How to install Gitlab On CentOS 8

Yarpii

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Dec 6, 2019
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Install self-managed GitLab
We strongly recommend choosing the official Linux package installation since it is quicker to install, easier to upgrade, and it contains features to enhance reliability not found in other methods. We also strongly recommend at least 4GB of RAM to run GitLab.

Official Linux package (recommended installation)
Install via a single package (also known as Omnibus) that bundles all the different services and tools required to run GitLab

https://about.gitlab.com/install/#ubuntu


1. Install and configure the necessary dependencies
On CentOS 8 (and RedHat 8), the commands below will also open HTTP, HTTPS and SSH access in the system firewall.
Code:
sudo dnf install -y curl policycoreutils openssh-server
sudo systemctl enable sshd
sudo systemctl start sshd

# Check if opening the firewall is needed with: sudo systemctl status firewalld
sudo firewall-cmd --permanent --add-service=http
sudo firewall-cmd --permanent --add-service=https
sudo systemctl reload firewalld
Next, install Postfix to send notification emails. If you want to use another solution to send emails please skip this step and configure an external SMTP server after GitLab has been installed.
Code:
sudo dnf install postfix
sudo systemctl enable postfix
sudo systemctl start postfix
During Postfix installation a configuration screen may appear. Select 'Internet Site' and press enter. Use your server's external DNS for 'mail name' and press enter. If additional screens appear, continue to press enter to accept the defaults.

2. Add the GitLab package repository and install the package
Add the GitLab package repository.
Code:
curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ee/script.rpm.sh | sudo bash
Next, install the GitLab package. Change https://gitlab.example.com to the URL at which you want to access your GitLab instance. Installation will automatically configure and start GitLab at that URL.

For https:// URLs GitLab will automatically request a certificate with Let's Encrypt, which requires inbound HTTP access and a valid hostname. You can also use your own certificate or just use http://.
Code:
sudo EXTERNAL_URL="https://gitlab.example.com" dnf install -y gitlab-ee
3. Browse to the hostname and login
On your first visit, you'll be redirected to a password reset screen. Provide the password for the initial administrator account and you will be redirected back to the login screen. Use the default account's username root to login.

See our documentation for detailed instructions on installing and configuration.

4. Set up your communication preferences
Visit our email subscription preference center to let us know when to communicate with you. We have an explicit email opt-in policy so you have complete control over what and how often we send you emails.

Twice a month, we send out the GitLab news you need to know, including new features, integrations, docs, and behind the scenes stories from our dev teams. For critical security updates related to bugs and system performance, sign up for our dedicated security newsletter.

Important note: If you do not opt-in to the security newsletter, you will not receive security alerts.

5. Configure sign-up restrictions and sign-in preferences.
After completing your installation, consider the recommended practices to secure your GitLab instance.