How to install gitlab on Ubuntu 18.04 (tutorial)

Git has become a widely used tool for code management and version control. Git is an open source distributed version control system that operates based on the command line interface of the Linux operating system. Git can help software developers perform code management and version control in different development environments. Git is a relatively easy tool to learn, but its use can become difficult when large amounts of code need to be managed. In order to simplify the use of Git, graphical management tools like GitLab emerged as the times require.

GitLab is an open source Git management tool that helps people perform Git code management and version control on a web interface. Its main functions include code merge requests, code reviews, CI/CD automated deployment, etc. GitLab can be installed on a local server or using its cloud service.

This article will explain how to install GitLab on your own server. Before you begin, make sure your server has at least 4GB of memory, two quad-core processors, and Ubuntu 18.04 operating system installed.

Step 1: Install dependencies

Before installing GitLab, you need to install some dependencies in the server. Open a terminal and enter the following command:

sudo apt-get update
sudo apt-get install -y curl openssh-server ca-certificates postfix

Postfix is ​​an SMTP mail server used for administrator notifications in GitLab. It can also be installed with other mail servers such as Exim instead. Here we use Postfix.

Step 2: Install GitLab

Before installing GitLab, we need to first add the GitLab repository and download the installation script. We can use the following command to add GitLab to the Ubuntu software repository:

curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh | sudo bash

Then, we can use the following command to download the GitLab installation script:

sudo apt-get install gitlab-ce

At this point, GitLab has been installed and running in the system. We can access the server's IP address or domain name in the browser and see the GitLab welcome page.

Step 3: Configure GitLab

Before you start using GitLab, you need to perform some basic configurations. Open the browser, enter the GitLab welcome page, and then follow the following steps to configure:

1. Enter the administrator username, password and email address;
2. Configure the GitLab server address, you can use the default Configuration;

3. Set some general configuration, such as server name, time, etc.;
4. Configure the mail server so that GitLab can notify the administrator by email.

After completing these steps, GitLab is ready and you can start using the tool.

Conclusion

Through this article, you have learned how to install GitLab on the Ubuntu 18.04 operating system. The installation process is relatively easy, but you need to ensure that sufficient resources are installed on the server. If you perform code management and version control work frequently, GitLab is a very good choice, and it will help you perform these tasks easily and efficiently.

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