linux下安装nginx和使用命令

nginx的安装

1.首先要安装相关依赖包

yum -y install gcc pcre-devel zlib-devel openssl openssl-devel

2.下载nginx的安装包

wget https://nginx.org/download/nginx-1.16.1.tar.gz

3.解压安装包

tar -zxvf nginx-1.16.1.tar.gz

4.进入到nginx

tar -zxvf nginx-1.16.1.tar.gz

5.创建一个路径

mkdir -p /usr/local/nginx

6.安装到指定路径

./configure --prefix=/usr/local/nginx

7.进行编译并安装

make && make install

nginx的目录结构

nginx的命令

1.查看版本号 ：./nginx -v

2.检查配置文件的正确性：./nginx -t

3.启动nginx:  ./nginx 

启动完成后查看nginx的进程：ps -ef | grep nginx

4.停止nginx: ./nginx -s stop

5.重新加载配置文件： ./nginx -s reload

nginx配置文件结构

整体分为三个部分，分别是

1：全局块：和nginx运行相关的全局配置

2：events块：和网络连接相关的配置

3:  HTTP块：代理，缓存，日志记录，虚拟主机配置

        HTTP块又分为两部分：http全局块和server块

                server块有分为server全局块和location块

worker_processes  1;

events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;
  
    keepalive_timeout  65;

    server {
        listen       80;
        server_name  localhost;

        location / {
            root   html;
            index  index.html index.htm;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    
    }

}