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DevOps Tutorial For Beginners: Learn DevOps From Scratch



Introduction

According to IDC, it's predicted that the DevOps market is expected to grow from $2.9 billion to $8 billion by 2022. And according to a DevOps survey, 99% of respondents said DevOps had had a positive impact on their organization. As per a compound annual growth rate of 18.95%, the DevOps market size is estimated to reach USD 12,215.54 million by 2026.

As per the application economy today, businesses have become software businesses, and Business Analysts and DevOps have become one of the most valuable business disciplines for enterprises. A business analyst will work within an organization, helping to manage, change and plan for the future in line with their goals. With the help of DevOps, the quality and speed of application delivery have improved to a great extent.

This DevOps tutorial for beginners will help them understand what DevOps is, the basics of DevOps, where it comes from, how it is different from traditional IT,  what is the need for DevOps, its features, its lifecycle and workflow, and top job roles in demand so that they can become proficient in the fields of continuous development and deployment, automation of configuration management, inter-team collaboration, and IT service agility.

What is DevOps?

DevOps word in itself is a combination of two words one is “Development,” and the other is “Operations.” It is neither an application nor a tool; instead, it is just a culture that collaboratively promotes development and operation. As a result of DevOps implementation, the speed to deliver applications and services has increased.

What is DevOps?

DevOps enables organizations to serve their customers powerfully and better in the market. In other words, we can say that DevOps is the process of alignment of IT and development operations with better and improved communication. Don’t know how to learn DevOps from scratch? We recommend you enroll yourself in DevOps Certification Training Course.

Where did DevOps come from?

There are many stories about the DevOps origins, but it is not created out of the whole cloth. Its seeds were planted many years ago and recently nurtured by expert IT professionals in several disciplines. Two primary ancestors of DevOps are given below:

  1. ESM (Enterprise Systems Management): People involved in the initial phases of DevOps are system administrators. These experts brought the critical ESM practices to DevOps like configuration management, automated provisioning, system monitoring, the toolchain approach, etc.
  2. Agile Development: DevOps can be considered as an outgrowth of agile. It is simply extending the Agile principles beyond the boundaries of the code to the entire delivered services.

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What is the need for DevOps?

DevOps implementation has increased the rate of software delivery and revenue for business stakeholders. The following listed reasons are the most considerable ones that led to the creation of DevOps.

  • Before DevOps, operation and development teams worked in an isolated environment.
  • Testing and Deployment activities were primarily performed, isolated after the design-build step, which took more time than the actual project completion time.
  • Team members usually spend a significant amount of time in deploying, testing, designing, and building the projects
  • Human production errors were deployed during manual code conduction.
  • Operations and coding teams generally had different timelines and did not have proper synchronization, which resulted in further delay.

To avoid the hassles mentioned above and non-collaborative performance measures, there was an urgent need for robust IT technology like DevOps to satisfy business owners and stakeholders.

How is DevOps different from Traditional IT?

Let us compare the waterfall model with DevOps to see what changes DevOps brings to IT. Take a few assumptions for this comparison, like the application has to make live in the next two weeks, and more than 80% of the coding is complete. We assume that the application has been launched recently, and the process of buying servers to ship the code has just begun.

Traditional IT

DevOps

   

Once the order for new servers is placed, the development team starts working on testing. The development team must continue with heavy paperwork as enterprises are required to deploy the infrastructure.

Once the order for new servers is placed, the development team and operations team start the paperwork to set up new servers, resulting in better infrastructure equipment visibility.

Projections about failover, data center locations, redundancy, and storage requirements are not precise as no inputs are available from the development team, even if they have in-depth knowledge of the application.

Projections about failover, data center locations, redundancy, and storage requirements are 100% clear because of accurate inputs given by the development team.

In old software development processes, the operations team has no idea of the development team's progress. The operation team has to prepare a monitoring plan as per their understanding.

In DevOps, the operations team has a complete idea of the development progress. The operations and development teams work together to develop a monitoring plan that caters to the current business, and IT needs.

Before going live, the load testing may crash the application, and the release may get delayed. It affects the overall cost of the project and the project delivery deadline.

Before going live, the load testing makes the application a little slow. The development team quickly fixes bottlenecks and releases the application on time.

7 Signs that Show You Need DevOps

Developers and Operations engineers are two different organizational teams. If these teams are found to be on the wrong track, it signifies that you need to know DevOps practices for perfect results. We have consolidated here seven signs that can help you answer whether you need DevOps or not:

  •  The development team cannot detect software defects at the early age of its development.
  • Agile methods are used to speed up the software development process, but as soon as the application goes to the production department, all methods become ineffective.
  • Testing and development team members cannot access resources timely, so the development process is delayed.
  • You are not able to identify the exact problems of the development, testing, and production department
  • Simple human errors are often creating hurdles during the development and deployment process.
  • Once the app is in production, developers think that their job is over.
  • At the time of the problem, both development and operation teams start blaming each other.

Tip: Are you looking for a prolific career in DevOps? Do you want to add a feather of DevOps Certification to your cap?  Then, before you begin, you must know about 10 DevOps certifications questions.

What are the Features of DevOps Implementation?

The DevOps offer continuous integration and continuous delivery. It makes the product delivery cycle quicker, and enterprises can launch the software on time without compromising its quality.

Following are the factors that will improve as a result of DevOps implementation:

DevOps implementation

  • Predictability: DevOps decreases the failure rate of new product releases.
  • Maintainability: The process improves the overall recovery rate at the time of the release event.
  • Improved Quality: DevOps improves product development quality by incorporating infrastructure issues.
  • Lower Risk: Security aspects are incorporated in DevOps SDLC, and the number of defects gets decreased across the product
  • Cost Efficient: Cost efficiency is improved due to DevOps, which is always an aspiration of every business organization.
  • Stability: DevOps implementation offers a stable and secure operational state.
  • Streamlined Delivery Process: As DevOps provides streamlined software delivery, the marketing effort is reduced up to 50%. It happens due to mobile applications and digital platforms.

“DevOps is truly not just the unicorns of big IT hubs like Amazon, Google, Facebook, etc., but it can be adopted by almost any organization today instead of their sizes.”

DevOps Lifecycle Phases and Measures

DevOps is basically an integration of development and operation processes. One cannot implement DevOps without understanding its lifecycle. The following steps are included in the DevOps lifecycle:

DevOps Lifecycle Phases and Measures

i). Development

This is the first stage of the DevOps lifecycle in which applications' development occurs constantly. The entire development process is broken down into small steps or development cycles. As a result of this, the speed of software development and delivery is increased.

ii). Testing

Selenium-like testing tools are used to speed up the overall testing process by quickly identifying errors and fixing bugs.

iii). Integration

New functionalities are integrated with the prevailing code, and new code tes

iv). Deployment

Continuous deployment is part of the DevOps lifecycle. When it is performed in the right way, then it can affect the overall functioning of a high-traffic website.

v). Monitoring

Inappropriate system behavior is managed by monitoring. Through proper monitoring, the bugs are found and fixed in a hassle-free way.

These are the building blocks for any DevOps application. As per DevOps culture, a group of Engineers is responsible for each stage of DevOps application development, including the developer, system admin, testing, and others.

Here is the list of 7 helpful DevOps tools to easily manage your organizational tasks.

Workflow in DevOps

Workflows shows a visual overview of sequences in which inputs are provided. It tells you about actions and outputs that are generated based on operational processes. It can arrange and search for jobs that users frequently request. It gives you the ability to mirror the ideal processes in configuration jobs.

DevOps Workflow:

  • Parallel job execution
  • Sequential Job execution
  • Brach-level filtering

Want to know why everyone’s becoming that certified DevOps dude and how? Click here. 

How DevOps Improved the Development and Operation Process?

DevOps solves development challenges in the following ways:

  • Code deployment time is reduced because of the faster testing process and speedy feedback mechanism.
  • Developers do not feel work pressure and can build new code in less time.

As far as operation process execution is concerned, the implementation of DevOps improves the operational processes in the following ways:

  • Configuration management helps the organization to execute and organize the configuration plans, and they become able to manage their infrastructure in an effective way.
  • Containers and virtualization concepts provide a simulated environment to increase software reliability and maintain the uptime of the production environment.
  • Effective and improved server monitoring is offered. As a result of this, proper feedback can be provided, and effective administration is assured.

DevOps Certifications

DevOps Certifications are necessary for IT professionals who want to advance their careers in the DevOps domain. Here is the list of the top 5 DevOps certifications that are frequently opted for by learners. With these DevOps certifications, you can boost your resume and gather the relevant skills to help you establish yourself as an expert DevOps engineer.

A). Docker Certified Associate

It is designed for Docker practitioners with little or no experience in docker. This certification aims to provide valid credentials to Docker Practitioners. It is perfect for people having six months of working experience in Docker for DevOps.

This certification consists of 55 multiple-choice questions that candidates should complete within 90 minutes. It costs about $195 to take the test. You can take the test from your home or a MAC computer.

B). Kubernetes Certified Professionals

It is one of the popular DevOps tools, thus highly demanded by industries. It is divided into two major categories: 

  • The Certified Kubernetes Administrator (CKA) and 
  • Certified Kubernetes Application Developer (CKAD) programs.

Certified Kubernetes Administrator (CKA)

  • It tests the skills, knowledge, and proficiency that a Kubernetes administrator should possess.
  • This certification exam consists of a performance-based set of problems that a candidate has to solve within 3 hours.
  • It costs about $300 to take the test.

Certified Kubernetes Application Developer (CKAD)

  • It is built for professionals who know how to design, build, expose and configure native cloud apps for Kubernetes.
  • The exam consists of multiple-choice questions that must be completed within 2 hours.
  • It costs about $300 to take the test.

Are there still many misconceptions regarding who a DevOps Engineer is? Well, click here to clear all your doubts regarding who a DevOps Engineer is and what are a DevOps engineer's roles and responsibilities.

C). AWS Certified DevOps Engineer

It is a profession-level exam recognizing a person's technical skills to provision, manage, and operate distributed applications on the AWS platform. The exam consists of 60 multiple-choice questions that must be completed within 180 minutes. The exam can be in Japanese or English, and you have to pay $300 in total to take the test.

D). Microsoft Azure Certified DevOps Engineer

It is a certification exam that validates the skills of Azure DevOps Engineer professionals. DevOps engineers aspired to get this certification, and it is intended for the best developers to design and implement DevOps best practices using Azure technologies. Azure DevOps training online will help you in clearing this certification exam.

The exam consists of 60 multiple-choice questions that must be completed within 180 minutes. And the candidate has to pay $165 to take this test. Check our blog on Azure DevOps Engineer Salary for more details.

E). Puppet Certified Professionals

It is one of the popular DevOps tools and is highly demanded by industries. The exam consists of 60 multiple-choice questions that must be completed within 90 minutes. And the candidate has to pay $200 to take this test.

To give this exam, the candidate should have a sound knowledge of the Puppet tool and a few months of working experience too. You can prepare for this exam online by taking free DevOps Certification Training Online. Enroll for the free demo class at JanBask Training now.

Top 7 DevOps Job Roles High in Demand

Let us discuss different job roles and skills demanded by each role and how DevOps professionals fit into the grand scheme of things. Here, we shall also discuss various career opportunities associated with each DevOps role.

DevOps Jobs Roles

Skills and Technologies

Release Manager

Planning and software lifecycle management

DevOps Lead

Jenkins, Git, Nagios, Zabbix, bit bucket, SVN, Chef, Puppet, Ansible

DevOps Automation Expert

Git, SVN, bitbucket, Jenkins

DevOps Testing Professional

Unit testing, build testing, Selenium, MySQL

DevOps Architect

C, C++, Java, Ruby

DevOps Engineer

Linux, AWS, Azure

Security Professional

IDS, Risk analysis, Penetration testing

Here is a quick salary structure earned by DevOps professionals for different roles:

DevOps Engineer

$164,800

DevOps Architect

$158,000

DevOps Release Manager

$94,225

DevOps Testers

$91,207

DevOps Security specialists

$140,000

DevOps Automation Experts

$153,000

DevOps Lead

$190,000

1). DevOps Release Manager

He is an industry-recognized certified professional and plays a vital role in the DevOps ecosystem. Some of the valuable certifications associated with the role can be given as

  • AWS DevOps certification,
  • PMP agile certified practitioner, etc.

He is an experienced professional with 3-4 years of experience in the IT domain. He has a strong knowledge of end-to-end software development and deployment lifecycle. He is a good communicator and generally interacts with IT professionals and management professionals involved in a project. A release manager has to work on multiple projects and deadlines together.

2). DevOps Lead

To excel in this job profile, a person should have the right set of skills and certifications. Below are some certifications that can fulfill your dream of becoming a successful DevOps Lead.

  • Microsoft Azure Certification,
  • AWS certification by Amazon, etc.

He sits at the top of the DevOps cycle and executes all DevOps processes responsibly. He has extensive knowledge of different automation tools that can be used by other team members too.

He is an experienced person with more than three years of experience and knows how to implement DevOps. He can identify the right set of tools and techniques for your project. He ensures high availability of production and non-production environment.

3). DevOps Automation Expert

A proper set of skills and certifications can help you become a successful DevOps Automation Expert. Some sought-after skills for this profile are given below:

  • AWS certification by Amazon,
  • Azure certification by Microsoft, etc.

He is the person responsible for creating automated pipelines for production and non-production environments. He has 2-3 years of experience in IT, and he has usually worked with UNIX/LINUX machines. He deeply understands how to automate tasks using shell scripting, Python, PERL, etc., which are considered highly significant for CI/CD pipelines.

Are you preparing for DevOps interview? Here is the list of the Top 150 DevOps Interview Questions and Answers For Freshers & Experienced, which will help you ace your interview.

4). DevOps Testing Professional

If you want to become a DevOps testing professional, then you should have a testing background to excel in this domain. Some of the remarkable certifications for DevOps testing professionals are given as

  • Selenium Certification,
  • Test architect Masters Certification,
  • ETL Testing certification, etc.

He is the person responsible for writing automated test cases for applications in development. He has a minimum of 2-3 years of experience in the testing domain. Sound knowledge of Selenium, Java, Python, and different testing types can help grow in this job profile.

5). DevOps Software Engineers

To become a DevOps software engineer, you should have the proper certification to fulfill your dream. Some of the top certifications a DevOps engineer needs can be given as

  • Java Training and Certification
  • Python Certification Training
  • DevOps Training & Certification, etc.

He is a person familiar with DevOps tools and techniques with 2-3 years of experience in software development. He has worked with different software versioning tools, Git, SVN, etc. He is familiar with different phases of the software development life cycle too. He should have a strong knowledge of data structures, algorithms, C, Ruby, Java, Python, etc.

6). DevOps Architects

It is one of the most common job profiles for DevOps experts, and you should have the following set of certifications to accelerate in this job profile.

  • RHCE Certification,
  • Java Certification,
  • DevOps Certification,
  • AWS associate Certification, etc.

Read our blog post about the DevOps career path and the roadmap, scope of DevOps, and the future of DevOps engineers, for more insights.

He is a person with deep knowledge of maintaining and monitoring IT infrastructure. He knows how to create a fault-tolerant system for production or non-production environments. IT industries are embracing at a fast pace. Hence, the DevOps engineer should have the knowledge of MySQL database, AWS, Azure, Java, Linux/Unix machines, Python, PERL, etc.

7). DevOps Security Professionals

For this profile, here are some sought-after certifications highly demanded by industries. They can be given as

  • DevOps training and certification
  • Linux/Unix certifications
  • AWS or Cloud Certification.

He is a person with 2-3 years of experience in IT infrastructure security. He is responsible for providing security for infrastructures. They are able to identify security loopholes in infrastructure and create a plan to counter security threats. He has a strong knowledge of network security systems, firewalls, IDS, cloud systems, etc.

Future Career Scope of DevOps

A lot of changes may occur in the DevOps process shortly, and some of them are like organizations are shifting their needs from years to weeks and months, and for IT professionals, it has become one of the most in-demand skills.

Highlights:

  • The average salary for a DevOps Engineer in the US is $126,790. 
  • The average additional cash compensation for a DevOps Engineer in the US is $15,319
  • The average total compensation for a DevOps Engineer in the US is $142,109.
  • DevOps is ranked second on Glassdoor’s 50 best jobs in American rankings.
  • 11821 DevOps Engineer jobs available in the US on Indeed.com, making it quite clear how lucrative career options for DevOps are today and shortly. 

Conclusion

Through this extensive DevOps tutorial for beginners, you must have acquired a detailed understanding of the basics of DevOps, its life cycle, various DevOps tools, and most importantly, the top DevOps Certifications and in-demand DevOps job roles. 

Until here, we’ve covered quite a bit of the basic functionalities of DevOps; despite that, there’s still much more to know. Worried about how to learn DevOps from scratch? enroll in the  best DevOps Course Online at JanBask Training now, where you will get hands-on experience on various case-based scenarios, including exhaustive topic-wise assignments, hands-on sessions, and various industrial-based projects, which will help you to get placed in top-notch organizations.

Through this course, you’ll understand DevOps concepts and its important tools and frameworks to become a successful and result-driven DevOps team member at your workplace. Do let us know in the comment section below whether this DevOps tutorial for beginners was helpful to you.

FAQs

1. What is DevOps?

Ans:- It's a software development practice that supports the collaboration between development and operations, leading to faster and more reliable software delivery. It is normally referred to as a culture that connects people, processes, and technology in order to deliver continuous value.

2. Why should I learn DevOps?

Ans:- After learning DevOps, you can speed up the process of delivering applications and software services. Furthermore, you can understand how to minimize risk factors by engaging early feedback from end-users and stakeholders.

3. Is DevOps easy to learn?

Ans:- It depends on people to people. Normally, DevOps isn’t easy to learn because the DevOps engineer’s role needs a lot of skills and can only be developed or refined after years of experience. Hence, to become a successful DevOps engineer, you will have to have a good amount of practical experience.

4. Who should learn DevOps?

Ans:- DevOps needs constant planning, coding, authoring, integration, and testing. All these phases are highly focused on developers. Hence, in order to learn DevOps, you should be an IT Professional working as a Software Tester, System Administrator, Solutions Architect, Security Engineer, Application Developer, or Integration Specialist.

5. What does your best DevOps Course Online teach us?

Ans:- You’ll learn about

  • DevOps and Linux Admin
  • GIT and Maven
  • Jenkins and Docker
  • Ansible
  • Kubernetes
  • Nagios and AWS

6. What does a DevOps Professional do?

Ans:- A DevOps engineer works with IT developers to smooth out better coordination between development, operations, and test functions by streamlining the integration and deployment processes. 

7. Is DevOps still in demand?

Ans:- Certainly. As per Gartner, the DevOps sector is expected to rise six-fold by 2022. Forbes anticipates that DevOps and cloud computing positions will be among the highest paying jobs in the coming years.

8. Is DevOps a promising career?

Ans:-  DevOps is a great career choice for you if you wish to explore and use various technologies and processes since DevOps professionals make it easy for programmers and organizations to automate their work.

9. What makes DevOps different from other software development practices?

Ans:- DevOps helps bridge the gap between development and operations by creating prominent efficiencies across the development and deployment of software. It strongly emphasizes automation, helping in minimizing the overall number of errors.

10. What are the prerequisites for joining this best DevOps Course Online?

Ans:-  There are no prerequisites for joining our Online DevOps Training Course. And, also there’s no need to have a basic to any technical experience or background to take our DevOps training course.

Any learner or professional with or without any technical experience or background can learn DevOps easily. Since we cover everything around DevOps, from basics to advanced, you won't have any problem striking a chord with our DevOps training course.

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