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DevOps training in chandigarh

Historically, making software was slow and painful. Developers would spend months writing code, then "throw it over the wall" to operations to deploy. Ops would find bugs, kick it back, leading to blame and frustration. Changes were hard because of a very rigid process.

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DevOps training in chandigarh

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  1. History and Evolution of DevOps

  2. The Pre-DevOps Era Traditional development often followed the waterfall model. Linear processes: Requirements gathering, design, development, testing, deployment. Teams worked in silos, with little cross-functional interaction. Handoffs between phases caused frequent delays and bottlenecks. Slow development cycles and long time-to-market. Changes late in the process were costly and difficult to manage. This model often led to friction between Development and Operations. Historically, making software was slow and painful. Developers would spend months writing code, then "throw it over the wall" to operations to deploy. Ops would find bugs, kick it back, leading to blame and frustration. Changes were hard because of a very rigid process.

  3. The Pain Points of Siloed Development Conflicting goals: Devs focused on new features, Ops focused on stability. Lack of communication and shared understanding of objectives. "It works on my machine": Devs in controlled environments vs. Ops in complex production systems. Lengthy feedback loops slowed down the release process. Finger-pointing and blame culture hindered problem resolution. Inefficiencies ultimately delayed value delivery to customers. This separation was a recipe for trouble. Devs were rewarded for change, Ops for keeping things running. Their worlds clashed when new code caused problems in production. It meant customers got new features slowly and unreliably.

  4. The Rise of Agile Development Agile emerged as a response to the rigid waterfall model. Focus on iterative development: Short cycles, frequent releases, customer feedback. Emphasis on collaboration, self-organizing teams, and adaptability. Improved development speed and responsiveness to change. Agile helped, but didn't solve the underlying Dev vs. Ops tension. Agile made things better! Developers worked in short sprints, got feedback, and could change course based on customer needs. However, it only partially addressed the problem. Agile dev teams could pump out new code fast, but Ops still struggled to keep up.

  5. The Birth of DevOps Term 'DevOps' coined in 2009 by Patrick Debois. Frustration with the divide inspired the first DevOpsDays conferences. Emphasized breaking down silos and fostering collaboration Goal: Smooth, continuous flow of software from development to operations. DevOps not a prescriptive methodology, but a set of principles and practices. One person, Patrick Debois, frustrated with the state of things, started the movement. He organized conferences focused on getting Dev and Ops people in the same room just to talk. Emphasize that DevOps is about philosophy and culture change as much as about tooling.

  6. Key Principles of DevOps

  7. CAMS: A Foundation of DevOps CAMS Framework: Helps understand core DevOps principles Culture: Collaboration, trust, shared responsibility Automation: CI/CD pipelines, infrastructure as code (IaC). Measurement: KPIs, feedback loops, data-driven decisions Sharing: Knowledge, practices, tools, visibility across teams CAMS is a way to remember the key areas DevOps tackles. Culture is first, because even the best tools won't fix a toxic work environment. Automation is a huge part of DevOps efficiency. Measurement tells us what's working, what's not, and where to improve. Sharing breaks down silos, making everyone smarter.

  8. Continuous Integration and Continuous Delivery (CI/CD) CI: Frequent code integration to a shared repository, automated testing. CD (Delivery): Automating steps to prepare software for deployment CD (Deployment): Automating the release into production environments. CI/CD pipelines enable rapid releases while ensuring quality Faster feedback loops, early bug detection and fixes. CI/CD is the heart of DevOps automation. Devs commit code many times a day, it gets automatically built and tested. CD means the process of getting it ready to deploy is also automated. Some companies take this further with continuous deployment – every change that passes tests goes live immediately!

  9. Infrastructure as Code (IaC) IaC: Managing infrastructure (servers, networks, etc.) through code, not manual configuration. Tools: Terraform, Ansible, Puppet, Chef Version control: Manage infrastructure changes like code. Consistency & scalability: Replicate and scale environments quickly Speed and reduced errors: Avoids manual configuration mistakes This extends DevOps thinking to the servers themselves. Instead of clicking around setting up servers, it's all written as code. This means environments can be spun up, torn down, and changed instantly. It's also easier to make many identical environments, which is important for reliable releases.

  10. DevOps in the Cloud Cloud computing accelerates DevOps adoption. Elasticity: Scale infrastructure up or down based on demand On-demand provisioning of resources, speeding up development Cloud-native tools and services designed for DevOps workflows Focus on automation, self-service capabilities for developers The cloud and DevOps go hand in hand. The ability to get new servers with the click of a button is amazing for rapid testing and deployment. Cloud providers often have tools built-in that follow DevOps philosophies and make life much easier for teams.

  11. Benefits of DevOps Faster time-to-market: Deliver new features to customers more quickly Increased release frequency: Smaller, more frequent deployments Improved quality: Automated testing and early error detection Reduced risk of failures: Thorough testing, rollback capabilities Enhanced collaboration: Shared goals, smoother processes across teams Cost reduction: Automation reduces errors and manual work Here's where you convince the audience! DevOps makes businesses more successful - they outpace their competitors who are still using old, slow methods. It's not just about happy engineers (though that's important too!), it directly makes the business better.

  12. Conclusion DevOps has revolutionized the way software is built and delivered. A philosophy of collaboration, automation, and continuous improvement. Benefits: Faster releases, higher quality, happier teams, increased business value. DevOps continues to evolve, shaping how we approach technology. Continuously learn and adapt, adopt new tools and practices. DevOps success is about continuous learning and improvement.

  13. Thank You ! DevOps training in chandigarh For Query Contact : 998874-1983

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