Why Looking for MyCloudEX2Ultra file Radicale bin

Here’s what you should know about finding a Radicale .bin file for a My Cloud EX2 Ultra device — including why it’s not straightforward and where these files typically come from:

1. Third‑Party App Packages Use .bin Files

Western Digital’s My Cloud NAS OS allows users to install third‑party apps via binary (.bin) files. These are packaged applications designed to run on the NAS environment. Support articles show that you can manually download and install these .bin files for different apps on My Cloud models — including EX2 Ultra — by finding them in the manufacturer’s app XML list and downloading the corresponding .bin file.

To find these files:

The WD support pages include XML listings of available applications for the EX2 Ultra (e.g., MyCloudEX2Ultra/bvbz.xml).

By loading that XML in an online XML viewer and switching to “Tree” mode, you can locate the URLs of individual .bin packages and download them directly.

Once downloaded, you can manually install them via the My Cloud dashboard under Apps → Install a third‑party app manually.

2. Radicale Isn’t an Official WD App Package

The reason you likely aren’t finding a ready‑to‑download Radicale.bin file is that Radicale isn’t distributed as an official WD third‑party app. The thread from a WD community forum shows a user asking specifically for a “Radicale 3.1.8 bin,” but it appears no packaged version is officially provided for the My Cloud OS.

That means there isn’t a published .bin file for Radicale in the WD app repositories the way there are for apps like duplicati or docker (which do have EX2 Ultra .bin versions available in community repositories).

3. Workarounds for Radicale on My Cloud EX2 Ultra

Since a packaged Radicale .bin isn’t readily available, your options are limited:

A. Look for Community‑Built Binaries

Sometimes independent community members build .bin versions of popular software like Radicale. These aren’t provided or endorsed by WD, and you’ll typically find them shared on forums or GitHub rather than on official WD channels.

B. Install via SSH (Advanced)

If you are comfortable with Linux and have SSH access to the EX2 Ultra, you might be able to install Radicale manually using the command line. This involves downloading the appropriate Radicale package and configuring it to run on the NAS. However, this is not officially supported and may affect the device’s warranty and stability.

C. Use Container Solutions

If your EX2 Ultra supports Docker (there are community examples of a Docker .bin for EX2 Ultra), you could run Radicale inside a Docker container — provided your NAS firmware and hardware support it.

General Tips for Using .bin Files on My Cloud EX2 Ultra

Always verify that the .bin file you intend to install matches your specific device model (EX2 Ultra, not other models) and firmware version.

Third‑party .bin applications are installed via the My Cloud dashboard under Apps → Install a third‑party app.

Incorrect or incompatible .bin installations can corrupt the OS or cause system instability — proceed cautiously, and back up your data first.

Summary

WD’s My Cloud OS uses .bin packages for applications, and these can be extracted from the vendor’s XML app lists.

There’s no official Radicale .bin offered for My Cloud EX2 Ultra — which is why you won’t find it in the usual support files or repo lists.

To use Radicale on this NAS, you’d likely need a community‑built package, manual installation via SSH, or a Docker‑based approach (advanced).

If you want help with one of those workarounds (e.g., how to install Radicale via SSH or Docker on your EX2 Ultra), just let me know!