How to build a gitlab environment in linux

GitLab is an open source code hosting system that can help teams establish private Git repositories, code reviews, issue tracking, continuous integration and release. Building GitLab in a Linux environment can provide a convenient code management platform. In this article, we will introduce how to set up GitLab in a Linux environment.

1. Install necessary software

Before installing GitLab, we need to ensure that the following software has been installed:

• Git
• curl
• openssh-server
• ca-certificates
• postfix

These software can be installed with the following command:

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

2. Install GitLab

You can install GitLab through the GitLab official repository:

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

Then, install GitLab through the following command:

$ sudo apt-get install gitlab-ce

After the installation is completed, You can start GitLab through the following command:

$ sudo gitlab-ctl reconfigure

3. Configure GitLab

To access GitLab, you need to set up an administrator account and password for the first login. Next, GitLab can be configured through the admin page.

3.1 Configure SMTP server

Email notification on GitLab requires an SMTP server, here we will use Postfix to configure it.

In the /etc/gitlab/gitlab.rb file, add the following:

gitlab_rails['smtp_enable'] = true
gitlab_rails['smtp_address'] = "smtp.gmail.com"
gitlab_rails['smtp_port'] = 587
gitlab_rails['smtp_user_name'] = "your_email@example.com"
gitlab_rails['smtp_password'] = "your_password"
gitlab_rails['smtp_domain'] = "example.com"
gitlab_rails['smtp_authentication'] = "login"
gitlab_rails['smtp_enable_starttls_auto'] = true
gitlab_rails['smtp_tls'] = false

Replace smtp_address, smtp_user_name and smtp_password are your own information.

Then reconfigure GitLab:

$ sudo gitlab-ctl reconfigure

3.2 Configure HTTPS

Enabling HTTPS can improve the security of GitLab. Here we will use Let's Encrypt to generate a free SSL certificate.

First, install Certbot:

$ sudo apt-get install certbot python-certbot-nginx

Then, run the following command to generate the certificate:

$ sudo certbot certonly --standalone -d example.com -d www.example.com

Replace example.com and www. example.com is your own information.

The generated certificate and key are located in the /etc/letsencrypt/live/example.com/ directory.

In the /etc/gitlab/gitlab.rb file, add the following content:

nginx['redirect_http_to_https'] = true
nginx['ssl_certificate'] = "/etc/letsencrypt/live/example.com/fullchain.pem" # 替换为您的证书路径
nginx['ssl_certificate_key'] = "/etc/letsencrypt/live/example.com/privkey.pem" # 替换为您的密钥路径

Then reconfigure GitLab:

$ sudo gitlab-ctl reconfigure

Configure in the domain name Specify the certificate file in to enable HTTPS.

4. Using GitLab

Now, you can access GitLab through your browser. The default URL is http://your_server_ip or https://your_domain.

Create a project on GitLab, upload code, add members, conduct code reviews, etc.

Summary

This article introduces the steps to build GitLab in a Linux environment. First install the necessary software, then install GitLab, configure the SMTP server and HTTPS, and finally use GitLab for code management. By building GitLab, we can provide a management platform for teams to share code, improve code collaboration efficiency, and facilitate code development and maintenance.

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