# Ubuntu
sudo apt install nginx-light  # 精简版
# CentOS
sudo yum install nginx

#启动并设置开机自启
sudo systemctl daemon-reload
sudo systemctl start nginx
sudo systemctl enable nginx

#验证安装
nginx -v
curl -I 127.0.0.1

#常用命令：
# 重新加载配置
sudo systemctl reload nginx
# 检查配置语法
sudo nginx -t
# 查看运行状态
sudo systemctl status nginx

配置文件位置：

• 主配置：/etc/nginx/nginx.conf

• 站点配置：/etc/nginx/conf.d/