CentOS 6.7配置Nginx 1.8負載平衡

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本教程使用Vultr的VPS搭建,準備三台VPS,一主兩從

master - 45.32.90.100slave1  - 45.32.92.47slave2  - 45.32.89.205

1、編譯安裝Nginx 1.8

三台全裝,並啟動Nginx

/usr/local/nginx/sbin/nginx

2、修改master設定檔

在http段增加:

    upstream backend {        server 45.32.92.47;        server 45.32.89.205;        }

在server的location段中加入:

            proxy_pass http://backend;

3、完整nginx.conf如下:

#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 backend {        server 45.32.92.47 weight=2;        server 45.32.89.205;        }    server {        listen       80;        server_name  localhost;        #charset koi8-r;        #access_log  logs/host.access.log  main;        location / {            root   html;            index  index.html index.htm;            proxy_pass http://backend;        }        #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;        }    }}

4、重啟master上的nginx

/usr/local/nginx/sbin/nginx -s reload

5、驗證

在slave1中修改網頁檔案

echo "slave1" > /usr/local/nginx/html/index.html

在slave2中修改網頁檔案

echo "slave2" > /usr/local/nginx/html/index.html

在瀏覽器中輸入master的ip,重新整理查看,可以看到交替出現slave1和slave2

 

此外,還可以設定權重

    upstream backend {        server 45.32.92.47 weight=2;        server 45.32.89.205 weight=1;        }

 

CentOS 6.7配置Nginx 1.8負載平衡

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