A Beginner’s guide on cloud computing

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So you heard of Google Cloud, AWS, or Microsoft Azure, and you want to know more about their services. You should know the maximum file size for email attachments is 25 MB. Do you want to transfer files that are 25MB or more? 

Dropbox or Google Cloud is your best bet. One of the perks of cloud computing is that it eliminates the need for a system for file transfer. 

What is cloud computing? Before going to the details, one should know the reasons for using it. Why should you use cloud computing? Read on to learn what it is all about. 

Cloud computing gives you access to a stack of technologies that allow you to be innovative anytime. Cloud computing makes a firm more agile, scales up services, and reduces expenses. 


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You can deploy it in a matter of seconds. Is not it dynamic?

Cloud is a term that pertains to infrastructure, IT services, apps, and software. It uses a network connection while processing data with internet technology. It is safe to define cloud computing as an on-demand IT resource provision like compute, storage and databases. Instead of acquiring and maintaining separate servers and data centers, you can access a whole suite of technology from service partners like AWS. 

Firms of all sizes and natures can benefit from the cloud. Use cases of cloud technology include virtual desktops, emails, testing, and software development. 

What are the perks of using cloud technology?

  • Improved mobility and productivity 
  • Scalability and flexibility
  • Security
  • Collaboration and sustainability
  • Cost-effective

Future of cloud technology 

The growth and development of cloud technology are on the surge. It finds application in places like arts, education, entertainment, social networking, and education. It likewise gets used in Trello, Creative cloud, Evernote, Slack, G Suite, and LinkedIn. Healthcare firms use cloud technology to give personalized services to their patients. Game developers are developing new apps for gamers through cloud gaming. 


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Serverless paradigm, IOT, automation, and quantum computing are trends of cloud computing in 2021. With the wide-scale application of the latest technology, cloud computing will change the process in which we work. 

Types of Cloud computing models 

SAAS Cloud model 

Saas cloud applications get hosted on the server’s site. Saas cloud applications work on a pay-per-use model and get used by client browsers and end-users. Examples of Saas apps include Skype, Netflix, Microsoft 365, and Google Apps.

PAAS Cloud model 

Paas vendors offer development tools. It can be anything needed for developing software and OS over the web. Paas apps get used by website and app developers. Examples of Paas apps include Heroku, Apache Stratos, Elastic Beanstalk, and Azure. 

IAAS Cloud model 

Instant computing platforms that get allocated and managed online are the Iaas. It gets used by network supervisors and architects. Iaas is a part of raw computing hardware like storage and servers. Examples of Iaas apps include Elastic Compute CloudAmazon Web Services, Metapod, and Compute Engine (Google). 

BPAAS Cloud model 

Bpaas grants business outsourcing and furnishes firms with technology and processes using the pay-per-service framework. Though it has a general use, you can customize it as needed. Examples of Bpaas systems include Google pay for Uber and Ola. 

 Amazon Web Services: Beginners guide on AWS 

AWS is a global industry leader in Paas and Iaas that offers a range of cloud-based remote services. AWS offers data storage facilities, content delivery, computation power, and networking to help upscale your productivity. It allows you to select your solutions and pay for services that you consume only. It is cost-effective and adds more value to you without compromising on user experience and performance of apps. 


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Millions of medium and large-scale firms are leveraging AWS to give solutions that help them expand their productivity and flexibility. 

AWS offers a range of cloud services for analytics, blockchain, and AI.

 It assists firms and individuals with the sustainable growth and development of an application. 

Here are the building blocks of the AWS cloud environment. 

EC2 

EC2 or elastic cloud compute is the virtual server that helps one run multiple app instances on the AWS cloud system. It permits subscribers to run programs in a computing platform that serves an infinite set of virtual machines. 

With AWS, you get to configure memory, CPU, networking, and storage. Each resource type is available in adequate quantity so that it caters to workload as needed. Take Amazon machine images as an example. The machine images act as a template to configure an OS. It helps determine the OS of the user. Users have the liberty to customize their AMIs. 

Only when you select your OS and instance can you get it deployed in your system. There are three ways by which you can create an EC2 model. 


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  • Compute Optimized: It is ideal for instances that need high rates of request. The (compute) EC2 instance works best with leading processors. 
  • Memory-Optimized: Instance of EC2 that offers highly efficient memory consumption. 
  • Storage Optimized: Instance of EC2 that can access SSD storage to cater to data retrieval requests. 

Lightsail

It is a cloud hosting platform that is more direct than other AWS services. Lightsail permits you to put in place a server in seconds. It connects your system with Magento, WordPress, Joomla, and other web apps. AWS Lightsail saves you from wasting time in setting up systems. 

Regardless of the size of your site, you can use Lightsail to host a website on the AWS platform. It has data centers located across different places of the country, which means Lightsail gives seamless and uninterrupted internet connections at all times. 

The pricing of Lightsail is a bit too reasonable. A system with 1 CPU core, 12MB RAM, 1TB data transfer, and 20GB of memory storage costs you 3.5 dollars monthly. If it is too short for you, there are other plans to go for. 


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A system with 80GB storage, 4GB RAM, 2 CPU core, and 4 TB of data transfer costs you 20 dollars monthly. Besides, it offers attractive features and an extensive network that makes it worthwhile to consider. 

What are the programming languages used in AWS? 

Amazon Web Services or AWS support basic languages like Python, Java, PHP, and Node.js. All the programming languages in AWS are useful in some way or the other. The programming languages have different characteristics, ecosystems, and communities to consider. Keep reading to learn more about the programming languages used in AWS. 

 The object-oriented programming language Java has fewer dependencies. 

 It is one of the programming languages that come to the mind of programmers for problem-solving. 

Java is one of the commonly used programming languages that find applications in critical business activities.

 It supports a wide range of frameworks and libraries. Java is one of the oldest languages and finds applications in AWS. It works with a range of frameworks and libraries. It helps create a reliable and supportive programming environment. 

Python is one of the open-source programming languages that find applications in the AWS platform. Python is one of the fastest programming languages and it’s a hundred times faster than C# and Java. Python comprises a supportive community and it’s highly readable. 

AWS Cloudwatch 

It is a real-time monitoring tool that monitors AWS applications and resources. Based on the monitoring, it furnishes a report to analyse the system. It finds applications in monitoring Amazon RDS, Amazon EC2, Amazon S3, and Load Balancer. 


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It helps you check logs and delivers metric data in one minute. It takes five minutes to process basic info. 

It stores data in its dashboard in the form of files and logs. 

A guide to Azure 

Cloud computing platforms offered vary from one firm to another. Azure is one of them provided by the software industry giant Microsoft. It is a data center used to deploy and manage services and applications delivered across a global network. Azure offers two cloud-based solutions -Paas and Iaas. 

Azure as Paas 

As the term indicates, Paas is a platform provided to users to develop and deploy software apps. It allows the developer to focus on designing apps without bothering about the infrastructure and hardware involved in the process. It likewise looks after servers, networking issues, and operating systems. 

  • The overall cost is low as the resources get allocated on demand, servers get automatically updated by the system. 
  • It is less likely to get attacked by malware and viruses, as the servers get automatically updated and inspected. The entire process remains encapsulated and invisible to developers. Hence, the system doesn’t possess the risk of data theft.
  • The azure team tests the newly developed tools and allows the users to move on with the same. It helps developers to meet changing demands of customers by adapting the new versions. 

Disadvantages 

The Paas platform of Azure is not free of technical bugs. Microsoft Azure may have a different environment, apps should get adapted accordingly. 

           Azure as Iaas 

 It is a dedicated compute service that gives complete control of the OS and platform stack to the app developers. It allows users to monitor, access, and manage the data centers themselves. 

Advantages of using Azure as Iaas 

  • Azure Iaas is ideal for an app that demands complete control. It allows the virtual machine to adapt to the requirements of a trade house or firm. 
  • It allows the app to get migrated to the Azure platform with no added work. All the app dependencies like the database get migrated to the Azure platform. 
  • Quick transition to Azure means it helps vendors to offer instant services to clients. Vendors can grow their business by selling existing services and products in new markets.

 Disadvantages 

It has security risks from unpatched servers. Unlike the Paas platform, there is no system for patching automatic servers in Iaas. An unpatched server with a sensitive piece of info can affect the growth and sustainability of the firm. 

Paas Vs. Iaas -which one should you choose?

One needs to know the cons and pros of services to choose one that meets his requirements. It won’t be wrong to say that Paas has an economic advantage over Iaas for running commodity apps. Iaas offers complete control of the platform stack and OS. 

How to create a profile on Microsoft Azure

Launched in 2012, Microsoft Azure is an UI that manages infrastructure and services. You can go to manage.windowsazure.com and create your free profile on Azure. 

Create an account using your existing Gmail, Yahoo or Hotmail id. 

Once you log in, you’ll get directed to the next screen. You will find a list of applications and services on the left-hand side of the panel. 

                          When you click on a category, you’ll find all details related to the option. You can find a number of virtual machines, applications, mobile services and more by pressing the menu button.

Compute module of Microsoft Azure 

Once you learn how to create an Azure account, we will give a step-by-step guideline and explain functionalities of each module. 

  1. Log in your Microsoft Azure account. 
  2. Click New on the left corner and drag curser to the compute module. 
  3. You’ll find a list of module under the Azure compute module. 
  • Tap on the web app
  • Enter the URL and choose the service plan from the dropdown list. 
  • As you go back to the main screen, you’ll find the website that got created a moment back. By clicking on the website URL you’ll go back to the website. Here is how a website looks when you tap on the URL. 

Similarly, you can choose the “From Gallery” option when creating a web app rather than using a Quick create option. It allows you to choose the development framework to create the app. 

Programming languages used by Azure 

Windows Azure supports languages like .NET, Python, PHP, Ruby and Node.js. You can publish a code to Azure server in several ways. Use FTP, FTPs, or Microsoft Web Technology to publish a code on  Azure server. Use Codeplex, Dropbox and GitHub tools for the same. It provides an UI to keep track of drafted and unpublished changes.



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