How to install GitlabCE on CentOS7

In daily software development, code version management is a very important part. Git is currently one of the most popular code version management tools, and GitlabCE is an open source version of Gitlab that can be deployed on your own server to easily manage your own code base. This article will introduce the process of installing GitlabCE on CentOS 7.

1. Preparation

Before starting the installation, you need to ensure that the following software packages are installed on the server:

1. yum-utils
2. curl
3. policycoreutils-python

If it is not installed, you can use the following command to install it:

sudo yum install -y yum-utils curl policycoreutils-python

Next, you need to add the GitlabCE software source. You can use the following command:

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

2. Install GitlabCE

1. Install GitlabCE

Use the following command to install GitlabCE:

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

where , "http://gitlab.example.com" should be replaced with your own Gitlab address.

2. Start GitlabCE

Use the following command to start GitlabCE:

sudo systemctl start gitlab-runsvdir.service

3. Auto-start at boot

Use the following Command to set GitlabCE to start automatically at boot:

sudo systemctl enable gitlab-runsvdir.service

3. Configure GitlabCE

1. Firewall settings

If the firewall is enabled on the server, the port of GitlabCE needs to be opened , namely HTTP (80) and HTTPS (443) ports. You can use the following command to open the port:

sudo firewall-cmd --permanent --add-service=http
sudo firewall-cmd --permanent --add-service=https
sudo systemctl reload firewalld

2. Configure SMTP server

In GitlabCE, you can use the SMTP server to send emails, such as password reset, new user registration, etc. . You need to set up the email configuration according to your own SMTP server. You can modify the following configuration in the "/etc/gitlab/gitlab.rb" file:

gitlab_rails['smtp_enable'] = true
gitlab_rails['smtp_address'] = "smtp.example.com"
gitlab_rails['smtp_port'] = 25
gitlab_rails['smtp_user_name'] = "user@example.com"
gitlab_rails['smtp_password'] = "password"
gitlab_rails['smtp_domain'] = "example.com"
gitlab_rails['smtp_authentication'] = "login"
gitlab_rails['smtp_enable_starttls_auto'] = true

Among them, "smtp.example.com" should be replaced with your own SMTP server address, "user@example.com" and "password" are replaced with the username and password of the SMTP server respectively, and "example.com" is replaced with the domain name of the SMTP server.

After modifying the configuration, you need to reload the configuration:

sudo gitlab-ctl reconfigure

3. Change the administrator password

When you log in to GitlabCE for the first time, an administrator account will be automatically created and provide the initial password. For security reasons, the administrator password should be changed as soon as possible. You can change the password in "Admin Area" -> "Overview" -> "Change Your Password" after logging in to GitlabCE.

4. Summary

This article introduces the process of installing GitlabCE on CentOS 7, including adding GitlabCE software source, installing GitlabCE, configuring GitlabCE, etc. I hope this article will be helpful to readers when installing GitlabCE.

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