The AWS command-line interface (CLI) tool is an important piece of the AWS administrator's toolkit. The CLI tool is open source software, and is maintained on GitHub (https://github.com/aws/aws-cli). For more detailed documentation, refer to the AWS CLI home page at https://aws.amazon.com/cli. Installation Step 1 : The CLI tool requires Python...

Regions and availability zones At the time of writing, there are 24 regions around the world. A region is further subdivided into availability zones (AZ), of which there are currently 77. See https://aws.amazon.com/about-aws/global-infrastructure/ for the most up to date list of regions and availability zones. Global resources It's important to...

Follow these steps to create an AWS account: Step 1 : Create an account at https://aws.amazon.com/ by clicking on the Create an AWS Account button and entering your details: Step 2 : Before we get started using that shiny new account, let's go over some best practices regarding basic account...

A block is a group of statements that are meant to be executed together. In Python, statements are grouped using whitespace, that is, blocks are indented within other blocks instead of using curly braces. if True: # execute this block of statements print("Block 1") else: # execute other block of...

Comments are an integral part of programming. There are three different ways to write Python comments, documentation strings (docstrings for short), inline comments, and block comments. Block Comments Step 1 : Block and inline comments start with a pound sign, #. A block comment comes in the line before the...

User Input from the Keyboard Python has a very handy function for obtaining user keyboard input from the CLI called input(). When called, this function allows the user to type input into your program using their keyboard. Step 1 : Declare the following variable: message = input() The program execution...

We will install Django and all the components that are needed for Nginx and Django to be able to communicate. Install the Packages Step 1 : Install the Packages from the Ubuntu repositories sudo apt-get update sudo apt-get install python3-pip python3-dev libpq-dev postgresql postgresql-contrib nginx Setting up Django Step 2...

With Django, storage in a database, generation of the hash code, and exchanges with the client will be transparent. Sessions are stored in the context represented by the request variable. To save a value in a session variable, we must use the following syntax: request.session['session_var_name'] = "Value" Once the session...

Django forms work with an object that inherits from the Form class. This object will handle much of the work we have done manually in the previous post. Step 1 : Add the following URL to your urls.py file: path('create-profile-forms', views.create_profile_forms, name="create_profile_forms"), Step 2 : We will create our view...

In this post, we will show you how to add a profile without using Django forms. This example will show the time that can be saved by using Django. Step 1 : Add the following URL to your urls.py file: path('create-profile', views.create_profile, name="create_profile"), Step 2 : We will create a...