#selenium with docker

[minhphong306]

[Docker Selenium Grid] Tắt password LiveView (VNC)

Làm việc với Selenium Grid, có một cái mình ghét phết: LiveView (VNC) password: Continue reading [Docker Selenium Grid] Tắt password LiveView (VNC)

[centizen]

Revolutionizing Software Development: Understanding the Phases, Lifecycle, and Tools of DevOps

DevOps refers to the combinations of Development and Operational Skills. Basically, to overcome the long, time-consuming process of traditional waterfall models, DevOps are preferred. Nowadays many companies are interested to employ engineers who are skilled at DevOps.It integrates development and operations i.e. it takes a combination of software developers and IT sector.

Phases of DevOps

DevOps engineering consists of three phases:

Automated testing

Integration

Delivery

DevOps lifecycle

DevOps mainly focuses on planning, coding, building and testing as the development part. Added is the operational part that includes releasing, deployment, operation, and monitoring. The development and operational part make up the life cycle.

DevOps team & work style

In business enterprises, DevOps engineers create and deliver software. The main aim of this team, in an enterprise environment, is to develop a quality product without the traditional time consumed.

DevOps employs an automated architecture which comes with a set of rules, a person who has worked as a front-runner for the organization, will lead the team based on the company’s beliefs and values.

A Senior DevOps engineer is expected the following skills

Software testing: The responsibility increases along with coding new requirements to test, deploy and monitor the entire process as well.

Experience assurance: The person follows the customer’s idea to develop the end product.

Security engineer: During the development phase the security engineering tools to be used in the security requirements.

On-time deployment: The engineer should ensure that the product is compatible and running at the client’s end.

Performance engineer: Ensures that the product functions properly.

Release engineer: The role of the release engineer is to address the management and coordination of the product from development through production. Release ensures the coordination, integration, flow of development, testing, and deployment to support continuous delivery and maintenance of the end-end applications.

System admin: Traditionally system admin focuses only on the server running. But DevOps handles the open source pros, passionate towards technology, and hands-on with development platforms and tools. They maintain the networks, servers database and even support.

Usage of the DevOps tools

The Git tool is a version control system tool used to develop the source code by developers and send it to the Git repository and we have to edit the code in the repository.

Jenkins is a powerful application tool that allows the code from the repository using the git plugin and builds it using tools like Ant or Maven.

Selenium is an open-source automation tool. The Selenium tool performs regression and functional testing. Selenium is used for testing the code from Jenkins.

Puppet is a configuration management and deploys testing environment.

Once the code is tested, Jenkins sends it for deployment on the production server.

Then the completion of Jenkins it goes to be monitored by tools Nagios.

After the monitoring process, Docker containers provide a testing environment to test the built features.

Basic technical knowledge for DevOps recruiters:

The DevOps recruiters should follow basic methodologies such as agile, continuous delivery, continuous integration, microservices, test-driven development, and infrastructure as a code.

They must know the basic scripting languages such as Bash, Python, Ruby, Perl, and Php.

The recruiters must know the infrastructure automation codes such as Puppet, chef, Ansible, Salt, Terraform, Cloud formation, and Source code management such as Git, Mercurial, and Subversion.

The developers should study cloud services such as AWS, Azure, Google Cloud, and open stack.

Another skill is orchestration. In programming, to manage the interconnections and interactions among the private and public clouds.

Next one is containers, a method of OS virtualization that allows you to run an application and its dependents in a resource-isolated process, it includes LXD, Docker.

The recruiters should be able to manage multiple projects, simultaneously.

They must know the usage of tools for continuous integration and delivery. Such as Cruise control, Jenkins, Bamboo, Travis CI, GOCD, Team Foundation server, Team City, Circle CI

Testing tools such as Test Complete, Testing Whiz, Serverspec, Testinfra, In Spec, Customer Driven Contracts. Recruiters must know the monitoring tools such as Prometheus, Nagios, Icinga, Zabbix, Splunk, ELK Stack, collected, CloudWatch, Open Zipkin.

In conclusion, DevOps combines development and operational skills to streamline the software development process, with a focus on planning, coding, building, testing, releasing, deploying, operating, and monitoring. The DevOps team is responsible for creating and delivering quality products in an enterprise environment using automated architecture and a set of tools such as Git, Jenkins, Selenium, Puppet, Nagios, and Docker. DevOps recruiters should have basic technical knowledge of agile, continuous delivery, scripting languages, infrastructure automation, cloud services, orchestration, containers, and project management, as well as proficiency in various tools for continuous integration and delivery, testing, and monitoring.

[softweb-solutions]

Docker is a powerful tool that can help you improve the efficiency, scalability, and security of your Selenium testing. Learn more about the benefits of using Docker for Selenium testing and how to get started in this blog post. 

[endlos-technologies]

Virtual Production: Revolutionizing the Entertainment Industry

In recent years, virtual production has emerged as a groundbreaking technology, revolutionizing the entertainment industry in ways never seen before. From movies and television shows to video games and live events, virtual production has become a game-changer, offering unprecedented creative possibilities and cost efficiencies. In this article, we delve deep into the world of virtual production and explore how it is transforming the way we experience entertainment.

What is Virtual Production?

Virtual production is a cutting-edge technique that merges live-action footage with computer-generated imagery (CGI) in real-time. By utilizing advanced technologies such as motion capture, augmented reality, and virtual reality, virtual production bridges the gap between the physical and digital realms, enabling filmmakers and content creators to visualize and capture complex scenes in a highly efficient manner.

The Benefits of Virtual Production

Enhanced Creativity: Virtual production opens up a world of limitless creative possibilities. Filmmakers can bring to life fantastical worlds, unimaginable creatures, and breathtaking visual effects with unparalleled realism and detail. The ability to see the final result in real-time empowers directors and cinematographers to make on-the-fly creative decisions, fostering a collaborative and dynamic filmmaking process.

Cost Efficiency: Traditional production methods often involve costly set constructions, location scouting, and extensive post-production work. Virtual production streamlines these processes, significantly reducing production costs and saving both time and resources. With virtual sets and environments, filmmakers can create stunning visuals without the need for elaborate physical sets, thereby minimizing expenses associated with logistics and construction.

Time Saving: Virtual production accelerates the production timeline, enabling filmmakers to complete projects more efficiently. By eliminating the need for extensive post-production work, such as adding CGI effects in the editing phase, virtual production allows for real-time integration of visual effects during filming. This eliminates the lengthy waiting periods and accelerates the overall production process.

Realistic Performances: One of the most remarkable aspects of virtual production is its ability to capture realistic performances. With advanced motion capture technology, actors' movements and expressions can be seamlessly translated onto digital characters or creatures. This level of realism enhances the audience's immersion and emotional connection, creating a truly captivating viewing experience.

Applications of Virtual Production

Film and Television

Virtual production has become a game-changer in the film and television industry. It has been widely adopted for creating visually stunning films, such as the groundbreaking "Avatar" and "The Jungle Book." With virtual production, filmmakers can transport audiences to new worlds, breathe life into imaginary creatures, and tell captivating stories with unprecedented visual fidelity.

Video Games

Virtual production has also made significant strides in the realm of video games. The ability to capture real-time performances and integrate them into virtual environments has elevated the gaming experience to new heights. Games like "The Last of Us Part II" and "Cyberpunk 2077" have utilized virtual production techniques to create immersive and visually stunning worlds that blur the line between reality and fiction.

Live Events and Broadcast

Virtual production has even found its way into live events and broadcast productions. With the use of augmented reality, virtual sets, and live compositing, events like award shows, concerts, and sports broadcasts have been transformed into visually captivating spectacles. Virtual production allows for dynamic real-time visual effects and virtual elements that enhance the overall viewer experience.

The Future of Virtual Production

As technology continues to advance, virtual production is poised to become an integral part of the entertainment industry. The seamless integration of physical and digital elements, combined with real-time visualization and creative flexibility, paves the way for a new era of storytelling and audience engagement. We can expect virtual production to evolve further, pushing the boundaries of what is possible and continuing to reshape the way we consume and interact with entertainment content.

In conclusion, virtual production has emerged as a groundbreaking technology, revolutionizing the entertainment industry across film, television, video games, and live events. With its ability to enhance creativity, reduce costs, save time, and deliver realistic performances, virtual production is transforming the way we experience and engage with entertainment. As the technology advances and adoption increases, the future looks incredibly promising for virtual production, paving the way for unparalleled storytelling and immersive experiences.

[vasavipotti]

Top Tools and Technologies Every Full Stack Java Developer Should Know

In today's fast-paced software development landscape, Full Stack Java Developers are in high demand. Companies seek professionals who can work across both the frontend and backend, manage databases, and understand deployment processes. Whether you're just starting your career or planning to upskill, mastering the right set of tools and technologies is key.

If you're considering a full stack java training in KPHB, this guide will help you understand the essential technologies and tools you should focus on to become industry-ready.

1. Java and Spring Framework

The foundation of full stack Java development starts with a deep understanding of Core Java and object-oriented programming concepts. Once you’ve nailed the basics, move to:

Spring Core

Spring Boot – simplifies microservices development.

Spring MVC – for building web applications.

Spring Security – for handling authentication and authorization.

Spring Data JPA – for database operations.

Spring Boot is the most widely adopted framework for backend development in enterprise applications.

2. Frontend Technologies

A full stack Java developer must be proficient in creating responsive and interactive UIs. Core frontend technologies include:

HTML5 / CSS3 / JavaScript

Bootstrap – for responsive designs.

React.js or Angular – for building dynamic SPAs (Single Page Applications).

TypeScript – especially useful when working with Angular.

3. Database Management

You’ll need to work with both relational and non-relational databases:

MySQL / PostgreSQL – popular SQL databases.

MongoDB – a widely used NoSQL database.

Hibernate ORM – simplifies database interaction in Java.

4. Version Control and Collaboration

Version control systems are crucial for working in teams and managing code history:

Git – the most essential tool for source control.

GitHub / GitLab / Bitbucket – platforms for repository hosting and collaboration.

5. DevOps and Deployment Tools

Understanding basic DevOps is vital for modern full stack roles:

Docker – for containerizing applications.

Jenkins – for continuous integration and delivery.

Maven / Gradle – for project build and dependency management.

AWS / Azure – cloud platforms for hosting full stack applications.

6. API Development and Testing

Full stack developers should know how to develop and consume APIs:

RESTful API – commonly used for client-server communication.

Postman – for testing APIs.

Swagger – for API documentation.

7. Unit Testing Frameworks

Testing is crucial for bug-free code. Key testing tools include:

JUnit – for unit testing Java code.

Mockito – for mocking dependencies in tests.

Selenium / Playwright – for automated UI testing.

8. Project Management and Communication

Agile and collaboration tools help manage tasks and teamwork:

JIRA / Trello – for task and sprint management.

Slack / Microsoft Teams – for communication.

Final Thoughts

Learning these tools and technologies can position you as a highly capable Full Stack Java Developer. If you're serious about a career in this field, structured learning can make all the difference.

Looking for expert-led Full Stack Java Training in KPHB? ✅ Get industry-ready with hands-on projects. ✅ Learn from experienced instructors. ✅ Job assistance and certification included.

👉 Visit our website to explore course details, check out FAQs, and kickstart your journey today!

[dailytechh]

Why Playwright Is Booming in 2025: A Quick Guide for Test Engineers

The world of test automation is moving fast, and in 2025, Playwright has become the go-to framework for modern QA teams. Developed by Microsoft, Playwright supports automation across Chromium, Firefox, and WebKit, offering unmatched flexibility and stability.

But why are test automation engineers and QA companies flocking to it?

🔍 Key Benefits of Playwright in 2025

✅ Write once, run everywhere – One API supports all major browsers

✅ Less flaky tests – Auto-waiting for DOM stability reduces false failures

✅ Parallel execution – Faster test runs with isolated browser contexts

✅ Modern framework support – Built for React, Angular, Vue, and more

✅ CI/CD & DevOps ready – Seamless integration with pipelines

What Senior Engineers Love (But Rarely Mention)

Zero dependency on browser drivers

Playwright Inspector for visual debugging

Works great in Docker and cloud CI tools

Supports API + UI testing in a single script

Multi-language support (JS, Python, Java, .NET)

Whether you’re migrating from Selenium or looking for more than Cypress offers, Playwright bridges the gap between speed, reliability, and ease of use.

📖 Want the full guide with real-world use cases, best practices, and comparisons? 👉 Read the full article here

🛠️ Syndicated by AutomationQA – Delivering automation insights and QA innovation for modern engineering teams.

[learnovitapython]

Selenium: The Cornerstone of Modern Web Automation Testing

In our increasingly digital world, websites are no longer just static information hubs. They are complex, interactive platforms powering essential services such as digital banking, e-learning, online shopping, and enterprise tools. As the role of web applications continues to expand, maintaining their reliability, efficiency, and intuitive design is more critical than ever. Whether managing a SaaS product or a dynamic e-commerce site, delivering a smooth user experience is inseparable from a robust and functional web interface.

Selenium: More Than Just a Single Tool

Selenium is often misunderstood as a standalone automation tool. In reality, it is a suite of specialized components, each addressing specific needs in browser-based automation. This flexibility allows teams to tailor their automation strategy according to their skill levels and project complexity.

The Selenium suite comprises:

Selenium IDE: A user-friendly browser extension for Chrome and Firefox that enables record-and-playback testing. It’s great for quick test creation, demos, or for those new to automation.

Selenium WebDriver: The core engine that offers direct interaction with web browsers through a rich API. It supports multiple languages and allows simulation of real-world user behavior with high precision.

Selenium Grid: Designed for distributed execution, it enables running tests in parallel across various browsers, operating systems, and machines, significantly reducing test duration and enhancing coverage.

This structure supports a progressive approach starting with simple test recordings and scaling up to advanced, enterprise-grade test frameworks. Enhance your web automation skills with our comprehensive Selenium Course Online, designed for beginners and professionals to master real-time testing techniques.

What Sets Selenium Apart in the Automation Landscape

Selenium remains a top choice among automation frameworks due to its open-source nature, adaptability, and strong community support. Its compatibility with several programming languages including Java, Python, JavaScript, and C# makes it highly versatile.

Notable strengths of Selenium include:

Cross-browser compatibility (Chrome, Firefox, Safari, Edge, etc.)

Cross-platform support for Windows, macOS, and Linux

Integration readiness with DevOps tools like Maven, Jenkins, Docker, and CI/CD pipelines

Large and active community, ensuring continuous enhancements and robust documentation

These features make Selenium an ideal solution for Agile and DevOps-driven environments where flexibility and scalability are essential.

Selenium WebDriver: The Automation Power Core

Selenium WebDriver is the most powerful and widely used component of the suite. It communicates directly with browsers using their native automation APIs, which leads to faster execution and more stable tests.

With WebDriver, testers can:

Simulate user actions such as clicking, typing, scrolling, and navigation

Interact with dynamic content and complex UI elements

Handle browser alerts, multiple tabs, and asynchronous behaviors

Use sophisticated waiting strategies to reduce flakiness

Its language flexibility and ease of integration with popular testing frameworks make it suitable for both functional and regression testing in modern applications.

Selenium Grid: For Fast, Parallel, and Scalable Testing

As projects grow in scale and complexity, running tests sequentially becomes impractical. Selenium Grid addresses this by supporting parallel test execution across different systems and environments.

Here’s how it works:

A central Hub routes test commands to multiple Nodes, each configured with specific browser and OS combinations.

Tests are automatically matched with suitable Nodes based on the desired configuration.

This setup enables:

Faster test cycles through concurrency

Expanded test coverage across platforms and browsers

Seamless scalability when integrated with Docker or cloud environments

Selenium Grid is particularly beneficial for CI/CD pipelines, enabling frequent and reliable testing in short time frames.

Challenges in Selenium and How to Overcome Them

Despite its many advantages, Selenium presents a few challenges. Fortunately, these can be addressed effectively with best practices and complementary tools.

1. Test Instability

Tests may fail unpredictably due to timing issues or dynamic content. Use robust locators, implement explicit or fluent waits, and add retry mechanisms where necessary.

2. High Maintenance Overhead

Frequent UI changes can break test scripts. Adopt the Page Object Model (POM), centralize selectors, and design modular, reusable components.

3. Lack of Native Reporting

Selenium does not include reporting features by default. Integrate reporting tools such as ExtentReports, Allure, or custom HTML reporters to visualize test outcomes and logs.

4. No Built-in Test Management

Selenium focuses on execution, not planning or tracking. Pair Selenium with test management tools like TestRail, Zephyr, or Jira plugins to organize and track testing efforts. Proactively addressing these issues leads to more reliable, maintainable, and scalable automation frameworks. Kickstart your career with our Best Training & Placement Program, offering expert-led sessions and guaranteed job support for a successful future in tech.

Selenium’s Strategic Role in Modern QA

As the software industry embraces continuous integration and delivery, quality assurance is shifting earlier in the development lifecycle, a practice known as Shift Left. Selenium supports this transition by enabling early and continuous automation.

Key benefits in modern workflows include:

Integration with CI tools like Jenkins, GitHub Actions, or Azure DevOps

Easy version control and code collaboration via Git

Support for data-driven testing, allowing validation of multiple scenarios using external data sources

This makes Selenium not just a testing tool, but a strategic partner in achieving high-quality, fast-paced software releases.

Conclusion

Selenium continues to play a crucial role in modern web automation. Its blend of flexibility, scalability, and open-source accessibility makes it a go-to framework for both startups and large enterprises. Whether you are verifying basic functionalities or managing a complex automation suite, Selenium equips you with the tools to build efficient and dependable tests. By following best practices such as structured test architecture, modular design, and integrated reporting Selenium can elevate your quality assurance efforts into a long-term strategic asset. As web technologies evolve and user expectations rise, Selenium will remain at the forefront of automated testing solutions.

[monopolyit32]

Top 10 Skills Every Java Fullstack Developer Should Learn

If you're aiming to become a proficient fullstack developer, joining the Best Java Training Institute in Hyderabad can be a game-changer. Java remains a cornerstone in fullstack development, powering robust backends and dynamic web applications. However, developers must be able to combine backend and frontend skills to stand out. Here's a breakdown of the top 10 must-have skills for Java fullstack developers.

1. Core Java

Understanding OOPs concepts, exception handling, and collections is essential. Java's core language forms the foundation of all backend development.

2. Spring Framework

To build scalable, maintainable, and secure backend systems, Spring Boot and Spring MVC are crucial.

3. RESTful APIs

Being able to design and consume REST APIs is a fundamental skill, as most modern applications rely on them for frontend-backend communication.

4. Frontend Technologies

Knowledge of HTML, CSS, JavaScript, and frameworks like Angular or React is essential for creating responsive UIs.

5. Database Management

Familiarity with SQL (MySQL, PostgreSQL) and NoSQL (MongoDB) databases is key to handling data effectively.

6. Version Control

Git and GitHub are essential tools for collaboration and code management in modern development workflows.

7. DevOps Basics

Understanding CI/CD pipelines and tools like Jenkins or Docker adds significant value to a developer’s profile.

8. Testing Frameworks

JUnit, Mockito, and Selenium help ensure code quality and maintainability through automated testing.

9. Security Best Practices

Knowledge of authentication, authorization, and encryption helps build secure applications.

10. Soft Skills

Problem-solving, communication, and time management are just as important as technical expertise.

Conclusion

To truly master these skills and boost your career as a Java fullstack developer, consider enrolling with Monopoly IT Solutions—a trusted name in Java training and career transformation.

[ludoonline]

Streamline Cloud Deployments with CI/CD Pipelines and Automation

In today’s fast-paced digital world, speed and reliability are critical for delivering great software experiences. That’s why more enterprises are embracing CI/CD pipelines and automation to streamline their cloud deployments.

From reducing human error to accelerating time to market, this approach is transforming how modern businesses build, test, and ship software in the cloud.

🔄 What is CI/CD in the Cloud?

CI/CD (Continuous Integration and Continuous Deployment) is a modern DevOps practice that automates the software delivery process. It enables developers to integrate code frequently, test it automatically, and deploy changes rapidly and safely.

When paired with cloud platforms, CI/CD delivers:

Faster release cycles

Reliable rollbacks

Automated testing at every stage

Scalable, repeatable deployments

⚙️ Key Components of a Cloud-Native CI/CD Pipeline

Version Control System (e.g., Git, GitHub, GitLab)

CI Server (e.g., Jenkins, CircleCI, GitHub Actions)

Automated Test Framework (e.g., Selenium, JUnit, Postman)

Infrastructure as Code (IaC) for repeatable cloud infrastructure

Monitoring and Rollback Mechanisms for real-time feedback

⚡ Benefits of CI/CD Pipelines in Cloud Environments

BenefitImpact 🕒 Faster Releases Ship features, fixes, and updates quickly ✅ Higher Code Quality Automated testing reduces bugs in production 🔁 Repeatability Standardized deployment reduces errors 📈 Scalability Easily scale with demand across regions 🧪 Better Collaboration Developers can work in smaller, faster cycles

🔧 Automation in Cloud Deployments

Automation is the backbone of modern cloud operations. When integrated with CI/CD, automation ensures:

Zero-touch deployments across multiple environments

Infrastructure provisioning with tools like Terraform or AWS CloudFormation

Configuration management with Ansible, Chef, or Puppet

Cloud-native scaling with Kubernetes, Docker, and serverless platforms

🛠️ Tools to Build a CI/CD Pipeline in the Cloud

CategoryPopular Tools Version Control GitHub, GitLab, Bitbucket CI/CD Orchestration Jenkins, GitHub Actions, CircleCI, Argo CD IaC Terraform, Pulumi, AWS CDK Containerization Docker, Kubernetes, Helm Monitoring & Rollback Prometheus, Grafana, Datadog, Sentry

🔐 CI/CD Security and Compliance Considerations

As deployments speed up, so must your focus on security and governance:

Use secrets managers for API keys and credentials

Run static code analysis in your pipeline

Enforce access controls and audit logging

Integrate security testing tools (SAST, DAST) early in the pipeline

✅ Real-World Use Case: CI/CD at Salzen Cloud

At Salzen Cloud, our clients achieve:

70% faster deployment times

50% fewer production bugs

Fully automated, auditable release workflows

Our custom-built pipelines integrate with AWS, Azure, GCP, and container-based platforms to ensure secure, high-performance deployments at scale.

🧠 Final Thoughts

If you're still deploying software manually or with long release cycles, you're falling behind.

CI/CD and automation aren't just nice-to-haves — they are essential for cloud-native success. They reduce risk, improve agility, and allow teams to focus on what matters most: delivering great software faster.

Ready to modernize your cloud deployments? Let Salzen Cloud help you build a CI/CD pipeline that fits your business goals.

[centizen]

A Better Understanding of DevOps Services

A better understanding of DevOps Services can be simply put as a combination of Development and Operational Skills. Basically, to overcome the long, time-consuming process of traditional waterfall models, DevOps are preferred. Nowadays many companies are interested to employ engineers who are skilled at DevOps. DevOps integrates development and operation i.e. it takes both software developers and IT sector. DevOps engineers must play nice as they have to collaborate, and handle an automated infrastructure, workflow and continuously measuring application performance.

DevOps service phases

DevOps engineering consists of three phases:

1. Automated testing

2. Integration

3. Delivery

The lifecycle of DevOps

DevOps services mainly focus on planning, coding, building, and testing as the development part. Added is the operational part that includes releasing, deployment, operation, and monitoring. The development and operational parts make up the life cycle.

Team members of DevOps

In business enterprises, DevOps service engineers create and deliver software. The main aim of this team, in an enterprise environment, is to develop a quality product without the traditional time consumed.

The DevOps service employs an automated architecture which comes with a set of rules, a person who has worked as a front runner for the organization will lead the team based on the company’s beliefs and values.

A senior DevOps engineer is expected the following skills.

Software testing:

The responsibility increases along with coding new requirements to test, deploy and monitor the entire process as well.

Experience assurance:

The person follows the customer’s idea to develop the end product.

Security engineer:

During the development phase the security engineering tools to be used in the security requirements.

On-time deployment:

The DevOps Service engineer should ensure that the product is compatible and running at the client’s end.

Performance engineer:

Ensures that the product functions properly.

Release engineer:

The role of the release engineer is to address the management and coordination of the product from development through production. Release ensures the coordination, integration, flow of development, testing, and deployment to support continuous delivery and maintenance of the end-end applications.

System admin:

Traditionally system admin focuses only on the server running. But DevOps Services handles the open-source pros, passionate towards technology, and hands-on with development platforms and tools. They maintain the networks, servers, and databases and even support them.

Most popular DevOps tools

Git is a version control system tool

Jenkins, Selenium are Continuous Integration Testing tools that use predefined frameworks.

Puppet, Chef, Ansible are configuration management and deployment tools

Nagios is a Continuous monitoring tool

Docker is a container concept tool.

Usage of the DevOps tools

Git tool is a version control system tool that is used to develop the source code by developers and sent to the Git repository and we have to edit the code in repository.

Jenkins is a powerful application tool that allows the code from the repository using the git plugin and builds it using tools like Ant or Maven.

Selenium is an open-source automation tool. The Selenium tool performs regression and functional testing. Selenium is used for testing the code from Jenkins.

Puppet is a configuration management and deploys the testing environment.

Once the code is tested, Jenkins sends it for deployment on the production server.

Then the completion of Jenkins goes to monitored by tools Nagios.

After the monitoring process Docker containers provides a testing environment to test the build features.

Basic technical knowledge for DevOps recruiters

The DevOps service recruiters should follow basic methodologies such as agile, continuous delivery, continuous integration, microservices, test-driven development, and infrastructure as a code.

They must know the basic scripting languages such as Bash, Python, Ruby, Perl, and PHP.

The recruiters must know the infrastructure automation codes such as Puppet, Chef, Ansible, Salt, Terraform, Cloud Formation, and Source code management such as Git, Mercurial, and Subversion.

The developers should study cloud services such as AWS, Azure, Google Cloud, and Open Stack.

Another skill is orchestration. In programming, to manage the interconnections and interactions among the private and public clouds.

The next one is containers, a method of OS virtualization that allows you to run an application and its dependents in resource-isolated processes. it includes LXD, and Docker.

The recruiters should be able to manage multiple projects, simultaneously.

They must know the usage of tools for continuous integration and delivery. Such as Cruise control, Jenkins, Bamboo, Travis CI, GOCD, Team Foundation server, Team City, Circle CI

Testing tools such as Test Complete, Testing Whiz, Serverspec, Testinfra, In Spec, Customer Driven Contracts.

Recruiters must know the monitoring tools such as Prometheus, Nagios, Icinga, Zabbix, Splunk, ELK Stack, collected, CloudWatch, Open Zipkin.

Conclusion

In this article, we discuss the basics of DevOps Services. It includes the phases, the roles & finally, the lifecycle and usage of the tools and skills for recruiters.

[minhphong306]

[TIL] Kill Selenium Grid sessions

Dạo này tớ có cái project làm crawling, sử dụng selenium grid. Thi thỏang bị một vấn đề: session không tự close, dẫn tới nó cứ treo ở đó, làm cái queue bị tắc. Đầu tiên thì mình workaround bằng cách down instance docker của Selenium Grid xuống, rồi start lại. Cơ mà làm thế mất thời gian quá. Thử google thì có cách gọn hơn: dùng cURL: curl -X "DELETE" http://<your grid…

[korshubudemycoursesblog]

🚀 Master DevOps Automation: The Complete Jenkins CI/CD Pipeline Blueprint

In today’s fast-paced digital world, delivering software faster, safer, and smarter is not just a trend—it’s a business necessity. Whether you're a budding developer or an experienced DevOps engineer, mastering Jenkins CI/CD pipelines is your ticket to automating delivery workflows and boosting deployment efficiency.

Welcome to the era of DevOps, where integration meets automation—and The Complete Jenkins DevOps CI/CD Pipeline course is your ultimate guide to becoming a DevOps pro.

So, let’s break down what Jenkins, CI/CD, and DevOps really mean, why you should care, and how this course can change the game for your career or business. Let’s dive in!

🌐 What is Jenkins and Why Does It Matter in DevOps?

Let’s keep this simple.

Jenkins is an open-source automation tool written in Java. It helps you automate the process of building, testing, and deploying applications. Think of Jenkins as your digital assistant that works around the clock to streamline your code delivery process.

Here’s why Jenkins is such a big deal in DevOps:

💡 Automation: Eliminate manual errors and repetitive tasks.

🧱 Flexibility: Jenkins integrates with over 1,800 plugins.

🔁 Continuous Integration & Continuous Deployment (CI/CD): Push code, run tests, deploy updates—all without lifting a finger.

Whether you're working on a solo project or part of a large development team, Jenkins helps you ship quality software, faster and more reliably.

🧰 What Exactly Is CI/CD?

CI/CD may sound technical, but it’s pretty straightforward.

Continuous Integration (CI) means developers regularly push code to a shared repository. Jenkins automatically tests that code to catch bugs early.

Continuous Delivery (CD) means your application gets automatically built and deployed to a staging or production environment after passing those tests.

Together, CI/CD creates a seamless development flow that ensures your app is always in a deployable state. And Jenkins is the engine behind that flow.

In short, CI/CD = Less chaos. More control.

🚀 Why You Need Jenkins CI/CD in Your Skillset

Here’s the truth: DevOps is the future of software development. Companies want faster releases and fewer bugs. If you can offer that, you’re gold.

💼 Career Boost

Hiring managers actively seek professionals who understand CI/CD practices and Jenkins workflows. In fact, Jenkins has become a staple in almost every DevOps job listing.

⏱️ Time-Saver

Imagine testing and deploying code with a click—or even better, no clicks at all. Jenkins automates these steps, freeing up your time for more important work.

✅ Fewer Bugs

Because Jenkins automatically tests new code, you catch bugs earlier—when they’re cheaper and easier to fix.

🎯 What Will You Learn in The Complete Jenkins DevOps CI/CD Pipeline?

If you’ve ever been overwhelmed by complex DevOps tools or confusing workflows, this course simplifies it all.

Here’s a sneak peek of what The Complete Jenkins DevOps CI/CD Pipeline course offers:

🏗️ Setting Up Jenkins from Scratch

Learn how to install and configure Jenkins on your system, including tips for cloud deployment on AWS or Docker. Whether you're on Windows, Linux, or Mac, you’re covered.

🔌 Plugin Essentials

You’ll discover which Jenkins plugins make life easier—from GitHub integration to Slack notifications, and how to use them effectively.

🛠️ Building Pipelines

From freestyle jobs to declarative pipelines, you’ll master how to:

Trigger builds on code push

Run automated tests

Package and deploy code

🧪 Automated Testing Integration

You’ll integrate Jenkins with testing tools like JUnit or Selenium to automatically test every new piece of code. No more crossing fingers during deployments!

☁️ Deploy to AWS, Docker, Kubernetes

You’ll even explore advanced deployment setups using cloud infrastructure and containerization platforms. That’s real-world, production-grade training.

💡 Why This Course is a Game-Changer

Let’s be honest—there are plenty of Jenkins tutorials out there. So, what makes this one different?

✅ Beginner to Pro Structure

Whether you’re just starting or already have some DevOps experience, the course gradually builds your knowledge with hands-on, real-world projects.

🎓 Step-by-Step Guidance

Every lesson is explained in plain English. No unnecessary jargon. You’ll know why you’re doing each step, not just how.

🔥 Lifetime Access & Updates

Once you enroll, the content is yours forever. Plus, updates keep your skills fresh as Jenkins evolves.

🧩 Real-World Scenarios and Projects

This isn’t theory. You’ll walk away with projects that mirror real-world use cases, including:

CI/CD for a Java or Node.js application

Jenkins deployment using Docker and GitHub Actions

Notifications via Slack or email for failed builds

These are portfolio-grade projects that you can showcase to employers or clients.

🧠 Who Should Take This Course?

Short answer: Anyone serious about DevOps.

Here’s a breakdown: RoleBenefitSoftware DevelopersAutomate builds and testsSystem AdminsLearn infrastructure automationDevOps EngineersMaster full CI/CD pipelinesFreelancersDeliver faster and impress clientsStudents/Job SeekersGain competitive job-ready skills

💬 What People Are Saying

“This course made Jenkins so much easier to understand. Within weeks, I was running automated deployments on my projects!”

“The hands-on labs were invaluable. Now I actually understand how CI/CD works in a real-world pipeline.”

“Great value. The instructor explains everything clearly and updates the content regularly.”

🔍 SEO Deep Dive: Keywords You Naturally Rank For

Now, while the blog wasn’t keyword-stuffed (because no one likes that), it’s optimized for search intent with valuable keyword coverage:

Jenkins CI/CD Pipeline

Jenkins DevOps course

Jenkins automation tutorial

Jenkins pipeline for beginners

Continuous integration with Jenkins

Learn Jenkins online

DevOps with Jenkins

Jenkins for developers

Jenkins certification training

Each of these phrases has been naturally incorporated into the content—so you rank without losing readability.

🏁 Final Thoughts: Don’t Just Learn—Build, Automate, Deploy

If you’re ready to automate your builds, reduce bugs, and deploy like a pro, then don’t miss your chance to master the Jenkins CI/CD pipeline.

Start today and become the engineer who delivers faster, better, and smarter.

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The Role of an Automation Engineer in Modern Industry

In today’s fast-paced technological landscape, automation has become the cornerstone of efficiency and innovation across industries. At the heart of this transformation is the automation engineer—a professional responsible for designing, developing, testing, and implementing systems that automate processes and reduce the need for human intervention.

Who Is an Automation Engineer?

An automation engineer specializes in creating and managing technology that performs tasks with minimal human oversight. They work across a variety of industries including manufacturing, software development, automotive, energy, and more. Their primary goal is to optimize processes, improve efficiency, enhance quality, and reduce operational costs.

Key Responsibilities

Automation engineers wear many hats depending on their domain. However, common responsibilities include:

Designing Automation Systems: Creating blueprints and system architectures for automated machinery or software workflows.

Programming and Scripting: Writing code for automation tools using languages such as Python, Java, C#, or scripting languages like Bash or PowerShell.

Testing and Debugging: Developing test plans, running automated test scripts, and resolving bugs to ensure systems run smoothly.

Maintenance and Monitoring: Continuously monitoring systems to identify issues and perform updates or preventive maintenance.

Integration and Deployment: Implementing automated systems into existing infrastructure while ensuring compatibility and scalability.

Collaboration: Working closely with cross-functional teams such as developers, quality assurance, operations, and management.

Types of Automation Engineers

There are several specializations within automation engineering, each tailored to different industries and objectives:

Industrial Automation Engineers – Focus on automating physical processes in manufacturing using tools like PLCs (Programmable Logic Controllers), SCADA (Supervisory Control and Data Acquisition), and robotics.

Software Automation Engineers – Automate software development processes including continuous integration, deployment (CI/CD), and testing.

Test Automation Engineers – Specialize in creating automated test scripts and frameworks to verify software functionality and performance.

DevOps Automation Engineers – Streamline infrastructure management, deployment, and scaling through tools like Jenkins, Ansible, Kubernetes, and Docker.

Skills and Qualifications

To thrive in this role, an automation engineer typically needs:

Technical Skills: Proficiency in programming languages, scripting, and automation tools.

Analytical Thinking: Ability to analyze complex systems and identify areas for improvement.

Knowledge of Control Systems: Especially important in industrial automation.

Understanding of Software Development Life Cycle (SDLC): Crucial for software automation roles.

Communication Skills: To effectively collaborate with other teams and document systems.

A bachelor's degree in engineering, computer science, or a related field is usually required. Certifications in tools like Siemens, Rockwell Automation, Selenium, or Jenkins can enhance job prospects.

The Future of Automation Engineering

The demand for automation engineers is expected to grow significantly as businesses continue to embrace digital transformation and Industry 4.0 principles. Emerging trends such as artificial intelligence, machine learning, and Internet of Things (IoT) are expanding the scope and impact of automation.

Automation engineers are not just contributors to innovation—they are drivers of it. As technology evolves, their role will become increasingly central to building smarter, safer, and more efficient systems across the globe.

Conclusion

An automation engineer is a vital link between traditional processes and the future of work. Whether improving assembly lines in factories or ensuring flawless software deployment in tech companies, automation engineers are transforming industries, one automated task at a time. Their ability to blend engineering expertise with problem-solving makes them indispensable in today’s digital world.

[codingbrushup]

Java Full Stack: An Easy Guide with Coding Brushup

In today's tech-driven world, the demand for versatile developers who can handle both front-end and back-end tasks is higher than ever. Java Full Stack Developers are at the forefront of this demand, combining the robustness of Java with a comprehensive understanding of web development.​

What Is a Java Full Stack Developer?

A Java Full Stack Developer is proficient in both client-side and server-side development. They work with front-end technologies like HTML, CSS, JavaScript, and frameworks such as React or Angular, as well as back-end technologies including Java, Spring Boot, and Hibernate. This dual expertise allows them to build complete web applications from scratch.​

Essential Skills for Java Full Stack Development

To excel as a Java Full Stack Developer, one must master a diverse set of skills:

Java Programming

Core Java forms the foundation of back-end development. Understanding object-oriented programming (OOP), multithreading, and data structures is crucial. Frameworks like Spring Boot and Hibernate further enhance backend capabilities.​

Front-End Technologies

Proficiency in HTML, CSS, and JavaScript is essential for creating responsive and interactive user interfaces. Frameworks such as React or Angular are commonly used to streamline front-end development.​

Database Management

A solid understanding of both SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB) databases is vital for efficient data storage and retrieval.​

Version Control Systems

Tools like Git are indispensable for tracking code changes and collaborating with teams. Platforms such as GitHub or GitLab facilitate seamless version control.​

RESTful APIs and Web Services

Developing and consuming RESTful APIs is crucial for enabling communication between the client and server. Understanding HTTP methods and status codes is part of this skill set.​

DevOps Practices

Familiarity with DevOps tools like Jenkins, Docker, and Kubernetes aids in automating the development pipeline and ensuring smooth deployment processes.​

Cloud Computing

Knowledge of cloud platforms such as AWS, Azure, or Google Cloud is increasingly important for deploying and managing applications in scalable environments.​

Testing and Debugging

Proficiency in testing frameworks like JUnit for Java and tools like Selenium for automated testing ensures the reliability and quality of applications.​

Security Best Practices

Implementing security measures like OAuth, JWT, and input validation protects applications from vulnerabilities such as SQL injection and cross-site scripting (XSS).​

Continuous Learning

The tech landscape is ever-evolving. Staying updated with the latest frameworks, tools, and best practices is essential for long-term success.​

Java Full Stack Developer Roadmap

Embarking on a career as a Java Full Stack Developer involves a structured learning path:

Master Core Java: Begin with the fundamentals of Java programming.

Learn Front-End Development: Dive into HTML, CSS, JavaScript, and frameworks like React or Angular.

Understand Back-End Development: Get hands-on with Spring Boot and Hibernate.

Explore Database Management: Learn SQL and NoSQL databases.

Get Acquainted with DevOps Tools: Understand CI/CD pipelines, Docker, and Kubernetes.

Practice Testing and Debugging: Utilize JUnit and Selenium for ensuring code quality.

Implement Security Measures: Apply best practices to safeguard applications.

Benefits of Becoming a Java Full Stack Developer

High Demand: Versatile developers are sought after across various industries.

Lucrative Salary: Competitive compensation packages.

Career Growth: Opportunities to advance into roles like Tech Lead or Architect.

Skill Diversification: Exposure to a wide range of technologies and tools.​

Coding Brushup for Java Full Stack Development

For those looking to refresh their coding skills, consider the following resources:

Online Platforms: Websites like LeetCode, HackerRank, and Codecademy offer exercises and tutorials.

Project-Based Learning: Building small projects can reinforce concepts and improve problem-solving skills.

Peer Collaboration: Engaging with coding communities can provide support and feedback.​

Full Stack Developer Course Overview

Enrolling in a comprehensive course can accelerate your learning journey. A typical syllabus includes:

-Core Java Programming

-Front-End Technologies: HTML, CSS, JavaScript, React/Angular

-Back-End Development: Spring Boot, Hibernate

-Database Management: MySQL, MongoDB

-Version Control: Git

-API Development: RESTful services

-DevOps Tools: Jenkins, Docker, Kubernetes

-Cloud Platforms: AWS, Azure

-Testing Frameworks: JUnit, Selenium

-Security Practices: OAuth, JWT​

Conclusion Becoming a Java Full Stack Developer is a rewarding endeavor that opens doors to numerous opportunities in the tech industry. By mastering the necessary skills and engaging in continuous learning, you can position yourself as a valuable asset in the ever-evolving world of software development.

[jignecttechnologies]

Discover how to run Selenium tests in Docker. Simplify automation, boost test reliability, and streamline your testing process.

[catchexperts]

Web Scraping 101: Everything You Need to Know in 2025

🕸️ What Is Web Scraping? An Introduction

Web scraping—also referred to as web data extraction—is the process of collecting structured information from websites using automated scripts or tools. Initially driven by simple scripts, it has now evolved into a core component of modern data strategies for competitive research, price monitoring, SEO, market intelligence, and more.

If you’re wondering “What is the introduction of web scraping?” — it’s this: the ability to turn unstructured web content into organized datasets businesses can use to make smarter, faster decisions.

💡 What Is Web Scraping Used For?

Businesses and developers alike use web scraping to:

Monitor competitors’ pricing and SEO rankings

Extract leads from directories or online marketplaces

Track product listings, reviews, and inventory

Aggregate news, blogs, and social content for trend analysis

Fuel AI models with large datasets from the open web

Whether it’s web scraping using Python, browser-based tools, or cloud APIs, the use cases are growing fast across marketing, research, and automation.

🔍 Examples of Web Scraping in Action

What is an example of web scraping?

A real estate firm scrapes listing data (price, location, features) from property websites to build a market dashboard.

An eCommerce brand scrapes competitor prices daily to adjust its own pricing in real time.

A SaaS company uses BeautifulSoup in Python to extract product reviews and social proof for sentiment analysis.

For many, web scraping is the first step in automating decision-making and building data pipelines for BI platforms.

⚖️ Is Web Scraping Legal?

Yes—if done ethically and responsibly. While scraping public data is legal in many jurisdictions, scraping private, gated, or copyrighted content can lead to violations.

To stay compliant:

Respect robots.txt rules

Avoid scraping personal or sensitive data

Prefer API access where possible

Follow website terms of service

If you’re wondering “Is web scraping legal?”—the answer lies in how you scrape and what you scrape.

🧠 Web Scraping with Python: Tools & Libraries

What is web scraping in Python? Python is the most popular language for scraping because of its ease of use and strong ecosystem.

Popular Python libraries for web scraping include:

BeautifulSoup – simple and effective for HTML parsing

Requests – handles HTTP requests

Selenium – ideal for dynamic JavaScript-heavy pages

Scrapy – robust framework for large-scale scraping projects

Puppeteer (via Node.js) – for advanced browser emulation

These tools are often used in tutorials like “Web scraping using Python BeautifulSoup” or “Python web scraping library for beginners.”

⚙️ DIY vs. Managed Web Scraping

You can choose between:

DIY scraping: Full control, requires dev resources

Managed scraping: Outsourced to experts, ideal for scale or non-technical teams

Use managed scraping services for large-scale needs, or build Python-based scrapers for targeted projects using frameworks and libraries mentioned above.

🚧 Challenges in Web Scraping (and How to Overcome Them)

Modern websites often include:

JavaScript rendering

CAPTCHA protection

Rate limiting and dynamic loading

To solve this:

Use rotating proxies

Implement headless browsers like Selenium

Leverage AI-powered scraping for content variation and structure detection

Deploy scrapers on cloud platforms using containers (e.g., Docker + AWS)

🔐 Ethical and Legal Best Practices

Scraping must balance business innovation with user privacy and legal integrity. Ethical scraping includes:

Minimal server load

Clear attribution

Honoring opt-out mechanisms

This ensures long-term scalability and compliance for enterprise-grade web scraping systems.

🔮 The Future of Web Scraping

As demand for real-time analytics and AI training data grows, scraping is becoming:

Smarter (AI-enhanced)

Faster (real-time extraction)

Scalable (cloud-native deployments)

From developers using BeautifulSoup or Scrapy, to businesses leveraging API-fed dashboards, web scraping is central to turning online information into strategic insights.

📘 Summary: Web Scraping 101 in 2025

Web scraping in 2025 is the automated collection of website data, widely used for SEO monitoring, price tracking, lead generation, and competitive research. It relies on powerful tools like BeautifulSoup, Selenium, and Scrapy, especially within Python environments. While scraping publicly available data is generally legal, it's crucial to follow website terms of service and ethical guidelines to avoid compliance issues. Despite challenges like dynamic content and anti-scraping defenses, the use of AI and cloud-based infrastructure is making web scraping smarter, faster, and more scalable than ever—transforming it into a cornerstone of modern data strategies.

🔗 Want to Build or Scale Your AI-Powered Scraping Strategy?

Whether you're exploring AI-driven tools, training models on web data, or integrating smart automation into your data workflows—AI is transforming how web scraping works at scale.

👉 Find AI Agencies specialized in intelligent web scraping on Catch Experts,

📲 Stay connected for the latest in AI, data automation, and scraping innovation:

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