How to install rasa in ubuntu 18.04 LTS

Rasa.sh

#! /bin/sh

# Check if your Python environment is already configured:
$ python3 --version
$ pip3 --version

# If not installed then run the command for installing them 
$ sudo apt update
$ sudo apt install python3-dev python3-pip

# Create a virtual environment 
$ python3 -m venv ./venv
$ source ./venv/bin/activate

#  Install Rasa Open Source
$ pip install -U pip
$ pip install rasa

# To run rasa shell run the command
rasa shell

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