Jenkins Automation - "Complete Jenkins Setup Ubuntu मध्ये! | jenkins installation in ubuntu - मराठी

Here's a step-by-step guide to install Jenkins on an Ubuntu machine (Ubuntu 20.04, 22.04, or similar versions):

---

✅ Step-by-Step Jenkins Installation on Ubuntu

🧱 1. Update your system

```bash
sudo apt update
sudo apt upgrade -y
```

---

📦 2. Install Java

Jenkins requires Java 11 or 17 (depending on version). Install OpenJDK 11:

```bash
sudo apt install openjdk-11-jdk -y
```

Verify Java is installed:

```bash
java -version
```

---

🌐 3. Add Jenkins Repository

a. Add the GPG key:

```bash
curl -fsSL pkg.jenkins.io/debian/jenkins.io-2023.key | sudo tee \
/usr/share/keyrings/jenkins-keyring.asc /dev/null
```

b. Add the Jenkins apt repository:

```bash
echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] \
/pkg.jenkins.io/debian binary/ | sudo tee \
/etc/apt/sources.list.d/jenkins.list /dev/null
```

---

🔄 4. Update and Install Jenkins

```bash
sudo apt update
sudo apt install jenkins -y
```

---

▶️ 5. Start and Enable Jenkins

```bash
sudo systemctl start jenkins
sudo systemctl enable jenkins
```

---

🔐 6. Access Jenkins Web Interface

Open your browser and go to:

```
your-server-ip:8080
```

To find the initial admin password:

```bash
sudo cat /var/lib/jenkins/secrets/initialAdminPassword
```

Copy the password and paste it into the browser to unlock Jenkins.

---

✅ 7. Install Suggested Plugins and Set Up Admin User

After unlocking Jenkins in the browser, choose:

*Install suggested plugins
* Create an admin user
* Start using Jenkins!

---

🔁 Optional: Open Port 8080 (if using UFW)

```bash
sudo ufw allow 8080

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