Huawei A500-3000, A500-3010 Installation Manual

Atlas Intelligent Edge

V100R020C00

CANN Software Installation Guide

(A500-3000, A500-3010)

Issue	01
Date	2021-03-02

HUAWEI TECHNOLOGIES CO., LTD.

No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.

Trademarks and Permissions

and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective holders.

Notice

The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise c fi in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied.

The information in this document is subject to change without notice. Every ff r has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied.

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Atlas Intelligent Edge
CANN Software Installation Guide (A500-3000,
A500-3010)	Contents

Contents

1 Installation Scenarios.............................................................................................................					1
2 Installing the Development Environment.........................................................................					2
2.1	Obtaining Software Packages.............................................................................................................................................				2
2.2	Preparations for Installation................................................................................................................................................				3
2.2.1		nfig	r ng Ubuntu x86 ....................................................................................................................................................		3
2.3	Procedure...................................................................................................................................................................................				9
2.4		nfig r ng the Compilation Environment..................................................................................................................			11
2.5	Developing Applications.....................................................................................................................................................				12
2.6	Verifying Applications..........................................................................................................................................................				12
2.6.1		r fic	n Description ...................................................................................................................................................		12
2.6.2 Creating an Inference Container Image....................................................................................................................					12
2.6.3 Starting and Verifying a Container Image................................................................................................................					16
3 Installing the Operating Environment.............................................................................					19
3.1	Data Planning........................................................................................................................................................................				19
3.1.1 AI Edge Station Network Ports.....................................................................................................................................					19
3.1.2 Typical Networking...........................................................................................................................................................					20
3.1.3 Drive Partition Planning..................................................................................................................................................					22
3.2	Obtaining Software Packages...........................................................................................................................................				22
3.3	Default Information.............................................................................................................................................................				22
3.4	Scenarios				23
3.5	Scenario 1: Batch		nfig r	n Using SmartKit (Recommended).....................................................................	24
3.5.1 Installing and Running SmartKit..................................................................................................................................					24
3.5.2 Batch			n Using a Template......................................................................................................................		26
3.6	Scenario 2: Single-Device			nfig r n.......................................................................................................................	31
3.6.1 Initial .........................................................................................................................................................			n		31
3.6.2 Managing ...................................................................................Atlas 500 AI Edge Stations on FusionDirector					31
3.7	Deploying .......................................................................................................................................................Applications				38
4 Common ............................................................................................................Operations					39
4.1		nfig r ng ............................................................................................................................a System Network Proxy			39
4.2	Uninstalling .....................................................................................................................................the CANN Software				40
4.3	Setting User .............................................................................................................................Account Validity Period				41
5 FAQs..........................................................................................................................................					43

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5.1	What Do I Do If "Could not fin a version that	fi the requirement xxx" Is Displayed When
pip3.7.5 install Is Run?................................................................................................................................................................		43
6 References...............................................................................................................................		45
6.1	Parameters..............................................................................................................................................................................	45
6.2	About CCEC Compiler..........................................................................................................................................................	47
6.3	HCC Overview........................................................................................................................................................................	48
A Change History......................................................................................................................		50

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Atlas Intelligent Edge
CANN Software Installation Guide (A500-3000,
A500-3010)	1 Installation Scenarios

1Installation Scenarios

Installing the Development Environment

The development environment refers to an environment used by a user to develop an application program. It is usually deployed a PC or a server.

The development kit must be installed in the development environment. In the scenario where the operating environment is deployed on an ARM device and the development environment is deployed on an x86-architecture device, you need to install the development kits of both the x86 and ARM architectures and the cross compilation tool in the development environment.

Installing the Operating Environment

The operating environment is the environment for running applications developed by users. The operating environment requires the c nfig r n of Ascend AI devices. See Atlas 500 AI edge station.

Create a container image using the ffl n inference engine and applications, and run the container image on an Ascend AI device.

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2Installing the Development Environment

2.1Obtaining Software Packages

2.2Preparations for Installation

2.3Procedure

2.4nfig r ng the Compilation Environment

2.5Developing Applications

2.6Verifying Applications

2.1Obtaining Software Packages

Downloading Software Packages

Before installing the software, obtain software packages. The versions of the software packages must be consistent.

Table 2-1 Software packages

Name	Package	OS	Description	How to
		Architecture		Obtain

Develop	Ascend-cann-	Ubuntu X86	It is used for	Link
ment kit	toolkit_{version}_li		application
	nux-		development,
	x86_64_gcc7.3.0.ru		custom operator,
	n		and model
			conversion. The
			development kit
			contains the
			library fi
			required for
			developing
			applications and
			development

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	Name	Package	OS	Description	How to
			Architecture		Obtain
		Ascend-cann-	Ubuntu Arm	auxiliary tools
		toolkit_{version}_li		such as the ATC
		nux-		model conversion
		aarch64_gcc7.3.0.r		tool.
		un

	ffl n	Ascend-cann-	Ubuntu ARM	It contains the
	inference	nnrt_{version}_linu	container	ACL library ACLlib,
	engine	x-	basic image	which is used for
	package	aarch64_gcc7.3.0.r		model inference
		un		of applications.
				The package is
				used for 2.6.2
				Creating an
				Inference
				Container Image.

NOTE

{version} indicates the software version.

2.2 Preparations for Installation

2.2.1

Ubuntu x86

Environment Requirements

Prepare an x86 server (or PC) for setting up the development environment. You need to install the Ubuntu x86 on the server in advance.

The hardware and OS of the development environment must meet the requirements listed in Table 2-2.

Table 2-2 Ubuntu x86 version information

Parameter	Version	How to Obtain
	Restriction

OS	18.04	ffic website

Python	3.7.5	See Installing Dependencies.

cmake	3.5.1+

protobuf	3.11.3+

g++	7.3.0 or later

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	Parameter	Version	How to Obtain
		Restriction
	gcc	7.3.0 or later

Checking the umask of the root User

1.Log in to the installation environment as the root user.

2.Check the umask value of the root user.

umask

3. If the umask value is not 0022, append "umask 0022" to the fi and save the fi

a.Run the following command in any directory to open the .bashrc fi

vi ~/.bashrc

	Append umask 0022 to the end of the fi
b.	Run the :wq! command to save the fi and exit.
c.	Run the source ~/.bashrc command for the m fic n to take ff c
	immediately.

Creating Installation and Running Users

Table 2-3 lists the users for installing and running the firmw r and CANN software.

Table 2-3	Installation and running user list

Package		Installation User	Running User
Type
CANN		The user can be root or	The user must be a non-root user.
software		non-root. For details, see
packages		the content below the
		table.

●For installation as the root user:

After installation as the root user, you must switch to a non-root user for execution (the running user must not belong to the root user group). Therefore, you need to create a running user before the installation.

–If the created user is HwHiAiUser, you can directly install the software packages as the HwHiAiUser user. The default installation user is

HwHiAiUser.

–If the created user is not HwHiAiUser, you need to specify the running user (by using the --install-username=user name --install- usergroup=user group parameter) when installing the software package. Perform the following operations to create a user.

●For installation as a non-root user:

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In this scenario, the installation and running users must be the same.

–If a non-root user exists, you do not need to create one.

–If you want to use a new non-root user, you need to create the user fir

To create a non-root user, run the following commands as the root user:

1.Create a non-root user.

groupadd usergroup

useradd -g usergroup -d /home/username -m username

2.Set the password of the non-root user.

passwd username

NOTE

●The created running user cannot belong to the root user group.

●After the HwHiAiUser user is created, do not disable the login authentication function of the user.

●The password validity period is 90 days. You can change the validity period in the /etc/

Permissions for the User

Before installing the development kit, you need to download the dependencies, which require sudo apt-get permission. Run the following commands as the root user:

1.Open the /etc/sudoers fi

chmod u+w /etc/sudoers vi /etc/sudoers

2. Add the following content under # User privilege of the fi

root ALL=(ALL:ALL) ALL

username ALL=(ALL:ALL) NOPASSWD:SETENV:/usr/bin/apt-get, /usr/bin/pip, /bin/tar, /bin/

mkdir, /bin/rm, /bin/sh, /bin/cp, /bin/bash, /usr/bin/make install, /bin/ln -s /usr/local/python3.7.5/bin/ python3 /usr/bin/python3.7, /bin/ln -s /usr/local/python3.7.5/bin/pip3 /usr/bin/pip3.7, /bin/ln -s /usr/ local/python3.7.5/bin/python3 /usr/bin/python3.7.5, /bin/ln -s /usr/local/python3.7.5/bin/pip3 /usr/bin/

pip3.7.5, /usr/bin/unzip,		b n	b n	b n c	m	r b n		r b n		r b n
v	b n mv b n c	b n c wn r b n				r b n	r b n y m r b n y			r r b n
r	r b n gr	b n c		r b n	rm	r b n	w	r b n	c	r b n
r	r b n	b n	b n f	r b n gr		b n gr		r b n rv c b n		b n gr
b n	c nfig r b n	b n r	n	r b n	q 3	r b n		/usr/bin/perf, /usr/bin/
ltrace,	r b n fin

Replace username with the actual installation userfor installation as a nonroot user. Replace username with the actual running user (HwHiAiUser by default) for installation as the root user.

NOTE

Ensure that the /etc/sudoers fi contains #includedir /etc/sudoers.d. If the fi does not contain #includedir /etc/sudoers.d, manually add it to the end of the fi

3.Run the :wq! command to save the fi

4.Run the following command to revoke the write permission on the /etc/

sudoers fi

chmod u-w /etc/sudoers

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Checking the Source Validity

Development kit installation requires the download of related dependencies. Ensure that the installation environment can be connected to the network.

Run the following command as the root user to check whether the source is valid:

apt-get update

If an error is reported during command execution or dependency installation, check whether the network connection is normal, or replace the source in

the /etc/apt/sources.list fi	with an available source or use an image source. For
details about how to c nfig	r a network proxy, see 4.1	a System
Network Proxy.

Installing Dependencies

NOTE

●If you install Python and its dependencies as the root user, perform 1 to 3. Note that the sudo keywords in the commands need to be deleted if any.

●If you install Python and its dependencies as a non-root user, run the su - username command to switch to the non-root user and perform Step 1 to Step 3.

Step 1 Check whether the Python dependencies and GCC software are installed.

Run the following commands to check whether the dependencies such as GCC, Make, and Python are installed:

gcc --version g++ --version make --version cmake --version

dpkg -l zlib1g| grep zlib1g| grep ii

dpkg -l libssl-dev| grep libssl-dev| grep ii dpkg -l bffi v grep bffi v grep ii dpkg -l unzip| grep unzip| grep ii

dpkg -l pciutils| grep pciutils| grep ii dpkg -l net-tools| grep net-tools| grep ii

If the following information is displayed, the installation is complete. Go to the next step.

gcc (Ubuntu 7.3.0-3ubuntu1~18.04) 7.3.0
g++ (Ubuntu 7.3.0-3ubuntu1~18.04) 7.3.0
GNU Make 4.1
cmake version 3.10.2
zlib1g:amd64		1:1.2.11.dfsg-0ubuntu2 amd64			compression library - runtime
zlib1g-dev:amd64 1:1.2.11.dfsg-0ubuntu2 amd64					compression library - development
libsqlite3-dev:amd64 3.22.0-1ubuntu0.3 amd64					SQLite 3 development fi
openssl	1.1.1-1ubuntu2.1~18.04.5 amd64				Secure Sockets Layer toolkit - cryptographic utility
libssl-dev:amd64 1.1.1-1ubuntu2.1~18.04.5 amd64					Secure Sockets Layer toolkit - development fi
bffi v	m	64 3.2.1-8	amd64	Foreign Function Interface library (development fi
unzip	6.0-21ubuntu1 amd64			De-archiver for .zip fi
pciutils	1:3.5.2-1ubuntu1.1 amd64			Linux PCI Utilities
net-tools	1.60+git20161116.90da8a0-1ubuntu1 amd64					NET-3 networking toolkit

Otherwise, run the following command to install the software. You can change the following command to install only some of them as required.

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CAUTION

●If you install dependencies as the root user, delete sudo from the commands in steps 1 and 2.

●If Python and its dependency are installed as a non-root user, run the su - username command to switch to the non-root user, and then perform step 1 to step 3.

●libsqlite3-dev must be installed before the Python installation. If the Python 3.7.5 environment has been installed in the user's OS and libsqlite3-dev is installed after the Python 3.7.5 environment is installed, you need to rebuild the Python environment.

sudo apt-get install -y gcc g++ make cmake zlib1g zlib1g-dev libsqlite3-dev openssl libssl-dev bffi v unzip pciutils net-tools

Step 2 Check whether the Python development environment is installed.

The development kit depends on the Python environment. Run the python3.7.5 -- version and pip3.7.5 --version commands to check whether Python has been installed. If the following information is displayed, Python has been installed. Go to the next step.

Python 3.7.5

pip 19.2.3 from /usr/local/python3.7.5/lib/python3.7/site-packages/pip (python 3.7)

Otherwise, use the following procedure to install Python 3.7.5:

1.Run the wget command to download the source code package of Python 3.7.5 to any directory of the installation environment. The command is as

follows:

wget https://www.python.org/ftp/python/3.7.5/Python-3.7.5.tgz

2.Run the following command to go to the download directory and decompress

the source code package:

tar -zxvf Python-3.7.5.tgz

3. Go to the decompressed folder and run the following c nfig r							n build, and
installation commands:
	cd Python-3.7.5
	c nfig r	r fix	r c y	n3 7 5 --enable-loadable-sqlite-extensions --enable-shared
	make
	sudo make install
	The	x parameter		c fi	the Python installation path. You can change
	it based on the site requirements. The --enable-shared parameter is used to
compile the libpython3.7m.so.1.0 dynamic library. The --enable-loadable-
	sqlite-extensions parameter is used to load libsqlite3-dev.
	This document uses			x	y	as an example. After the
	c nfig r	n	compilation, and installation commands are executed, the

installation package is output to the /usr/local/python3.7.5 directory, and the libpython3.7m.so.1.0 dynamic library is output to the /usr/local/ python3.7.5/lib/libpython3.7m.so.1.0 directory.

4.Check whether libpython3.7m.so.1.0 exists in /usr/lib64 or /usr/lib. If yes,

skip this step or back up the libpython3.7m.so.1.0 fi provided by the system and run the following command:

Copy the compiled fi libpython3.7m.so.1.0 to /usr/lib64:

sudo cp /usr/local/python3.7.5/lib/libpython3.7m.so.1.0 /usr/lib64

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When the following information is displayed, enter y to overwrite the libpython3.7m.so.1.0 fi provided by the system.

cp: overwrite 'libpython3.7m.so.1.0'?y

If the /usr/lib64 directory does not exist in the environment, copy the fi to the /usr/lib directory.

sudo cp /usr/local/python3.7.5/lib/libpython3.7m.so.1.0 /usr/lib

Replace the path of the libpython3.7m.so.1.0 fi as required.

5.Run the following commands to set the soft link:

sudo ln -s /usr/local/python3.7.5/bin/python3 /usr/bin/python3.7 sudo ln -s /usr/local/python3.7.5/bin/pip3 /usr/bin/pip3.7

sudo ln -s /usr/local/python3.7.5/bin/python3 /usr/bin/python3.7.5 sudo ln -s /usr/local/python3.7.5/bin/pip3 /usr/bin/pip3.7.5

If a message indicating that the link already exists is displayed during the command execution, run the following commands to delete the existing link and run the commands again:

sudo rm -rf /usr/bin/python3.7.5 sudo rm -rf /usr/bin/pip3.7.5 sudo rm -rf /usr/bin/python3.7 sudo rm -rf /usr/bin/pip3.7

6.Run the following commands to set the soft link:

sudo ln -s /usr/local/python3.7.5/bin/python3 /usr/local/python3.7.5/bin/python3.7.5 sudo ln -s /usr/local/python3.7.5/bin/pip3 /usr/local/python3.7.5/bin/pip3.7.5

7.Set the Python 3.7.5 environment variables.

a.Run the vi ~/.bashrc command in any directory as the running user to

open the .bashrc fi and append the following content to the fi

# Set the Python 3.7.5 library path.

export LD_LIBRARY_PATH=/usr/local/python3.7.5/lib:$LD_LIBRARY_PATH

# If multiple Python 3 versions exist in the user environment, specify Python 3.7.5. export PATH=/usr/local/python3.7.5/bin:$PATH

b.	Run the :wq! command to save the fi and exit.
c.	Run the source ~/.bashrc command for the m fic n to take ff c
	immediately.

8.After the installation is complete, run the following commands to check the installation version. If the required version information is displayed, the

installation is successful.

python3.7.5 --version pip3.7.5 --version

Step 3 Install the Python 3 development environment.

Before the installation, run the pip3.7.5 list command to check whether the dependencies have been installed. If yes, skip this step. If not, run the following command to install the dependencies: (If only some of the software is not installed, modify the following command to install selected software only.)

If you install Python and its dependencies as a non-root user, add --user at the end of each command in this step to ensure that the installation is successful. Example command: pip3.7.5 install attrs --user

pip3.7.5 install attrs pip3.7.5 install psutil pip3.7.5 install decorator pip3.7.5 install numpy

pip3.7.5 install protobuf==3.11.3 pip3.7.5 install scipy

pip3.7.5 install sympy pip3.7.5 install cffi

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pip3.7.5 install grpcio==1.32.0 pip3.7.5 install grpcio-tools==1.32.0 pip3.7.5 install requests

During the command execution, if the network connection fails and the message


"Could not fin a version that	fi the requirement xxx" is displayed, rectify
the fault by referring to 5.1 What Do I Do If "Could not		a version that

the requirement xxx" Is Displayed When pip3.7.5 install Is Run?.

----End

2.3 Procedure

Prerequisites

You have prepared for the installation by referring to 2.2 Preparations for Installation.

Obtain the development kit packages Ascend-cann-toolkit_{version}_linux- x86_64_gcc7.3.0.run and Ascend-cann-toolkit_{version}_linux- aarch64_gcc7.3.0.run by referring to 2.1 Obtaining Software Packages.

Procedure

Step 1 Log in to the installation environment as the installation user of the software package.

Ensure that the installation user of the software packages is the same as the installation dependency user in 2.2 Preparations for Installation.

Step 2 Upload the development kit obtained in 2.1 Obtaining Software Packages to any directory (for example, /home/package) in the installation environment.

You need to obtain the two software packages applicable to Ubuntu x86 and Ubuntu ARM, upload the two software packages, and perform the entire installation process from Step 4 to Step 7.

Step 3 Go to the directory where the software package is stored. Step 4 Grant the execute permission on the software package.

chmod +x *.run

NOTE

In the preceding command, *.run indicates the development kit Ascend-cann- toolkit_{version}_linux-{arch}_gcc7.3.0.run. Replace it with the actual package name.

Step 5 Run the following command to check the consistency and integrity of the software package installation fi

./*.run --check

Step 6 Create a software installation path.

● If you need to specify the installation path, you need to create it fir For example, if the installation path is /home/work, run the mkdir -p /home/ work command to create an installation path and then select the path to install the software.

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●If you do not specify an installation path, the software is installed in the default path. Table 2-4 lists the default paths.

Table 2-4 Software package installation paths

Item	Directory

Default	–	root user: /usr/local/Ascend
installation	–	Non-root user: ${HOME}/Ascend
path of	–	Non-root user: ${HOME}/Ascend
path of
software
packages

Installation log	${install_path}/ascend-toolkit/{version}/{arch}-linux-
path	gccx.x.x/ascend_install.log

Path for	${install_path}/ascend-toolkit/{version}/{arch}-linux-
recording	gccx.x.x/ascend_toolkit_install.info
information
such as the
software
package
version, CPU
architecture,
GCC version,
and installation
path after the
installation

Table 2-5 describes the variables in Table 2-4.

Table 2-5 Variable description

Variable	Description

{version}	Version directory, which is named after the
	version number of a software package.
	NOTE
	Multiple versions can be installed, which are
	ff r n	by version numbers.

{arch}-linux-gccx.x.x	Architecture directory, which is named after
	the combination of the CPU architecture,
	Linux branch, and GCC version of a software
	package.
	NOTE
	Multiple versions can be installed.

${HOME}	Current user name.

${install_path}	Software package installation path.

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Step 7 Install the software. (The following commands support --install-for-all and -- install-path=<path>. For details about the parameters, see 6.1 Parameters.)

●If the installation is performed as a non-root user, run the following command:

./*.run --install

●If the installation is performed as the root user:

– As the default running user HwHiAiUser, run the following command:

./*.run --install

– As a	c fi running user, run the following command:
./*.run --install-username=username --install-usergroup=usergroup --
install

where, --install-username and --install-usergroup are used to specify the running users.

NOTE

● If the installation is performed by the root user, do not to specify the installation path in the directory of a non-root user. Otherwise, the root user fi may be replaced by a nonroot user for privilege escalation.

●The --quiet option is not supported when the development kit Ascend-cann- toolkit_{version}_linux-{arch}_{gcc_version}.run is installed in an x86 system.

●If the following information is displayed during the installation of the development kit

Ascend-cann-toolkit_{version}_linux-{arch}_{gcc_version}.run in the x86 system, asking you whether to perform a hot reset, enter n. After the installation is complete, restart the OS for the setting to take ff c In the current version, only n is supported.

The installation of aicpu_kernels needs to restart the device to take ff c do you want to hot_reset the device? [y/n] n

For more installation modes, see 6.1 Parameters.

		If the following information is displayed, the software is successfully installed:
		[INFO] xxx install success
		[INFO] process end
	xxx indicates the name of the software package to be installed.
	----End
2.4		the Compilation Environment

The OS and architecture of the development environment are ff r n from those of the operating environment. Therefore, you need to install the cross-compiler in the development environment. For details, see Table 2-6.

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	Table 2-6 Cross-compiler installation

	OS and	OS and		Compilation Environment
	Architectu	Archite
	re of the	cture of
	Developm	the
	ent	Operati
	Environm	ng
	ent	Environ
		ment
	Ubuntu18.	Ubuntu		Run the aarch64-linux-gnu-g++ --version command in
	04+x86_64	18.04+A		the development environment as the installation user of
		rm64		the software package to check whether g++ has been
				installed. If not, run the following command to install g
			++:
				sudo apt install g++-aarch64-linux-gnu

2.5 Developing Applications

After the development environment is set up, developers can develop applications in the development environment. For details, see the Atlas Intelligent Edge Solution V100R020C00 Application Software Development Guide.

2.6 Verifying Applications

2.6.1 Description

Prepare an Atlas 500 AI edge station by referring to 3 Installing the Operating Environment and perform the following operations on the edge station.

2.6.2 Creating an Inference Container Image

Prerequisites

●In the container scenario, install Docker 18.03 or later.

● Obtain the ffl n inference engine package and service inference program package by referring to Table 2-7. The user environment needs to connect to the network to pull images. If the network is not connected, see 4.1

a System Network Proxy.

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Atlas Intelligent Edge
CANN Software Installation Guide (A500-3000,
A500-3010)		2 Installing the Development Environment
	Table 2-7 Required software

	Software Package	Description	How to Obtain

	A500-3000-	ffl n inference engine	Link
	nnrt_{version}_linux-	package
	aarch64_gcc7.3.0.run	{version} indicates the
		{version} indicates the
		software package
		version.

	c rfi	Required for creating an	Prepared by
		image	users

	Service inference program	Collection of service	Prepared by
	package	inference programs.	users
		The .tar and .tgz
		formats are supported.
		The compressed
		package format of the
		service inference
		program must be
		supported by the
		compression program in
		the container. In
		addition, the command
		for decompressing the
		service inference
		program package in
		install.sh must map the
		actual format.

	install.sh	Installation script of the
		service inference
		program.

	run.sh	Script for running the
		service inference
		program.

Procedure

Step 1 Upload the software package to the same directory (for example, /home/test) on the edge station.

●A500-3000-nnrt_{version}_linux-aarch64_gcc7.3.0.run

●Service inference program package

Step 2 Perform the following steps to create a

c rfi

1.Log in to the edge station as the root user and run the id HwHiAiUser command to query and record the UID and GID of the HwHiAiUser user on the host.

2.Go to the software package upload directory in Step 1 and run the following

command to create a c rfi (for example,

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Huawei A500-3000, A500-3010 Installation Manual

Contents

1 Installation Scenarios

2 Installing the Development Environment

2.1Obtaining Software Packages

2.2 Preparations for Installation

2.3 Procedure

2.5 Developing Applications

2.6 Verifying Applications

2.6.2 Creating an Inference Container Image