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Installing Dependencies

  1. Install the required dependencies.
    • On CentOS 7.6/openEuler 20.03: 
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      yum install -y autoconf automake jemalloc-devel libedit-devel libtool ncurses-devel pcre-devel pkgconfig python-docutils python-sphinx graphviz httpd wget
    • On CentOS 8.1: 
      yum install -y autoconf automake libtool ncurses-devel pcre-devel pkgconfig python3-docutils graphviz httpd wget
  2. Download Python 3.6, then compile and install it. (Python 3 in CentOS 8.1 and openEuler is later than 3.6 and does not need to be installed.)
    1. Obtain the Python 3.6 source code.
      1. Download the Python 3.6 source code package using the local browser.

        URL: https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tgz

      2. Copy the source code to the /home directory on the server.

      If the server is connected to the Internet, you can run the wget command to download the source code.

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      cd /home/
wget https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tgz --no-check-certificate
    2. Create an installation directory python3. Decompress the source package and go to the decompressed directory. 
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      mkdir /usr/local/python3 && tar -zxvf Python-3.6.0.tgz && cd Python-3.6.0
    3. Configure, compile, and install Python. 
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      ./configure --prefix=/usr/local/python3  && make -j60 && make install
    4. Set environment variables to be effective. 
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      echo export PATH=$PATH:/usr/local/python3/bin >> /etc/profile && source /etc/profile
    5. Verify the Python 3.6 installation. 
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      python3 --version

      If the Python version is Python 3.6.0, the installation is successful.

  3. Install pip (required only on CentOS 8.1).
    1. Download the pip installer script. 
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      cd /home/
wget https://bootstrap.pypa.io/get-pip.py --no-check-certificate
    2. Install pip. 
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      python3 get-pip.py

    3. Check the installed pip version. 
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      pip -V

  4. Install Sphinx (required only on CentOS 8.1).
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    pip install -U sphinx

    If the pip install -U sphinx command times out, set the timeout period, for example, 100 seconds or longer.

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    pip install --default-timeout=1000 -U sphinx
  5. Install libedit-devel (required only on CentOS 8.1).
    1. Download the libedit-devel RPM installation package. 
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      wget http://mirror.centos.org/centos/8/PowerTools/aarch64/os/Packages/libedit-devel-3.1-23.20170329cvs.el8.aarch64.rpm --no-check-certificate
    2. Install libedit-devel. 
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      rpm -ivh libedit-devel-3.1-23.20170329cvs.el8.aarch64.rpm