How to set up a personal GitLab server on the Ubuntu operating system

GitLab is an open source source code management tool that can help developers easily manage code and projects. It is a similar tool to GitHub but has some unique features such as integrated CI/CD process and automatic code deployment. While there are many online GitLab service providers, building your own GitLab server provides more customization options and better control.

This article will introduce how to set up a personal GitLab server on the Ubuntu operating system. The process is very simple and only requires some basic command line knowledge and basic understanding of Ubuntu systems.

Step 1: Install the necessary software

Before starting to install GitLab, we need to install some necessary software.

Open a terminal and enter the following command:

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

This will update the operating system and install other necessary software such as SSH server, CA certificate, and mail transfer agent Postfix.

Step 2: Install GitLab

To install GitLab, you need to use the repository officially provided by GitLab. To add it to our system, enter the following command:

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

Once added, use the following command to install GitLab Community Edition (CE) or GitLab Enterprise Edition (EE), as per your choice.

Install GitLab CE:

sudo apt-get install gitlab-ce

Install GitLab EE:

sudo apt-get install gitlab-ee

The process will take some time as it will download and install all the necessary packages.

Step 3: Configure GitLab

After GitLab is installed, we need to perform some basic configurations. First, enter the following command to edit GitLab's configuration file:

sudo nano /etc/gitlab/gitlab.rb

You may need to enter a password to open the file. In this file you can find many configuration options that can be changed according to your needs. Here, we will change the external URL of GitLab. GitLab can be accessed using IP address or domain name.

Find the following line of code:

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

Uncomment it and change it to your IP address or domain name, as shown below:

external_url 'http://your_ip_address'

Save and close the file. Then, reconfigure GitLab by running the following command:

sudo gitlab-ctl reconfigure

The process will take a while to reconfigure GitLab as it will restart all necessary services.

Step 4: Access GitLab

Now, you can access GitLab through your browser. Simply enter your IP address or domain name, followed by "/" as shown below:

http://your_ip_address/

The first time you access GitLab, you will need to set up an administrator account. Fill in the username and password according to the prompts.

Once completed, you can log into GitLab using your new administrator credentials and get started.

Conclusion

Now, you have successfully set up your personal GitLab server. You can start managing your own code and projects, complete collaborative development, and more. Understanding and using GitLab is very important, it can help you become a more collaborative and efficient developer.

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