Let’s talk about how to install gitlab and Jenkins together

In the process of software development, version control and continuous integration are very important links. Gitlab is an easy-to-use and very popular version control tool, and Jenkins is an open source continuous integration tool. In actual work, many developers need to install Gitlab and Jenkins together. This article will detail the steps and precautions on how to install Gitlab and Jenkins together.

Step one: Install Gitlab
First, you need to download the Gitlab installation package from the official website, and then install it according to the official documentation. After completing the installation, you need to modify the Gitlab configuration file to allow Gitlab to connect to Jenkins.

The specific configuration steps are as follows:

1. Modify the configuration file

Enter the root directory of Gitlab, find the gitlab.rb file, open the file through the editor, and then find The following line of code:

external_url 'http://gitlab.example.com'

Change 'http://gitlab.example.com' to the actual Gitlab URL address. For example, if the access address of Gitlab is http://192.168.1.2, you need to modify the above code to:

external_url 'http://192.168.1.2'

2. Restart Gitlab

After the modification is completed, you need to restart Gitlab through the following command:

sudo gitlab-ctl reconfigure

After restarting, Gitlab can be used.

Step 2: Install Jenkins
Jenkins installation is also very simple. You only need to download the installation package from the official website and install it according to the official documentation. After the installation is complete, you need to install the Git Plugin plug-in and Gitlab plug-in in the Jenkins plug-in manager.

The plug-in installation steps are as follows:

1. Click "System Management"->"Plug-in Management"->"Optional Plug-in";
2. Search for "Git Plugin" and "Gitlab Plugin";
3. Select the plug-in and click the "Install Directly" button;
4. Wait for the plug-in installation to complete.

Step 3: Connect Gitlab and Jenkins
After completing the installation of Gitlab and Jenkins, you need to connect them. The specific steps are as follows:

1. Find the Gitlab configuration item in Jenkins' "System Management" -> "System Settings";
2. Fill in the Gitlab URL address, access token and account number Password;
3. Click the "Test Connection" button to confirm whether the connection is successful.

If the connection is successful, you can use Gitlab in Jenkins. When creating a new Jenkins project, you can choose to use Git as version control, and then fill in the URL address and warehouse address of Gitlab.

Summary
Installing Gitlab and Jenkins together can better achieve version control and continuous integration. You only need to configure it according to the above steps. However, you need to pay attention to some things during the installation process, such as filling in the parameter configuration correctly and ensuring network communication between Gitlab and Jenkins.

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