Скачать или смотреть Jenkins Tutorial for Beginners – Full Guide to CI/CD (2025)

New to Jenkins? In this beginner-friendly tutorial, you’ll learn **what Jenkins is, how it works, and how to set it up for your own projects**. Jenkins is one of the most popular open-source automation tools used to implement **CI/CD pipelines**—making it a must-know for developers, DevOps engineers, and testers.

By the end of this tutorial, you’ll have Jenkins installed, configured, and running your first automated job!

🔹 What You’ll Learn:

What Jenkins is and why it’s used
Installing Jenkins on Windows, macOS, or Linux
Setting up Jenkins for the first time
Understanding Jenkins architecture and pipeline basics
Creating and running your first Jenkins job
Integrating GitHub or Git repositories
Installing plugins to enhance Jenkins functionality
Creating and running freestyle and pipeline jobs
Scheduling builds with cron-style triggers
Basic CI/CD workflow demonstration

📌 Installation Steps:

1. Install Java (JDK 11 or later)
2. Download Jenkins from: [https://www.jenkins.io/download](https://www.jenkins.io/download)
3. Run the Jenkins installer and open `http://localhost:8080` in your browser
4. Unlock Jenkins with the admin password
5. Install suggested plugins
6. Create your admin user and start building!

📁 Sample Pipeline Code:

```groovy
pipeline {
agent any
stages {
stage('Build') {
steps {
echo 'Building the project...'
}
}
stage('Test') {
steps {
echo 'Running tests...'
}
}
stage('Deploy') {
steps {
echo 'Deploying application...'
}
}
}
}
```

💡 Tips for Beginners:

Keep plugins minimal to reduce maintenance
Use GitHub webhooks for automatic builds
Always back up Jenkins configuration and jobs

✅ Ideal for developers, testers, and DevOps engineers starting with CI/CD.

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