151 lines
2.3 KiB
Markdown
Executable File
151 lines
2.3 KiB
Markdown
Executable File
# CentOS 安装 Jenkins
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> Jenkins 持续集成服务部署
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---
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## 前提条件
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安装 Java（Jenkins 需要 Java 环境）：
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```bash
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sudo yum install -y java-11-openjdk java-11-openjdk-devel
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```
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验证：
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```bash
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java -version
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```
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---
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## 安装 Jenkins
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### 1. 添加 Jenkins 源
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```bash
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sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo
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```
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### 2. 导入密钥
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```bash
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sudo rpm --import https://pkg.jenkins-ci.org/redhat/jenkins-ci.org.key
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```
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### 3. 安装 Jenkins
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```bash
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sudo yum install -y jenkins
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```
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---
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## 配置
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### 重要目录
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| 路径 | 说明 |
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|------|------|
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| `/var/lib/jenkins/` | Jenkins 主目录 |
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| `/etc/sysconfig/jenkins` | 配置文件 |
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| `/var/log/jenkins/` | 日志目录 |
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### 关键配置项
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```bash
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sudo vim /etc/sysconfig/jenkins
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```
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```ini
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JENKINS_HOME="/var/lib/jenkins" # 主目录
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JENKINS_USER="jenkins" # 运行用户
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JENKINS_PORT="8080" # 默认端口
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```
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---
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## 授权
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让 Jenkins 用户有权限执行相关操作：
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```bash
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# 添加到 docker 组（如果需要操作 Docker）
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sudo usermod -a -G docker jenkins
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# 设置目录权限
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sudo chown -R jenkins:jenkins /var/lib/jenkins
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sudo chown -R jenkins:jenkins /var/log/jenkins
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```
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---
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## 启动 Jenkins
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```bash
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# 开机自启
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sudo systemctl enable jenkins
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# 启动
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sudo systemctl start jenkins
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# 查看状态
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sudo systemctl status jenkins
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# 重启
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sudo systemctl restart jenkins
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```
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---
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## 访问 Jenkins
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1. 浏览器打开：`http://服务器IP:8080`
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2. 首次访问需要解锁：
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```bash
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# 查看初始管理员密码
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sudo cat /var/lib/jenkins/secrets/initialAdminPassword
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```
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3. 按提示完成安装向导
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---
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## 常用命令
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```bash
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# 启动/停止/重启
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sudo systemctl start jenkins
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sudo systemctl stop jenkins
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sudo systemctl restart jenkins
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# 查看密码
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sudo cat /var/lib/jenkins/secrets/initialAdminPassword
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# 卸载
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sudo yum remove jenkins
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sudo rm -rf /var/lib/jenkins
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sudo rm -rf /var/log/jenkins
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```
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---
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## 常见问题
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### 端口被占用
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修改端口：
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```bash
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sudo vim /etc/sysconfig/jenkins
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# 修改 JENKINS_PORT="8080" 为其他端口
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sudo systemctl restart jenkins
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```
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### 权限问题
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```bash
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sudo chown -R jenkins:jenkins /var/lib/jenkins
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sudo chmod -R 755 /var/lib/jenkins
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```
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