How to install GitLab on CentOS 7 system

GitLab is an open source code hosting platform that can easily achieve team collaboration and development. It provides a comprehensive Git warehouse management system, integrates many plug-ins, and supports various popular languages ​​and frameworks. This article will introduce how to install GitLab on CentOS 7 system.

Step 1: Install the necessary dependencies

Before installing GitLab, you need to install some necessary dependencies. Open a terminal window and run the following command:

sudo yum update -y
sudo yum install curl openssh-server openssh-clients postfix cronie -y

The above command will update the system and install the mail server (Postfix) and scheduled tasks (Cronie).

Step 2: Install GitLab

Run the following command to add the GitLab package and install it:

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

The installer will automatically download the package from the GitLab official repository and Install it into the system.

Step 3: Configure GitLab

After completing the installation of GitLab, you need to configure it according to your own needs.

Edit GitLab configuration file:

sudo vi /etc/gitlab/gitlab.rb

In this file, you can change GitLab's configuration options, such as port number and HTTPS protocol, etc. Some of the common options are as follows:

external_url 'http://yourdomain.com'  # 更改GitLab的URL地址
gitlab_rails['smtp_enable'] = true  # 启用邮件交付
gitlab_rails['smtp_address'] = "smtp.gmail.com"  # 指定邮件服务器
gitlab_rails['smtp_port'] = 587  # 指定邮件服务端口
gitlab_rails['smtp_user_name'] = "youremail@gmail.com"  # 指定发件人邮箱
gitlab_rails['smtp_password'] = "password"  # 指定发件人邮箱密码

After changing the configuration options, you need to reload the configuration file:

sudo gitlab-ctl reconfigure

Step 4: Start GitLab

After completing the configuration, you can start the GitLab service :

sudo gitlab-ctl start

GitLab will run on the default port 80 and can be accessed in a web browser with the IP address and port number of your GitLab instance. On your first visit, you will need to set up an administrator account and password.

Step 5: Access GitLab

After completing the above steps, you can access the URL address of the GitLab instance in a web browser. If the external URL option is set, GitLab should be accessed at that URL address.

Enter the GitLab URL address in your web browser and follow the instructions on the page to set up an administrator account and password. Once set up, you can create projects on GitLab, add users, manage permissions, and more.

Summary

This article introduces how to install GitLab and configuration options on CentOS 7 systems. GitLab is an open source code hosting platform, ideal for team collaboration and development. Welcome to try it!

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