1.下载gitlab包
https://mirrors.tuna.tsinghua.edu.cn/gitlab-ce/yum/el7/gitlab-ce-13.1.2-ce.0.el7.x86_64.rpm

2.安装gitlab

rpm -ivh gitlab-ce-13.1.2-ce.0.el7.x86_64.rpm

3.修改配置

vim /etc/gitlab/gitlab.rb

#修改访问URL
#格式：external_url 'http://ip:端口'
external_url 'http://192.168.80.128:8081'

4. 重新加载配置

gitlab-ctl reconfigure

5.关闭防火墙

systemctl stop firewalld
systemctl disable firewalld