install pip2 on Linux code example

Example 1: linux install pip

apt-get install python-pip	#python 2
apt-get install python3-pip	#python 3

Example 2: install pip for python 2.7 linux

#Debian/Unbuntu
apt-get install python-pip	#python 2
apt-get install python3-pip	#python 3

#CentOS/RHEL
yum install epel-release 
yum install python-pip

#Fedora
dnf install python-pip	#Python 2
dnf install python3		#Python 3

#Arch Linux
pacman -S python2-pip	        #Python 2
pacman -S python-pip	        #Python 3

#openSUSE
zypper install python-pip	#Python 2
zypper install python3-pip	#Python 3

#Some usefull commands
pip install packageName 	# Install <packageName>
pip uninstall packageName	# Uninstall <packageName>
pip search packageName		# Search <packageName>