title: How to install python packages like pip, numpy on Amazon EC2 - ubuntu
body: <p>Need to install python packages like pip, numpy, cv2 on an Amazon EC2 instance of Ubuntu.  I tried using sudo apt-get install python-pip but got below given error:</p>
  <p>ubuntu@ip-172-31-35-131:~$ sudo apt-get install python-pip
  Reading package lists... Done
  Building dependency tree<br />
  Reading state information... Done
  E: Unable to locate package python-pip</p>