DevOps Tutorial & Roadmap

Unlock the full potential of DevOps with this step-by-step tutorial and roadmap to becoming a DevOps maestro. Mastering DevOps can be transformative for developers, IT professionals, and businesses alike.

DevOps is a philosophy that merges development (Dev) with operations (Ops), aiming to shorten the development lifecycle and provide continuous delivery with high software quality. This guide is your compass to navigating the DevOps landscape, ensuring a smooth journey from novice to expert.

DevOps is a short form for words “Development” and “Operations,” symbolizing a culture that promotes teamwork between developers and operations staff to make the software delivery process smoother.

This DevOps guide aims to teach you both the fundamental and more complex aspects of DevOps, covering Git, Ansible, Docker, Puppet, Jenkins, various DevOps instruments, Azure DevOps, Chef, Nagios, and Kubernetes.

Understanding DevOps

What is DevOps?

DevOps is an approach to software development that focuses on teamwork, automation, and swift delivery to ensure customers receive top-notch products promptly and efficiently. It dismantles barriers between the developer and operations teams, fostering smooth communication, quicker market entry, and heightened customer satisfaction.

DevOps empowers teams to manage the entire application lifecycle, from development, testing, and operations to deployment, showcasing a partnership between Development and Operations to swiftly and systematically deploy code into production.

In DevOps, every stage of the software development lifecycle, from planning and coding to testing, deploying, and monitoring, is extensively automated. This boosts efficiency, guarantees uniformity, and reduces the likelihood of errors during development.

DevOps also champions a culture of ongoing enhancement, integrating feedback loops into the process to support faster cycles of iteration and smarter decision-making. By embracing DevOps, organizations can enhance their flexibility, cut expenses, and accelerate innovation.

At its core, DevOps is about collaboration and communication. It’s a cultural shift that encourages the breaking down of silos between teams, fostering a more productive and agile environment.

With DevOps, you can expect:

  • Faster time to market: Accelerate product launches with streamlined workflows.
  • Enhanced collaboration: Tear down walls between departments for better synergy.
  • Increased efficiency: Automate repetitive tasks to focus on innovation.
  • Improved reliability: Integrate and deliver continuously to maintain stability.

The DevOps Roadmap Overview

1. Foundation Building

Start with the basics. Understand the principles of agile methodology, get comfortable with version control systems like Git, and familiarize yourself with coding and scripting languages relevant to your stack.

2. Continuous Integration/Continuous Deployment (CI/CD)

Learn to integrate code into a shared repository frequently and automate the deployment process. Tools like Jenkins, Travis CI, and GitLab CI play a pivotal role here.

3. Automation

Master automation tools such as Ansible, Puppet, or Chef. These are crucial for managing configurations and ensuring that all systems are in a desired state.

4. Testing

Develop a robust testing framework. Embrace test-driven development (TDD) and use tools like Selenium or Junit to automate your testing.

5. Monitoring and Logging

Keep a pulse on your systems with monitoring tools like Nagios or Prometheus. Logging with ELK Stack or Splunk will help you troubleshoot and maintain system health.

6. Cloud Services

Gain proficiency in cloud services like AWS, Azure, or Google Cloud. Understand containerization with Docker and orchestration with Kubernetes.

7. Security

Incorporate security practices early on. Learn about DevSecOps and integrate security tools into your CI/CD pipeline.

DevOps Complete Tutorial & Roadmap

Here we outline the essential curriculum you should follow to pursue a career as a DevOps Engineer:

1. DevOps Fundamentals

While getting started with DevOps, you first need to understand the fundamentals of DevOps like what is DevOps, how it works, etc.

  • Introduction to DevOps
  • Evolution of DevOps
  • How DevOps Works?
  • Lifecycle of DevOps
  • DevOps Pipeline and Methodology
  • Agile vs DevOps
  • Skills and Salary for a DevOps Engineer
  • How to Become a DevOps Engineer
  • DevOps Best Practices
  • 30 Best DevOps Tools to Master in 2023
  • DevOps Tools to Try in 2022
  • 6 DevOps Certifications in 2021
  • 10 DevOps Skills in 2021
  • Difference between Cloud and DevOps Engineer

2. Linux

Linux stands out as a favoured operating system for servers and cloud setups. It offers a sturdy command-line interface (CLI), a scripting backdrop, vital tools and utilities, robust security measures, and potent diagnostic tools for problem-solving.

For a DevOps Engineer aiming to excel in providing top-notch software and infrastructure, proficiency in Linux is essential.

  • Linux Commands
  • Introduction to Linux Shell Scripting
  • How to create a Shell Script
  • Introduction to Bash and Bash Scripting
  • Debian Software Package Management (dpkg) in Linux
  • Linux Networking Tools
  • Network configuration and troubleshooting commands in Linux
  • Top 10 Linux Server Security Tips
  • SSH Server (sshd) Configuration and Security Options With Examples
  • Linux Virtualization: Linux Containers
  • How to Manage Linux Containers using LXC

3. Source Code Management

Source Code Management is a cornerstone of DevOps, focusing on monitoring and organizing the different versions of your source code. Git is highly regarded as one of the premier tools for source code version control. It enables DevOps Engineers to work together, oversee code, and carry out CI/CD pipelines, uphold code quality, and apply Infrastructure as Code practices.

  • Introduction and Installation of Git
  • How Git Version Control Works?
  • Useful Git Commands and Basic Concepts
  • Introduction to GitHub
  • List of useful GitHub Commands
  • Difference Between GitLab and GitHub
  • How to setup GitLab Repo in Windows 10
  • How to download and install GitLab?
  • Bitbucket vs GitHub vs GitLab

4. YAML

Yet Another Mark-up Language or YAML Ain’t Markup Language is a popular data serialization language that is used extensively in DevOps for defining and managing Infrastructure as a Code, managing configuration for various tools, defining CI/CD Pipelines and integrating with other technologies like JSON, XML, and Python, which makes it easy to learn and use in different DevOps scenarios.

  • YAML Comments
  • How to block comments in YAML
  • Difference between YAML and JSON

5. Cloud

Learning Cloud Computing is crucial for aspiring DevOps Engineers. Nowadays, many software applications are hosted on cloud platforms such as Amazon Web Services, Microsoft Azure, and Google Cloud Platform. These platforms offer scalable resources, flexibility, automation, tool integration, and cost-efficiency, aiding in the effective management of software applications in the cloud environment.

  • What is AWS
  • How to setup AWS
  • How to create an Instance in EC2
  • What is a Load Balancer
  • How to create a Load Balancer?
  • Scaling in EC2
  • Create AutoScaling Group in EC2
  • What is DNS
  • What is Route53
  • AWS VPC
  • Introduction to Microsoft Azure
  • Data Security in Azure
  • Virtual Network in Azure
  • Management of Virtual Machines in Azure
  • Introduction to Google Cloud Platform
  • Google Cloud Platform Networking Services

6. Docker

Docker is a well-known tool for containerization that speeds up software delivery. It utilizes containers to encapsulate code, simplifying the management and upkeep of applications.

  • Introduction to Docker
  • Docker Architecture
  • Docker Instructions
  • Dockerfile
  • Docker Images
  • Introduction to Docker Compose
  • Docker Storage
  • Docker Networking
  • Docker Ports
  • Docker Registry
  • Introduction to Docker Swarm

7. Kubernetes

Kubernetes is a renowned tool for container orchestration that enhances applications with scalability, robustness, adaptability, and portability. It automates processes, offers monitoring capabilities, and connects to a vast array of tools and plugins. These features are beneficial across the DevOps lifecycle, including application deployment, scaling, monitoring, and problem-solving.

  • Introduction to Kubernetes
  • Kubernetes – Architecture
  • Kubernetes – Deployments
  • Kubernetes – Volumes
  • Kubernetes – Secrets
  • Kubernetes – Kubectl
  • Kubernetes – ConfigMap

8. Infrastructure as a Code

Infrastructure as Code (IaC) streamlines the automation and setup of infrastructure resources through tools like Terraform, CloudFormation, and ARM Templates. It specifies cloud resources, oversees resource interdependencies, crafts templates for reuse, validates IaC code, and supervises code modifications with version control systems.

  • Introduction to Terraform
  • Introduction to Gradle
  • Introduction to Maven
  • How to Test Java Applications Using TestNG?
  • How to Integrate JMeter with Prometheus and Grafana?
  • How to Run Only One Unit Test Class Using Gradle?
  • Automation using Chef
  • Using Ansible to Manage Remote Machines
  • Introduction to Jenkins
  • How to Make a CI-CD Pipeline in Jenkins?
  • Introduction to Puppet
  • Introduction to Docker Swarm
  • Microsoft Azure – Deploying Web Applications Using GitHub Actions
  • Microsoft Azure – Build and Deploy App with Azure SDK For Java
  • What is AWS OpsWorks?
  • Microsoft Azure – Configuring Backup For Azure App Services
  • Microsoft Azure – Configuring an Alert Rule with Azure Monitor
  • Microsoft Azure – Configuring Backup For Azure App Services
  • Microsoft Azure – Configure Azure SQL with Azure CLI
  • How to Integrate JMeter with Prometheus and Grafana?
  • Working with Prometheus and Grafana Using Helm

9. DevOps Courses

Here are the free DevOps courses offered by Ternet Digital:

  • Kubernetes Free Course

Dive into the world of container orchestration with our free Kubernetes course. Learn to manage and scale applications seamlessly in any environment.

  • AWS Course

Explore the comprehensive services of Amazon Web Services with our free AWS course, designed to equip you with the skills needed for cloud mastery.

  • DevOps Engineer Course

Our free DevOps course offers insights into efficient development and operations practices, ensuring faster deployment and robust software solutions.

  • Cloud Computing Course

Embrace the cloud with our free Cloud Computing course, where you’ll discover how to leverage the cloud for flexibility, scalability, and innovation.

  • Docker Course

Unpack the essentials of containerization with our free Docker course, simplifying application deployment and management across systems.

  • Linux Course

Master the Linux operating system with our free Linux course, enhancing your server management and command-line expertise.

Each course here is tailored to be accessible, engaging, and practical, providing you with the knowledge and tools to excel in the digital landscape.

Also Read:

  • How to Become a DevOps Engineer?
  • Complete DevOps Roadmap – Beginner to Advanced

Why Learn DevOps?

Let’s look at some important aspects of DevOps:

  • The operations and development teams work hand in hand.
  • Testing and deployment follow right after the design and build stages.
  • Manual code deployment can cause mistakes in production, but DevOps streamlines this with automation.

Is DevOps for Freshers?

DevOps is indeed a field that welcomes newcomers. It’s a buzzing area in tech where many businesses are seeking DevOps Engineers to oversee their servers, streamline their code deployment, and maintain their apps. If you’re aiming to enter the DevOps realm as a beginner, here are some essential steps to take:

Grasp the basics mentioned earlier.

  • Acquire practical experience by engaging in hands-on practice and project creation.
  • Focus on learning and perfecting automation techniques.
  • Enhance your interpersonal skills.
  • Connect with industry experts.
  • Stay updated and continuously apply new learnings.

Conclusion

The DevOps journey is ongoing and ever-evolving. By following this roadmap, you’ll build a solid foundation, streamline your development process, and elevate your career to new heights. Remember, the key to success in DevOps is a commitment to continuous learning and improvement. So, gear up and set forth on your path to DevOps mastery.

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