Introduction

GitLab is a web-based DevOps lifecycle tool that provides a Git repository manager providing wiki, issue-tracking, and continuous integration and deployment pipeline features. In this guide, we'll walk through the steps to install and configure GitLab on Ubuntu.

Prerequisites

Before proceeding, ensure you have:

1. An Ubuntu server with at least 4GB of RAM and 2 CPU cores
2. Root access or a user account with sudo privileges

Steps to Install GitLab on Ubuntu

1. Install Dependencies: Update the package index and install necessary dependencies:

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

1. Add GitLab Repository: Add the GitLab package repository:

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

1. Install GitLab: Install the GitLab Community Edition package:

sudo EXTERNAL_URL="http://gitlab.example.com" apt install gitlab-ce

Replace http://gitlab.example.com with your desired GitLab URL.

Configure GitLab

1. Initial Setup: After the installation is complete, open a web browser and navigate to the GitLab URL you configured earlier.
2. Set Password: Set the password for the default administrator account.
3. Login: Log in with the default username root and the password you set.
4. Explore GitLab: Explore the GitLab interface and customize settings as needed.

Conclusion

Congratulations! You have successfully installed and configured GitLab on your Ubuntu server. You can now start using GitLab to manage your repositories and streamline your DevOps workflows.