Lean has shown how increasing workflow and reducing waste adds value to the business. DevOps is therefore picking, learning from, and integrating the best methods which come from other disciplines. By doing this, DevOps can help IT departments remove bottlenecks and achieve faster lead times and cycle times. This in turn leads to higher productivity and economic value for the business. There are numerous practices which support The Three Ways. Continuous integration — developers integrating code into a shared repository on a daily basis at a minimum.
Each check-in is validated by an automated build on servers which mirror the production environment. Continuous delivery — making sure software is always in a releasable state throughout the lifecycle. This prioritises keeping the software deployable over adding new features. Continuous testing — executing automated tests as part of the deployment pipeline to obtain immediate feedback on the business risks associated with a software release candidate.
Continuous deployment — enabling every change which passes automation tests to be automatically deployed to production. Can result in multiple deployments per day. Rugged DevOps — including security practices as early in the continuous delivery pipeline as possible to increase cyber security, speed, and quality of releases. ChatOps [10] — a communication approach which allows teams to collaborate and manage many aspects of infrastructure, code and data from a chat room. Kanban [11] — pulling the flow of work through a process at a manageable pace.
Value stream mapping — a lean tool depicting the flow of information, materials and work across functional silos to quantify waste, including time and quality. Improvement Kata — this grew out of the Toyota Production System as a structured way to create a culture of continuous learning and improvement. Theory of constraints — identifying the most important limiting factors which constrains the achievement of goals.
Then, systematically improving that constraint until it is no longer a limiting factor. Most if not all of the DevOps practices just described require tools. A DevOps toolchain is composed of the tools required to support the core DevOps practices. Each element in a toolchain automates tasks in the deployment pipeline. The different tools within the toolchain are connected via APIs [12]. These tools do not need to be from a single vendor. It provides a number of processes that focuses on aligning IT services with the needs of the business [13].
Definitely not. It tries to bring many of the beneficial aspects from development and manufacturing approaches such as agile and Lean to the stability of the IT operations world. The State of DevOps Report discovered that high performing teams deployed 46x more frequently. They also had x faster lead times from commit to deploy. They achieved 96x faster mean times to recover from downtime and they had 5x lower change failure rate.
They were also 2x more likely to achieve objectives such as operating efficiency, customer satisfaction and organisational goals [14]. With such startling evidence showing how DevOps can transform IT, the expectation is more organisations will start adopting DevOps. If the number of organisations adopting DevOps is increasing, it follows that the demand for professionals with DevOps qualifications will accelerate. There is evidence this is already happening with a large increase in DevOps jobs being advertised [16].
Despite the huge recent surge in demand for DevOps Engineers, there is no industry recognised job description or formal career track for a DevOps Engineer. DevOps Engineers jobs often requires people who want to contribute their technical skills to business and process improvement initiatives. DevOps engineers should feel comfortable collaborating with others and wants to be in a workplace that promotes a shared learning culture.
They should be good at self-management. After saying that, the core requirements for any DevOps job are technical skills. A specialist with broad generalist knowledge, and experience in or at least an interest in writing code would fit well. Apart from DevOps Engineer jobs, some of the other jobs which are growing in demand include DevOps evangelists, software engineers and testers, release managers, build engineers, security engineers, quality assurance, operations engineers and IT support.
All these jobs require DevOps knowledge, DevOps certification and training. DevOps is about doing things differently from the ways in which IT operations have traditionally done their work. DevOps has taken some of its inspiration from the best of agile and Lean ideas to enable IT to provide a faster, more responsive, higher quality yet stable set of IT products and services.
This book is ideal for management at every level. This concise book offers 'four steps to control an IT environment' that can be mapped 'to any maturity model'. Some companies think that adopting devops means bringing in specialists or a host of new tools.
Devops stresses iterative efforts to break down information silos, monitor relationships, and repair misunderstandings that arise between and within teams in your organization. By applying the actionable strategies in this book, you can make sustainable changes in your environment regardless of your level within your organization. Explore the foundations of devops and learn the four pillars of effective devops Encourage collaboration to help individuals work together and build durable and long-lasting relationships Create affinity among teams while balancing differing goals or metrics Accelerate cultural direction by selecting tools and workflows that complement your organization Troubleshoot common problems and misunderstandings that can arise throughout the organizational lifecycle Learn from case studies from organizations and individuals to help inform your own devops journey.
This is a companion transcript of the audio series, Beyond The Phoenix Project, intended to be used for reference and to enable further research of cited material, and not as a standalone work.
In the audio series, Gene Kim and John Willis present a nine-part discussion that includes an oral history of the DevOps movement, as well as discussions around pivotal figures and philosophies that DevOps draws upon, from Goldratt to Deming; from Lean to Safety Culture to Learning Organizations. The book is a great way for listeners to take an even deeper dive into topics relevant to DevOps and leading technology organizations. The Phoenix Project wowed over a half-million readers.
In The Unicorn Project, we follow Maxine, a senior lead developer and architect, as she is exiled to the Phoenix Project, to the horror of her friends and colleagues, as punishment for contributing to a payroll outage.
She tries to survive in what feels like a heartless and uncaring bureaucracy and to work within a system where no one can get anything done without endless committees, paperwork, and approvals. One day, she is approached by a ragtag bunch of misfits who say they want to overthrow the existing order, to liberate developers, to bring joy back to technology work, and to enable the business to win in a time of digital disruption.
To her surprise, she finds herself drawn ever further into this movement, eventually becoming one of the leaders of the Rebellion, which puts her in the crosshairs of some familiar and very dangerous enemies. The Age of Software is here, and another mass extinction event looms—this is a story about rebel developers and business leaders working together, racing against time to innovate, survive, and thrive in a time of unprecedented uncertainty Many organizations are facing the uphill battle of modernizing their legacy IT infrastructure.
Most have evolved over the years by taking lessons from traditional or legacy manufacturing: creating a production process that puts the emphasis on the process instead of the people performing the tasks, allowing the organization to treat people like resources to try to achieve high-quality outcomes. But those practices and ideas are failing modern IT, where collaboration and creativeness are required to achieve high-performing, high-quality success.
Mirco Hering, a thought leader in managing IT within legacy organizations, lays out a roadmap to success for IT managers, showing them how to create the right ecosystem, how to empower people to bring their best to work every day, and how to put the right technology in the driver's seat to propel their organization to success. But just having the right methods and tools will not magically transform an organization; the cultural change that is the hardest is also the most impactful.
Using principles from Agile, Lean, and DevOps as well as first-hand examples from the enterprise world, Hering addresses the different challenges that legacy organizations face as they transform into modern IT departments. Harness the power of DevOps to boost your skill set and make your IT organization perform better About This Book Get to know the background of DevOps so you understand the collaboration between different aspects of an IT organization and a software developer Improve your organization's performance to ensure smooth production of software and services Deploy top-quality software and ensure software maintenance and release management with this practical guide Who This Book Is For This book is aimed at developers and system administrators who wish to take on larger responsibilities and understand how the infrastructure that builds today's enterprises works.
This book is also great for operations personnel who would like to better support developers. You do not need to have any previous knowledge of DevOps. What You Will Learn Appreciate the merits of DevOps and continuous delivery and see how DevOps supports the agile process Understand how all the systems fit together to form a larger whole Set up and familiarize yourself with all the tools you need to be efficient with DevOps Design an application that is suitable for continuous deployment systems with Devops in mind Store and manage your code effectively using different options such as Git, Gerrit, and Gitlab Configure a job to build a sample CRUD application Test the code using automated regression testing with Jenkins Selenium Deploy your code using tools such as Puppet, Ansible, Palletops, Chef, and Vagrant Monitor the health of your code with Nagios, Munin, and Graphite Explore the workings of Trac—a tool used for issue tracking In Detail DevOps is a practical field that focuses on delivering business value as efficiently as possible.
DevOps encompasses all the flows from code through testing environments to production environments. It stresses the cooperation between different roles, and how they can work together more closely, as the roots of the word imply—Development and Operations.
After a quick refresher to DevOps and continuous delivery, we quickly move on to looking at how DevOps affects architecture. You'll create a sample enterprise Java application that you'll continue to work with through the remaining chapters. Following this, we explore various code storage and build server options. You will then learn how to perform code testing with a few tools and deploy your test successfully. Next, you will learn how to monitor code for any anomalies and make sure it's running properly.
Finally, you will discover how to handle logs and keep track of the issues that affect processes Style and approach This book is primarily a technical guide to DevOps with practical examples suitable for people who like to learn by implementing concrete working code. It starts out with background information and gradually delves deeper into technical subjects. Success on the web is measured by usage and growth. Web-based companies live or die by the ability to scale their infrastructure to accommodate increasing demand.
This book is a hands-on and practical guide to planning for such growth, with many techniques and considerations to help you plan, deploy, and manage web application infrastructure. The Art of Capacity Planning is written by the manager of data operations for the world-famous photo-sharing site Flickr. John Allspaw combines personal anecdotes from many phases of Flickr's growth with insights from his colleagues in many other industries to give you solid guidelines for measuring your growth, predicting trends, and making cost-effective preparations.
The advice he offers in The Art of Capacity Planning will not only help you prepare for explosive growth, it will save you tons of grief. This book presents the different patterns and tools that you can use to provision and configure an infrastructure in the cloud.
You'll begin by understanding DevOps culture, the application of DevOps in cloud infrastructure, provisioning with Terraform, configuration with Ansible, and image building with Packer. This DevOps handbook will also guide you in containerizing and deploying your applications with Docker and Kubernetes. You'll learn how to reduce deployment downtime with blue-green deployment and the feature flags technique, and study DevOps practices for open source projects. Finally, you'll grasp some best practices for reducing the overall application lead time to ensure faster time to market.
By the end of this book, you'll have built a solid foundation in DevOps, and developed the skills necessary to enhance a traditional software delivery process using modern software delivery tools and techniques What you will learn Become well versed with DevOps culture and its practices Use Terraform and Packer for cloud infrastructure provisioning Implement Ansible for infrastructure configuration Use basic Git commands and understand the Git flow process Build a DevOps pipeline with Jenkins, Azure Pipelines, and GitLab CI Containerize your applications with Docker and Kubernetes Check application quality with SonarQube and Postman Protect DevOps processes and applications using DevSecOps tools Who this book is for If you are a developer or a system administrator interested in understanding continuous integration, continuous delivery, and containerization with DevOps tools and techniques, this book is for you.
DevOps is as much about culture as it is about tools When people talk about DevOps, they often emphasize configuration management systems, source code repositories, and other tools. But, as Mandi Walls explains in this Velocity report, DevOps is really about changing company culture—replacing traditional development and operations silos with collaborative teams of people from both camps.
The DevOps movement has produced some efficient teams turning out better products faster. The tough part is initiating the change. This report outlines strategies for managers looking to go beyond tools to build a DevOps culture among their technical staff. DevOps has, however, drawn part of its inspiration from agile. Another key inspiration for DevOps has been lean 3.
The Devops Handbook available for download and read online in pdf, epub, mobi. Of a DevOps EngineerDevOps is an emerging technology that has fully transformed the software development process, to cater modern need of quick software delivery to end user.
In this chapter, we will look at DevOps from the perspective of choosing it as a career path without getting into deep technicalities, so you can have a. This site is like a library, Use search box in the widget to get ebook that you want. All books are in clear copy here, and all files are secure so don't worry about it. Devops Handbook written by Frank Millstein and has been published by Frank Millstein this book supported file pdf, txt, epub, kindle and other format this book has been release on with Computers categories.
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