文章目录

一、Nginx 下载二、部署步骤三、演示修改 Nginx 配置,修改端口号四、使用 Nginx 转发访问后端服务五、Nginx 常用命令

一、Nginx 下载

从官网中下载 nginx 压缩包到本地(http://nginx.org/en/download.html)

二、部署步骤

在 /usr/local 目录下新建 nginx 文件夹

[root@iZwz9cwntagbp2m20emj0qZ local]# mkdir nginx

[root@iZwz9cwntagbp2m20emj0qZ local]# ls

aegis app bin etc games include lib lib64 libexec nginx sbin share src

将 nginx 压缩包使用 SFTP 上传到 Linux 系统的 /usr/local/nginx 目录下

[root@iZwz9cwntagbp2m20emj0qZ nginx]# ls

nginx-1.22.1.tar.gz

解压 nginx-1.22.1.tar.gz

[root@iZwz9cwntagbp2m20emj0qZ nginx]# tar -zxvf nginx-1.22.1.tar.gz

nginx-1.22.1/

nginx-1.22.1/auto/

......

[root@iZwz9cwntagbp2m20emj0qZ nginx]# ls

nginx-1.22.1 nginx-1.22.1.tar.gz

进入 nginx,找到 configure

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/nginx-1.22.1/

[root@iZwz9cwntagbp2m20emj0qZ nginx-1.22.1]# ls

auto CHANGES CHANGES.ru conf configure contrib html LICENSE Makefile man objs README src

运行 configure,命令 ./configure

[root@iZwz9cwntagbp2m20emj0qZ nginx-1.22.1]# ./configure

①如果报错执行yum -y install pcre-devel // 安装pore ②如果再次报错执行 yum -y install openssl openssl-devel //安装openssl

编译 nginx 文件

[root@iZwz9cwntagbp2m20emj0qZ nginx-1.22.1]# make

[root@iZwz9cwntagbp2m20emj0qZ nginx-1.22.1]# make install

检查是否安装成功

[root@iZwz9cwntagbp2m20emj0qZ nginx-1.22.1]# whereis nginx

nginx: /usr/local/nginx

找到 ngingx 的 sbin 目录

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/

[root@iZwz9cwntagbp2m20emj0qZ nginx]# ll

total 1092

drwx------ 2 nobody root 4096 Mar 14 11:39 client_body_temp

drwxr-xr-x 2 root root 4096 Mar 14 14:31 conf

drwx------ 2 nobody root 4096 Mar 14 11:39 fastcgi_temp

drwxr-xr-x 2 root root 4096 Mar 14 11:37 html

drwxr-xr-x 2 root root 4096 Mar 14 14:37 logs

drwxr-xr-x 9 1001 1001 4096 Mar 14 11:33 nginx-1.22.1

-rw-r--r-- 1 root root 1073948 Mar 14 11:19 nginx-1.22.1.tar.gz

drwx------ 2 nobody root 4096 Mar 14 11:39 proxy_temp

drwxr-xr-x 2 root root 4096 Mar 14 11:37 sbin

drwx------ 2 nobody root 4096 Mar 14 11:39 scgi_temp

drwx------ 2 nobody root 4096 Mar 14 11:39 uwsgi_temp

[root@iZwz9cwntagbp2m20emj0qZ nginx]# cd sbin/

启动 nginx

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ./nginx

访问测试

三、演示修改 Nginx 配置,修改端口号

找到 /conf 目录下的 nginx.conf 配置文件

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/nginx-1.22.1/conf/

[root@iZwz9cwntagbp2m20emj0qZ conf]# ll

total 40

-rw-r--r-- 1 1001 1001 1077 Oct 19 16:02 fastcgi.conf

-rw-r--r-- 1 1001 1001 1007 Oct 19 16:02 fastcgi_params

-rw-r--r-- 1 1001 1001 2837 Oct 19 16:02 koi-utf

-rw-r--r-- 1 1001 1001 2223 Oct 19 16:02 koi-win

-rw-r--r-- 1 1001 1001 5349 Oct 19 16:02 mime.types

-rw-r--r-- 1 1001 1001 2656 Oct 19 16:02 nginx.conf

-rw-r--r-- 1 1001 1001 636 Oct 19 16:02 scgi_params

-rw-r--r-- 1 1001 1001 664 Oct 19 16:02 uwsgi_params

-rw-r--r-- 1 1001 1001 3610 Oct 19 16:02 win-utf

使用 vim 编辑 nginx.conf 文件

[root@iZwz9cwntagbp2m20emj0qZ conf]# vim nginx.conf

修改监听端口为666

server {

listen 666;

server_name localhost;

}

保存并退出:esc -> shift + : -> wq 3. 重新加载 nginx.conf 配置文件

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/sbin/

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ll

total 3804

-rwxr-xr-x 1 root root 3892016 Mar 14 11:37 nginx

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ./nginx -s reload

测试端口修改是否成功

四、使用 Nginx 转发访问后端服务

启动 spring boot 项目

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/app/

[root@iZwz9cwntagbp2m20emj0qZ app]# ll

total 16160

-rw-r--r-- 1 root root 16546230 Mar 14 14:23 springboot-0.0.1-SNAPSHOT.jar

[root@iZwz9cwntagbp2m20emj0qZ app]# java -jar springboot-0.0.1-SNAPSHOT.jar

. ____ _ __ _ _

/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \

( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \

\\/ ___)| |_)| | | | | || (_| | ) ) ) )

' |____| .__|_| |_|_| |_\__, | / / / /

=========|_|==============|___/=/_/_/_/

:: Spring Boot :: (v2.3.6.RELEASE)

2023-03-14 20:05:22.440 INFO 30885 --- [ main] c.json.springboot.SpringbootApplication : Starting SpringbootApplication v0.0.1-SNAPSHOT on iZwz9cwntagbp2m20emj0qZ with PID 30885 (/usr/local/app/springboot-0.0.1-SNAPSHOT.jar

started by root in /usr/local/app)

2023-03-14 20:05:22.454 INFO 30885 --- [ main] c.json.springboot.SpringbootApplication : No active profile set, falling back to default profiles: default

2023-03-14 20:05:24.718 INFO 30885 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 666 (http)

2023-03-14 20:05:24.747 INFO 30885 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]

2023-03-14 20:05:24.748 INFO 30885 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.39]

2023-03-14 20:05:24.891 INFO 30885 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/json] : Initializing Spring embedded WebApplicationContext

2023-03-14 20:05:24.892 INFO 30885 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 2320 ms

2023-03-14 20:05:25.793 INFO 30885 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'

2023-03-14 20:05:26.188 INFO 30885 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 666 (http) with context path '/json'

2023-03-14 20:05:26.219 INFO 30885 --- [ main] c.json.springboot.SpringbootApplication : Started SpringbootApplication in 4.683 seconds (JVM running for 5.522)

2023-03-14 20:06:06.170 INFO 30885 --- [-nio-666-exec-4] o.a.c.c.C.[Tomcat].[localhost].[/json] : Initializing Spring DispatcherServlet 'dispatcherServlet'

2023-03-14 20:06:06.170 INFO 30885 --- [-nio-666-exec-4] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherServlet'

2023-03-14 20:06:06.187 INFO 30885 --- [-nio-666-exec-4] o.s.web.servlet.DispatcherServlet : Completed initialization in 17 ms

在浏览器中测试访问接口 在 nginx.conf 文件中配置 location

[root@iZwz9cwntagbp2m20emj0qZ ~]# cd /

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/nginx-1.22.1/conf/

[root@iZwz9cwntagbp2m20emj0qZ conf]# vim nginx.conf

server {

listen 80;

server_name localhost;

location /json/ {

proxy_pass http://112.74.190.252:666/json/;

}

}

重新加载 nginx.conf 配置文件

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/sbin/

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ll

total 3804

-rwxr-xr-x 1 root root 3892016 Mar 14 11:37 nginx

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ./nginx -s reload

浏览器中测试(使用 Nginx 监听的 80 端口访问)

五、Nginx 常用命令

查看 nginx 位置

[root@iZwz9cwntagbp2m20emj0qZ /]# whereis nginx

nginx: /usr/local/nginx

启动 nginx

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/sbin/

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ./nginx

停止 nginx

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/sbin/

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ./nginx -s stop

安全退出 nginx

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/sbin/

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ./nginx -s quit

重新加载配置文件

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/sbin/

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ./nginx -s reload

(注意:Nginx 启动、停止、退出、重新加载命令都需要在 sbin 目录下执行)

查看 nginx 进程

[root@iZwz9cwntagbp2m20emj0qZ /]# cd usr/local/nginx/sbin/

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ./nginx

[root@iZwz9cwntagbp2m20emj0qZ sbin]# ps aux|grep nginx

root 30537 0.0 0.0 20576 624 ? Ss 16:41 0:00 nginx: master process ./nginx

nobody 30538 0.0 0.0 21020 1320 ? S 16:41 0:00 nginx: worker process

root 30542 0.0 0.0 112812 980 pts/0 S+ 16:41 0:00 grep --color=auto nginx

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