Installing Python

Procedure

1. Use PuTTY to log in to the server as the root user.
2. Decompress the Python-3.9.6 installation package.

   cd /path/to/Python-3.9.6
   tar -xvf Python-3.9.6.tgz

3. Go to the directory generated after the decompression.

   cd Python-3.9.6

4. Install the dependencies.

   yum install gcc libffi* openssl libssl zlib* bzip2

5. Perform the compilation and installation.

   ./configure --prefix=/path/to/Python-3.9.6 --enable-shared --enable-optimizations
   make
   make install

6. Configure the variables.
   1. Open the /etc/profile file.

      vi /etc/profile

   2. Press i to enter the edit mode and add the following content:

      export PATH=/path/to/Python-3.9.6/bin:$PATH
      export LD_LIBRARY_PATH=/path/to/Python-3.9.6/lib:$LD_LIBRARY_PATH

   3. Press Esc, type :wq!, and press Enter to save the settings and exit.
   4. Reload the environment variables.

      source /etc/profile

7. View the version information.

   python3 --version
   pip3 --version

   If the correct version is displayed, the installation is successful.