nginx负载均衡代理3台tomcat

今天配置nginx的时候发现配置的负载均衡没有生效

发现：

[root@localhost ~]# /usr/local/nginx/sbin/nginx

nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] still could not bind()
说明80端口被占用，杀掉这个进程：
[root@localhost ~]# killall -9 nginx
再次启动nginx：
[root@localhost ~]# /usr/local/nginx/sbin/nginx
查看是否启动：
[root@localhost ~]# ps aux|grep nginx
输出：
root       7110  0.0  0.0  24348   752 ?        Ss   22:32   0:00 nginx: master process /usr/local/nginx/sbin/nginx
nobody     7111  0.0  0.0  26860  1508 ?        S    22:32   0:00 nginx: worker process
root       7114  0.0  0.0 112664   968 pts/0    S+   22:33   0:00 grep --color=auto nginx
启动成功！
访问nginx

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


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

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;
    upstream tomcats {
       server 192.168.32.130:8080 weight=1;
       server 192.168.32.131:8080 weight=1;
       server 192.168.32.132:8080 weight=1;
    }
    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location ~ .* {
            proxy_pass http://tomcats;
            root   html;
            index  index.html index.htm;
        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }

}

 

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原文链接：https://blog.csdn.net/zyhlearnjava/article/details/71908529

https://blog.csdn.net/qq_37554565/article/details/90718080