Shell脚本一键搭建LNMP 环境

0x00前言

Nginx:  nginx/1.20.1
MariaDB:  5.5.68-MariaDB
PHP: PHP 7.4.33
 

0x01脚本

#!/bin/bash

# 确保以 root 用户身份运行
if [ "$(id -u)" -ne 0 ]; then
    echo "请使用 root 用户或 sudo 权限运行该脚本"
    exit 1
fi

# 开启错误处理
set -e

echo "准备更换 YUM 源..."
# 备份旧的 YUM 源
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup 2>/dev/null || true

# 更换为阿里云镜像源
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
yum clean all
yum makecache fast

echo "系统更新中..."
yum -y update

echo "安装基础工具..."
yum -y install wget vim net-tools unzip epel-release

echo "安装 Nginx..."
yum -y install nginx
systemctl start nginx
systemctl enable nginx
systemctl status nginx

echo "配置防火墙..."
systemctl start firewalld
systemctl enable firewalld
firewall-cmd --permanent --add-service=http
firewall-cmd --permanent --add-service=https
firewall-cmd --reload

echo "安装 MariaDB 数据库..."
yum -y install mariadb-server mariadb
systemctl start mariadb
systemctl enable mariadb
systemctl status mariadb

echo "安装 PHP 7.4..."
yum -y install https://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum -y install yum-utils
yum-config-manager --enable remi-php74
yum -y install php php-fpm php-mysqlnd php-cli php-gd php-mbstring php-xml php-opcache php-json php-curl

echo "配置 PHP-FPM..."
sed -i 's/user = apache/user = nginx/' /etc/php-fpm.d/www.conf
sed -i 's/group = apache/group = nginx/' /etc/php-fpm.d/www.conf
sed -i 's/;listen.owner = nobody/listen.owner = nginx/' /etc/php-fpm.d/www.conf
sed -i 's/;listen.group = nobody/listen.group = nginx/' /etc/php-fpm.d/www.conf
systemctl enable php-fpm
systemctl start php-fpm
systemctl status php-fpm

echo "配置 Nginx..."
cat > /etc/nginx/nginx.conf <<EOF
worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
    include /etc/nginx/conf.d/*.conf;
}
EOF

cat > /etc/nginx/conf.d/default.conf <<EOF
server {
    listen 80;
    server_name localhost;
    root /usr/share/nginx/html;
    index index.php index.html index.htm;

    location / {
        try_files \$uri \$uri/ =404;
    }

    location ~ \.php$ {
        root /usr/share/nginx/html;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME \$document_root\$fastcgi_script_name;
        include fastcgi_params;
    }
}
EOF

echo "检查 Nginx 配置..."
nginx -t

echo "设置文件权限..."
chown -R nginx:nginx /usr/share/nginx/html

echo "重启 Nginx..."
systemctl restart nginx

echo "LNMP 环境安装完成！"
echo "Nginx: $(nginx -v 2>&1)"
echo "MariaDB: $(mysql --version)"
echo "PHP: $(php -v | head -n 1)"

# 创建 PHP 测试页面
echo "<?php phpinfo(); ?>" > /usr/share/nginx/html/phpinfo.php
IP=$(hostname -I | awk '{print $1}')
echo "已创建测试页面：http://$IP/phpinfo.php"

0x02验证