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Critical Phases Of DevOps Lifecycle
DevOps is a buzzword that combines the words "development" and "operations." It comprises completing numerous application development tasks in a specified order. DevOps is a word that encompasses both software development and IT operations. To build, test, consume, and develop software products, the DevOps approach uses continuous innovation, agility, and scalability. It encourages experimentation, feedback, and continuous learning in order to improve products, services, and processes.
Each component of the DevOps lifecycle is broken down and studied in detail in the following sections-
Continuous Development
Continuous Integration
Continuous Testing
Continuous Feedback
Continuous Monitoring
Continuous Deployment
Continuous Operations
Lean more with DevOps Certification
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What Programming Languages are Used by a DevOps Engineer?
One of the most crucial skills well-equipped by a DevOps engineer is the clear understanding(Knowledge) of different programming languages. Programming languages are the key to Software Development. Nothing can be initiated without these.
To keep up with the upcoming and fast-paced trends in the IT industry, all roles(professionals) must upgrade their knowledge from time to time, same goes for DevOps Engineers.
Some programming languages form the foundation of development and some are new and add-on and enhance the cycles.
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What is Terraform in DevOps?
Terraform is a platform-agnostic tool that allows you to build, change, and version infrastructure securely and efficiently. Terraform is an open-source tool and a Hashicorp-developed multi-cloud, infrastructure-as-code solution that uses the declarative Hashicorp Configuration Language. It aids in the management of established, well-known service providers such as GCP and AWS and specialized in-house solutions.
Terraform can manage both mainstream cloud service providers and unique in-house solutions. In addition, it collaborates with “providers” to manage external resources (public cloud infrastructure, private cloud infrastructure, software as a service, network appliances, and platform).
Terraform – An Infrastructure as Code Tool or IAC Tool
Since its release, terraform has grown in popularity as the first multi-cloud “Infrastructure as Code” technology. Another reason for its widespread use is the straightforward syntax for ensuring modularity. Terraform, classified as an IAC tool, works by treating and managing infrastructure code in the same way that software code is treated and managed.
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Terraform is a platform-agnostic tool that allows you to build, change, and version infrastructure securely and efficiently. Terraform is an open-source tool and a Hashicorp-developed multi-cloud, infrastructure-as-code solution that uses the declarative Hashicorp Configuration Language. It aids in the management of established, well-known service providers such as GCP and AWS and specialized in-house solutions.
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Why Does DevOps Recommend Shift-Left Testing Principles?
Devops Certification
Software Development Life Cycle is developing software and keeping it from start to deprecation. There are various techniques associated with it, and in all of these testing, one of the phases comes later in the SDLC, before deployment. Now, this is the standard method of developing software, which results in improved time, expenses, and effort in re-designing the software to be error-free.
DevOps is the most recent way for integrating the operations and development teams for boosted collaboration and efficiency, enabling solutions to reach the market faster.
Agile approaches, which are almost generally used, demand that testing be done quickly and earlier in the software development lifecycle (SDLC)—shifting left guides to bringing development and testing together early in the development cycle.
DevOps recommend the Shift-Left testing approach, and why is obviously because it brings in many extra benefits with it. For example, shift-Left testing entails bringing the testing phase earlier in the SDLC, instead of waiting until deployment to test the software and glimpse errors, saving time, effort, and expense in the SDLC, and finally aiding in bringing error-free solutions to market faster and more effectively.
Shift Left Testing
By accomplishing testing earlier in the development cycle, developers can detect problems early and correct them before reaching the production environment. Developers do not waste time involving workarounds to incorrect implementations since issues are found early, and operations teams are not charged with keeping a complex program in production. Developers can find the root cause of errors and modify the application design or underlying components to improve application quality.
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What is Container Orchestration in DevOps?
https://www.devopsuniversity.org/what-is-container-orchestration-in-devops/Container orchestration automates much of the operating effort needed to run containerized workloads and services. It is a method of handling and organizing multiple containers and microservices architecture at scale. Container orchestration solves the problem by automating container scheduling, deployment, scalability, load balancing, availability, and networking.
https://www.devopsuniversity.org/what-is-container-orchestration-in-devops/
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What is Azure DevOps?
DevOps is an abbreviated acronym of Development and Operations. In core, it brings together your software development team and operations team to function towards a shared goal and have a unified vision. Their joint emphasis is always the product or the application which is being designed, rather than individual performances or targets.
Azure DevOps is a software service platform from Microsoft that delivers an end-to-end DevOps tool chain for designing and deploying software.
DevOps Certification
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What Is The Goal Of A DevOps Methodology?
DevOps is a system of tools, practices and cultural philosophies that automate and incorporate software development and IT teams. It highlights team empowerment, cross-team communication and collaboration, and technology automation.
The fast-paced development of the IT industry and constant technological improvements make it necessary to set DevOps goals that are practical and tough for companies to compete and prosper in the market.
DevOps Methodology
DevOps methodology is a development method where Development and IT Operations unite throughout the lifecycle to boost the faster deployment of dedicated software products.
A sound methodology moves code smoothly through each lifecycle stage without data getting trapped in silos. It should break down what’s required of the people involved in each step and what is needed to pass to the next stage.
Setting up a suitable DevOps methodology is a real investment.
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DevOps Interview Questions
Q.1 What do you know about DevOps?
A.1. DevOps is a collaborative work culture, aimed to synergize the efforts of the development and operations teams to accelerate the delivery of software products, with highest quality and minimal errors.
DevOps is about automation of the entire SDLC with the help of automation tools to achieve continuous development, continuous testing, continuous integration, continuous deployment and continuous monitoring.
DevOps is ‘re-org’ of the existing resources where continuous improvement is seeked through learning from constant feedback.
DevOps fulfils all the requirements for fast and reliable development and deployment of a software. Companies like Amazon and Google have adopted DevOps and are launching thousands of code deployments per day.
Q.2. Why has DevOps become so popular over the recent years?
A.2. Let us understand the impact of DevOps through some examples:
Netflix and Facebook are investing in DevOps to automate and accelerate application deployment and this has helped them grow their business tremendously. Facebook’s continuous deployment and code ownership models have helped them scale up and ensure high quality experience at the same time. Hundreds of lines of code are implemented without affecting the quality, stability, and security of the product.
Netflix is a streaming and on-demand video company which also follows similar practices and has fully automated processes and systems.
Facebook today, has 2 billion users while Netflix streams online content to more than 100 millions users worldwide. This is how DevOps has helped organizations ensure higher success rates for releases, reduce the lead time between bug fixes, streamline and continuously deliver through automation, and reduce their manpower costs.
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How to become a DevOps Engineer?
A DevOps Engineer has thorough knowledge about various processes in the Software Development Life cycle (SDLC) and has clear understanding of various automation tools and delivery pipelines (CI/CD). This role is an essential component in bridging the gap between Development and Operations.
DevOps isn’t about theoretical concepts, it’s about the skills which combines and complements all concepts, tools and different methodologies to get the maximum benefit, faster delivery and reduced risks and pitfalls. DevOps is a cultural environment in software development.
Hence, this role cannot be limited to theoretical knowledge; a DevOps Engineer must be equipped with hand-on experience and practical know-how along with the right combination of skills.
To become a DevOps Engineer, you must have at least (but not limited to) these skills
Linux fundamentals and scripting knowledge
Practical knowledge about different development, deployment and testing tools such as Git, Jenkins, Maven, Docker, Nagios etc.
Experience with delivery pipelines – CI/CD
Understanding about cloud platforms (AWS, Azure etc.)
Code development
Application Monitoring
If you are interested in DevOps which is in high demand today and will continue to be, you must be ready to dive into various aspects of knowledge required for this role. DevOps Engineers are bringing vital change by optimizing the cycle and your passion and curiosity to learn in this area can reap great rewards.
If you are new to all this, we recommend to start at the basics, click here to know more
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https://www.devopsuniversity.org/docker-use-case-for-implementation-example/
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Certified DevOps Professional Course by Devops University is one of the most in-demand courses today. DevOps promotes collaboration and enhances productivity by infrastructure automation and continuous monitoring of applications’ performance.
In Certified DevOps Professional Course by Devops University, you will be trained to become an expert in the principles of Continuous Integration, Continuous Deployment, Continuous Monitoring, Continuous Delivery using tools like Puppet, Nagios, Chef, Ansible, Docker, Git, Jenkins and many more.
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DevOps Professional Certification by DevOps University is one of the most in-demand certifications today. With enhanced skills, certified individuals will be able to contribute in multiple dimensions, apart from their individual tasks as they will have visibility and understanding of the whole DevOps process.
Certified DevOps Professionals possess knowledge and insight of DevOps principles and are capable of building software using DevOps in real-world situations. The certification’s importance and worth is closely tied to the amount of knowledge and efforts needed to attain it.
We, at DevOps university, try hard to ensure that the certifications we offer, remain pertinent and beneficial to the purpose, through frequent scrutiny and modification of content.
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Certified DevOps Professional Course by Devops University is one of the most in-demand courses today. DevOps promotes collaboration and enhances productivity by infrastructure automation and continuous monitoring of applications’ performance.
In Certified DevOps Professional Course by Devops University, you will be trained to become an expert in the principles of Continuous Integration, Continuous Deployment, Continuous Monitoring, Continuous Delivery using tools like Puppet, Nagios, Chef, Ansible, Docker, Git, Jenkins and many more.
44% Discount on Training Cost : $575 $249
Training fee will be revised after 31st Dec 2021
Enroll Now
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DevOps Executives are the key players who manage the scoping and penetration of DevOps into their organizations by identifying, selecting and prioritizing the vital elements for DevOps success. This certification helps you gain proficiency on how to align teams with business procedures.
The responsibility to implement and utilize the DevOps capability within an organization lies with the DevOps Executives. They prepare and guide DevOps team members for the cultural shift and enable them to align their work and planning according to DevOps practices. The DevOps Executive certificate will provide knowledge on how to persuade teams to perform effectively and foster a constructive work environment.
DevOps Executives ensure all DevOps Professionals are trained appropriately and are given roles and responsibilities according to their skill and experience levels. Executives toil hard to empower their team members by mentoring them and supporting them in resource planning etc. They remove all issues and obstacles to make the DevOps a success.
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