A Step-by-Step Guide to Installing Jenkins on CentOS 7
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Summary: Learn how to install Jenkins on CentOS 7 with this comprehensive step-by-step guide. Follow these instructions to set up Jenkins for your continuous integration and continuous deployment needs.
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Jenkins is a popular open-source automation server used for continuous integration and continuous delivery (CI/CD) tasks. Installing Jenkins on CentOS 7 is a straightforward process, and this guide will walk you through each step.
Step 1: Update System Packages
Before installing Jenkins, ensure your CentOS 7 system is up-to-date by running the following commands:
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Step 2: Install Java Development Kit (JDK)
Jenkins requires Java to run. Install the Java Development Kit (JDK) using the following command:
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Step 3: Add Jenkins Repository
Import the Jenkins repository GPG key to your system using the following command:
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Next, create a Jenkins repository file:
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Add the following lines to the file:
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Save the file and exit the text editor.
Step 4: Install Jenkins
Once the repository is added, install Jenkins using the following command:
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Step 5: Start Jenkins Service
After the installation is complete, start the Jenkins service and enable it to start on boot:
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Step 6: Adjust Firewall Settings
If your firewall is enabled, you need to allow traffic on port 8080, which is the default port Jenkins runs on:
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Step 7: Access Jenkins Web Interface
You can now access the Jenkins web interface by navigating to your server’s IP address or domain name followed by port 8080 in a web browser:
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During the initial access, Jenkins will ask you to unlock it by providing the administrator password. You can find this password in the Jenkins server logs:
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Follow the on-screen instructions to complete the setup process.
Step 8: Install Recommended Plugins
Once Jenkins is unlocked, you’ll be prompted to install recommended plugins or select custom plugins. Choose the recommended plugins option for most general use cases.
Step 9: Create Admin User
After the plugin installation is complete, create an admin user and provide any additional configuration as needed.
Step 10: Start Using Jenkins
With Jenkins installed and configured, you’re ready to start creating projects, pipelines, and automating your development workflows.
That’s it! You’ve successfully installed Jenkins on CentOS 7 and are ready to streamline your continuous integration and continuous delivery processes.
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