Linux instalar pip
apt-get install python-pip #python 2
apt-get install python3-pip #python 3
Friendly Hawk
apt-get install python-pip #python 2
apt-get install python3-pip #python 3
python -m pip install --upgrade pip
sudo apt install python3-pip
python -m pip install -U pip
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
#Once you do that, enter line 3 inside
python get-pip.py
python -m pip install --upgrade pip ## work like a charm