Preparing Software Packages

DDK installation package: Visit https://support.huawei.com/enterprise, enter the product name in the search box, and press Enter or click the search icon. In the displayed window, click the Software Download tab to obtain the desired installation package.

Table 1 describes the software packages.

**Table 1** Overview of the software packages
Installation Package	Content	Application Scenario	Integrity Verification File for the Software Package
MSpore_DDK-{version}-<uihost arch.os>-<host arch.os>-<device arch.os>.tar.gz For details about the parameter description, see Table 2.	DDK installation package In this example, the DDK installation package contains the following packages: DDK installation package for non-DK scenarios (such as Atlas 300): MSpore_DDK-{version}- aarch64.ubuntu18.04-aarch64.ubuntu18.04-aarch64.miniOS.tar.gz		MSpore_DDK-{version}-<uihost arch.os>-<host arch.os>-<device arch.os>.tar.gz.asc
	ddk.tar.gz	DDK installation package
	install.sh	Installation script
	check_sha.sh	Used to verify the integrity of the preceding two files. This script is automatically called to perform integrity check during the execution of install.sh.

Table 2 describes the naming rules of the DDK installation package.

**Table 2** Naming rules of the DDK installation package
Parameter	Description
{version}	Version number
<uihost arch.os>	CPU architecture, OS, and version of the UI Host, for example, aarch64.ubuntu16.04 and aarch64.centOS7.4
<host arch.os>	CPU architecture, OS, and version of the host, for example, aarch64.ubuntu16.04 and aarch64.centOS7.4
<device arch.os>	CPU architecture, OS, and version of the device, for example, aarch64.ubuntu16.04 and aarch64.miniOS Architecture of the developer board (Atlas 200 DK) on the device: aarch64.ubuntu16.04 Architecture of the non-developer board (Atlas 300 DK) on the device: aarch64.miniOS