Top 20 DevOps Tools You Need to Know | DevOps Tools Tutorial | Edureka

Summary

This video provides an in-depth exploration of DevOps, a culture shift in IT that emphasizes collaboration, automation, and continuous improvement. It discusses the key DevOps tools used for software development and IT operations, such as version control systems (Git, Subversion, Mercurial), CI/CD pipelines (Jenkins, Travis CI), configuration management tools (Chef, Ansible, Puppet), and containerization (Docker, Kubernetes). The video also touches on monitoring and project management with tools like Jira and Prometheus. Ideal for those looking to understand how DevOps accelerates software delivery and enhances operational efficiency.

Takeaways

• 😀 DevOps is a collaborative approach that merges software development (Dev) and IT operations (Ops) to improve efficiency and reliability in software delivery.
• 😀 The infinity symbol is often associated with DevOps, symbolizing the continuous and iterative nature of the DevOps lifecycle.
• 😀 DevOps principles focus on automation, collaboration, and continuous improvement in software development and deployment.
• 😀 The major companies hiring for DevOps engineers include Accenture, TCS, IBM, Cognizant, and HCL Tech.
• 😀 Version control tools like Git, Subversion, and Mercurial are essential for managing and tracking changes in the source code, enabling collaborative development.
• 😀 Continuous Integration and Continuous Deployment (CI/CD) automates the software development process, making it faster and more reliable with tools like Jenkins, GitLab CI, and Travis CI.
• 😀 Configuration management tools like Chef, Ansible, and Puppet ensure that infrastructure is consistently configured and automated across environments.
• 😀 Docker is a leading tool for containerization, which packages applications with all their dependencies into portable containers that can run consistently across environments.
• 😀 Kubernetes is a powerful tool for container orchestration, enabling automated deployment, scaling, and management of containerized applications.
• 😀 Infrastructure as Code (IaC) tools like Terraform and AWS CloudFormation allow users to define and manage infrastructure resources using code, improving scalability and consistency.

Q & A

What is DevOps and why has it become important in IT?

DevOps is a set of practices combining software development (Dev) and IT operations (Ops) to improve collaboration, automate processes, and enable continuous improvement. It has become important because it allows organizations to deliver software more efficiently, reliably, and frequently while fostering a culture of cooperation.

Who coined the term DevOps and when?

The term 'DevOps' was officially coined in 2008 by Patrick Debois, a Belgian consultant, and Andrew Shafer, a system administrator, in response to challenges in traditional software development and IT operations.

What are the main categories of DevOps tools mentioned in the video?

The main categories are Version Control, Continuous Integration/Continuous Deployment (CI/CD), Configuration Management, Containerization, Infrastructure as Code (IAC), Cloud Platforms, Test Automation, Project Management, and Monitoring.

How does Git differ from Subversion (SVN) in version control?

Git is a distributed version control system allowing multiple developers to work on a project simultaneously with nonlinear development, while Subversion (SVN) is a centralized system where a single repository stores the complete version history.

What is the purpose of CI/CD in DevOps and which tools support it?

CI/CD automates building, testing, and deploying applications to enable faster, reliable software delivery. Tools supporting CI/CD include Jenkins, GitLab CI, and Travis CI.

What are some popular configuration management tools and their functions?

Popular tools include Chef (automates infrastructure via a client-server model), Ansible (agentless automation for configuration and deployment), and Puppet (manages infrastructure state using reusable modules). They ensure consistency, traceability, and automation of IT systems.

What role does Docker play in DevOps and how is it structured?

Docker provides containerization, packaging applications with all dependencies for consistent execution across environments. Its architecture includes the Docker Client (commands interface), Docker Host/Daemon (manages containers), and Docker Registry (stores images).

What is Infrastructure as Code (IAC) and which tools are used for it?

IAC automates the provisioning and management of infrastructure using machine-readable scripts. Popular tools include Terraform (declarative multi-cloud provisioning) and AWS CloudFormation (templates to define and manage AWS resources).

Why is monitoring crucial in DevOps and which tools are highlighted?

Monitoring ensures reliability, performance, and early detection of issues in systems. Tools mentioned include Nagios (server-agent architecture), Prometheus (collects metrics in dynamic environments), and Zabbix (real-time monitoring of servers, networks, and applications).

How does project management fit into DevOps practices?

Project management in DevOps ensures that development and operations activities align with business goals. It helps with resource planning, coordination, and applying DevOps principles effectively. Jira is highlighted as a key tool for agile project tracking and management.

What is the role of test automation in DevOps?

Test automation allows for frequent and rapid execution of test cases, providing fast feedback to developers. It supports continuous integration by helping integrate code changes more efficiently. Selenium is a key tool for automated web application testing.

What is Kubernetes and why is it important in container orchestration?

Kubernetes is an open-source platform for automating deployment, scaling, and management of containerized applications. It manages clusters of nodes, ensuring efficient operation of containers, particularly in cloud-native and microservices architectures.