Installing Python 2.7

Procedure

1. Download the Python language source package.

   cd /path/to/athena_meta/dependences
   wget https://www.python.org/ftp/python/2.7.18/Python-2.7.18.tar.xz

2. Decompress the installation package.

   tar -xvf Python-2.7.18.tar.xz
   cd python-2.7.18

3. Perform the compilation and installation.

   ./configure --prefix=/path/to/athena_meta/dependences/python-2.7.18
   make -j && make -install

4. Add the environment variable.

   vi ~/.bashrc

   Add the following content to the file:

   export PATH=/path/to/athena_meta/dependences/python-2.7.18/bin:$PATH

   Press Esc, type :wq!, and press Enter to save the file and exit.

5. Make the modification to take effect.

   source ~/.bashrc

6. View the Python version.

   python -V