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Installation Procedure (Ubuntu 20.04)

  1. Log in to the server as the root user and check whether dependencies, such as Python and GCC, 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 zlib1g-dev| grep zlib1g-dev| grep ii
dpkg -l libsqlite3-dev| grep libsqlite3-dev| grep ii
dpkg -l openssl| grep openssl| grep ii
dpkg -l libssl-dev| grep libssl-dev| grep ii
dpkg -l libffi-dev| grep libffi-dev| 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
dpkg -l libblas-dev| grep libblas-dev| grep ii
dpkg -l gfortran| grep gfortran| grep ii
dpkg -l libblas3| grep libblas3| grep ii
dpkg -l libopenblas-dev| grep libopenblas-dev| grep ii

    If the following information is displayed, the dependencies have been installed. Go to the next step. (The following information shows an example.)

    gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
g++ (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
GNU Make 4.2.1
cmake version 3.16.3
zlib1g:arm64   1:1.2.11.dfsg-2ubuntu1.3 arm64        compression library - runtime
zlib1g-dev:arm64 1:1.2.11.dfsg-2ubuntu1.3 arm64        compression library - development
libsqlite3-dev:arm64 3.31.1-4ubuntu0.3 arm64        SQLite 3 development files
openssl        1.1.1f-1ubuntu2.13 arm64        Secure Sockets Layer toolkit - cryptographic utility
libssl-dev:arm64 1.1.1f-1ubuntu2.13 arm64        Secure Sockets Layer toolkit - development files
libffi-dev:arm64 3.3-4        arm64        Foreign Function Interface library (development files)
unzip          6.0-25ubuntu1 arm64        De-archiver for .zip files
pciutils       1:3.6.4-1ubuntu0.20.04.1 arm64        PCI utilities
net-tools      1.60+git20180626.aebd88e-1ubuntu1 arm64        NET-3 networking toolkit
libblas-dev:arm64 3.9.0-1build1 arm64        Basic Linear Algebra Subroutines 3, static library
gfortran       4:9.3.0-1ubuntu2 arm64        GNU Fortran 95 compiler
libblas3:arm64 3.9.0-1build1 arm64        Basic Linear Algebra Reference implementations, shared library
libopenblas-dev:arm64 0.3.8+ds-1ubuntu0.20.04.1 arm64        Optimized BLAS (linear algebra) library (dev, meta)
    Otherwise, run the following command to install the software. You can change the following command to install only some of them as required.
    apt-get install -y gcc g++ make cmake zlib1g zlib1g-dev openssl libsqlite3-dev libssl-dev libffi-dev unzip pciutils net-tools libblas-dev gfortran libblas3 libopenblas-dev
  2. Check whether the Python development environment that meets the version requirements is installed. For details, see Dependency List. This step uses Python 3.7.x as an example.

    Run the python3 --version command. If the returned Python version meets the requirements (3.7.0 to 3.7.11), go to 3.

    Otherwise, install Python (Python 3.7.5 is used as an example).

    1. Run the following command to download the source package of Python 3.7.5 to any directory of the installation environment:
      wget https://www.python.org/ftp/python/3.7.5/Python-3.7.5.tgz
    2. Go to the download directory and run the following command to extract the source package:
      tar -zxvf Python-3.7.5.tgz
    3. Go to the decompressed folder and run the following configuration, build, and installation commands:
      cd Python-3.7.5
./configure --prefix=/usr/local/python3.7.5 --enable-loadable-sqlite-extensions --enable-shared
make
make install

      The --prefix parameter specifies 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 --prefix=/usr/local/python3.7.5 as an example. After the configuration, compilation, and installation commands are executed, the installation package is stored in the /usr/local/python3.7.5 directory, and the libpython3.7m.so.1.0 dynamic library is stored in the /usr/local/python3.7.5/lib/libpython3.7m.so.1.0 directory.

    4. Set the Python 3.7.5 environment variables.
      # Set the Python 3.7.5 library path.
export LD_LIBRARY_PATH=/usr/local/python3.7.5/lib:$LD_LIBRARY_PATH
# If multiple Python 3 versions exist in the user environment, use Python 3.7.5.
export PATH=/usr/local/python3.7.5/bin:$PATH

      Set environment variables in the preceding export mode. In this mode, the environment variables take effect only in the current window. You can also write the preceding commands to the ~/.bashrc file and run the source ~/.bashrc command for the environment variables to take effect permanently. If you need to use other Python versions in the environment, do not to write the preceding commands to the ~/.bashrc file.

    5. 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 --version
pip3 --version
  3. Before installing the CANN, run the pip3 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.
    • Configure the pip source before the installation. For details, see Configuring the PIP Source.
    • Before the installation, you are advised to run the pip3 install --upgrade pip command to perform the upgrade to prevent the installation failure caused by an earlier pip version.
    pip3 install attrs
pip3 install cython
pip3 install numpy
pip3 install decorator
pip3 install sympy
pip3 install cffi
pip3 install pyyaml
pip3 install pathlib2
pip3 install psutil
pip3 install protobuf
pip3 install scipy
pip3 install requests
pip3 install absl-py

    If the error message "subprocess.CalledProcessError: Command '('lsb_release', '-a')' return non-zero exit status 1" is displayed, rectify the fault by referring to Error Message "subprocess.CalledProcessError: Command '('lsb_release', '-a')' return non-zero exit status 1" Is Displayed During pip3 Installation.