centos7 installs the latest stable version of gitlab

In the development team, the version control tool Git has become an essential tool. GitLab is a Web platform based on Git. Based on Git, it provides multiple functions such as code hosting, issue tracking, and CI/CD pipelines, which can help teams develop software more efficiently. This article will introduce how to install the latest stable version of GitLab on CentOS 7 system.

Step one: Install the required dependent software

Before installing GitLab, we need to install several necessary software packages. Use the following command to install:

sudo yum install curl policycoreutils openssh-server openssh-clients postfix

Among them, Postfix is ​​a mail transfer agent software and must be installed first.

Step 2: Install GitLab

Before installing GitLab, you must first add the GitLab repository. Use the following command:

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

Now, we can use yum to install GitLab. Use the following command:

sudo EXTERNAL_URL="http://gitlab.example.com" yum install -y gitlab-ee

Please note that the "http://gitlab.example.com" in the above command is the actual hostname or IP address you are using. If you need to use HTTPS, just change the address to https and also configure the certificate for nginx.

Wait for the installation process to finish.

Step 3: Configure GitLab

After the installation is completed, we need to perform some necessary configurations on GitLab, including email service, Domain name configuration, etc.

1. Configuring the email service

GitLab relies on the email service to send notification emails. You can use Postfix or SMTP server. Here we introduce how to use SMTP server.

Open the /etc/gitlab/gitlab.rb file and search for SMTP settings.

sudo vim /etc/gitlab/gitlab.rb

Add the following content at the end, save and exit:

gitlab_rails['smtp_enable'] = true
gitlab_rails['smtp_address'] = "smtp.gmail.com"
gitlab_rails['smtp_port'] = 587
gitlab_rails['smtp_user_name'] = "your-email@gmail.com"
gitlab_rails['smtp_password'] = "your-email-password"
gitlab_rails['smtp_authentication'] = "login"
gitlab_rails['smtp_enable_starttls_auto'] = true
gitlab_rails['smtp_tls'] = false

In the above code, we used Gmail as the SMTP server and configured your email address and password. You can change it according to your needs.

2. Configuring the domain name

Before configuring the domain name, we need to confirm whether the firewall has been set up correctly. GitLab requires TCP ports 80 and 443 to be open.

sudo firewall-cmd --zone=public --add-port=80/tcp --permanent
sudo firewall-cmd --zone=public --add-port=443/tcp --permanent
sudo firewall-cmd --reload

Add the following content in the /etc/gitlab/gitlab.rb file:

external_url 'http://gitlab.example.com:9080'

We can also use HTTPS, just change the external_url configuration to https.

3. Reconfigure GitLab

After completing the above configuration, we need to reconfigure GitLab for the changes to take effect. Use the following command to reconfigure:

sudo gitlab-ctl reconfigure

After the configuration is completed, you can use the browser to access the GitLab interface and start using it.

Summary

GitLab is a powerful Git-based team collaboration platform that can facilitate team development. In this article, we introduce how to install the latest stable version of GitLab on CentOS7, we hope it will be helpful to you.

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