How to set up Gitlab server under Linux system

1. Install dependent tools

// 安装技术依赖
yum install -y curl policycoreutils-python openssh-server
// 启动ssh服务/设置为开机启动
sudo systemctl enable sshd
sudo systemctl start sshd

2. Install Postfix mail server

// 安装 postfix
sudo yum install -y postfix
// 启动 postfix 并设置为开机启动
sudo systemctl enable postfix
sudo systemctl start postfix

3. Install firewall

yum install firewalld systemd -y

// 开放 ssh、http 服务
sudo firewall-cmd --add-service=ssh --permanent
sudo firewall-cmd --add-service=http --permanent
//  设置防火墙规则
sudo firewall-cmd --reload

4. Add gitlab mirror source and install gitlab server

• Mirror address: https://mirrors.tuna.tsinghua.edu.cn/gitlab-ce/yum/el7/gitlab-ce-13.1.2-ce.0.el7. x86_64.rpm

• The image is a bit large and the download is slow. Depending on the network speed, you need to wait a few minutes or more than ten minutes

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

5 , Install gitlab

The installation process will take some time, please wait patiently. If the following picture appears, it means the installation is successful

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

6. Modify the gitlab configuration after installation file, specify the access server ip and custom port

// 输入编辑命令
vim /etc/gitlab/gitlab.rb
 
// 通过 vim 编辑命名找到 32 行
// 修改访问 URL
// 格式：external_url 'http://ip:端口'
external_url 'http://119.29.xx.xxx:8081'

• Note that the port set here cannot be occupied, the default is port 8080, if 8080 is already used , please customize other ports, like I used 8081 here, you need to open the corresponding port in the firewall settings

• After configuring, you still need to modify one thing, remove puma['port '] = 8080 The previous comment #, and modify the port number, pay attention to distinguish it from the above port, I used 8082

##

// 开放 8081、8082 端口
firewall-cmd --permanent --zone=public --add-port=8081/tcp
firewall-cmd --permanent --zone=public --add-port=8082/tcp
 
// 重新加载防火墙配置
firewall-cmd --reload

7 , Reset Gitlab (make the modified configuration take effect)

• If the reset process gets stuck during action run, you can solve it by executing the following command

• After the stuck problem is solved, you need to reset gitlab

• The reset process may take a few minutes, just wait patiently!

• When gitlab Reconfigured! appears, it means OK.

// 重置 gitlab
gitlab-ctl reconfigure
 
// 解决重置过程中卡住问题
systemctl restart gitlab-runsvdir

8. Start gitlab and access it through the ip port

gitlab-ctl start      // 启动所有 gitlab 组件；
gitlab-ctl stop       // 停止所有 gitlab 组件；
gitlab-ctl restart    // 重启所有 gitlab 组件；
gitlab-ctl status     // 查看服务状态；
gitlab-ctl reconfigure        // 刷新配置文件；
vim /etc/gitlab/gitlab.rb     // 修改默认的配置文件；
gitlab-rake gitlab:check SANITIZE=true --trace    // 检查gitlab；
gitlab-ctl tail        // 查看日志；

9. Log in gitlab

##Account: root
Password can be viewed in the file /etc/gitlab/initial_root_password

• cat /etc/gitlab/initial_root_password

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