1. Install and configure the necessary dependencies
sudo yum install -y curl policycoreutils-python openssh-server sudo systemctl enable sshd sudo systemctl start sshd sudo firewall-cmd --permanent --add-service=http sudo firewall-cmd --permanent --add-service=https sudo systemctl reload firewalld
sudo yum install postfix
sudo systemctl enable postfix
sudo systemctl start postfix
2. Add the GitLab package repository and install the package
curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ee/script.rpm.sh | sudo bash curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.rpm.sh | sudo bash
3. install
yum install -y gitlab-ee
yum install -y gitlab-ce
4. config
/etc/gitlab/gitlab-ce.rb
5. start
gitlab-ctl reconfigure
gitlab-ctl restart
原文：https://www.cnblogs.com/dongbo/p/12355810.html