How to install gitlab server under linux

In the modern software development process, code management tools are an integral part. GitLab is a very popular open source code hosting and management platform that provides a complete workflow and a series of powerful features, such as version control, issue tracking, integration testing, and continuous integration. In this article, I will explain how to install GitLab on a Linux server.

1. Determine system requirements

Before installing GitLab, please confirm whether your server meets the requirements. GitLab supports multiple operating systems, including Ubuntu, Debian, CentOS, and Fedora, among others. For this article, I will use Ubuntu 20.04 as a demonstration example.

Your server requires at least 2GB of RAM and 4GB of disk space, and it is recommended to use 2 CPU cores or more to ensure performance.

2. Install necessary dependencies

Before installing GitLab, you need to install some necessary dependencies. On Ubuntu systems, you can use the apt-get command to install them.

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

3. Install PostgreSQL database

GitLab supports a variety of databases, including PostgreSQL, MySQL and Oracle. In this article, we will use PostgreSQL. You can install it in Ubuntu using the following command.

sudo apt-get install -y postgresql postgresql-contrib libpq-dev

After the installation is complete, you need to create a GitLab user account. Execute the following command:

sudo -u postgres createuser gitlab --createdb

4. Install GitLab

Now it’s time to install GitLab. You can get the latest version of the installation script from the GitLab official website.

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

This script will add the GitLab repository and update the apt cache. Next, you can install GitLab using the following command.

sudo apt-get install -y gitlab-ce

The installation process may take a few minutes. After the installation is complete, you can start GitLab with the following command.

sudo gitlab-ctl reconfigure

5. Access GitLab

Now you can access your GitLab server through any web browser. In your web browser, enter the server's IP address or domain name, for example:

http://yourserverIP/

The first time you access GitLab, you will need to set an administrator password. Once completed, your GitLab instance will be ready and you can start creating projects, adding members, etc.

In this article, we introduce how to install GitLab on Ubuntu server. Installation is very simple and completes in minutes. You can start using GitLab now to host and manage your code and make your software development process more efficient and productive.

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