Install PIP on linux environment(centOS)

Prerequisite: Python must be installed.

Download pip installer:
wget https://bootstrap.pypa.io/get-pip.py

If some certificate issue comes then use:
wget https://bootstrap.pypa.io/get-pip.py --no-check-certificate

Go to download dir and run command:
python get-pip.py

This will give some warning – ignore that.

More about that can be found at:
https://pip.pypa.io/en/stable/installing/