the device, which is an unsupported or advanced option that may void warranties, and then manually configuring Apache's virtual host files directly. However, this answer strictly addresses the standard, supported method as implied by the question's context of a "Western Digital virtual host" within the ecosystem of their consumer and prosumer NAS products. The process underscores a trade-off: simplicity and reliability through the vendor's GUI versus the flexibility of a traditional web server administration. Therefore, the definitive procedure is confined to the Web Server application's settings page, where the path is defined, ensuring all web service file lookups are anchored to the newly specified folder without altering the server's broader network or firewall settings, which remain separately managed within other WD OS modules.

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