nginx负载均衡准备

web01 web02

[root@web01 /etc/nginx/conf.d]# cat  01-www.conf
server   {
    listen      80;
    server_name  www.oldboy.com;
    access_log  /var/log/nginx/access_www.log  main  ;
    root   /app/www;
    location / {
    index  index.html index.htm;
    }
}
[root@web01 /etc/nginx/conf.d]# cat  02-blog.conf 
server   {
    listen       80;
    server_name  blog.oldboy.com;
    access_log  /var/log/nginx/access_blog.log  main;
    root   /app/blog;
    location / {
    index index.php index.html index.htm;
    }
   location ~* \.(php|php5)$ {
       fastcgi_pass   127.0.0.1:9000;
       fastcgi_index  index.php;
       fastcgi_buffers 16 16k;
       fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
       include        fastcgi_params;
   }
}

[root@web01 /etc/nginx/conf.d]# mkdir -p /app/{www,blog}


for n  in  www blog  ; do echo  `hostname` $n.oldboy.com >/app/$n/index.html ;done 

[root@web01 /etc/nginx/conf.d]# tree /app/
/app/
├── blog
│   └── index.html
└── www
    └── index.html

2 directories, 2 files

[root@web01 /etc/nginx/conf.d]# nginx -t 
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[root@web01 /etc/nginx/conf.d]# systemctl reload nginx 

[root@lb01 ~]# curl -H Host:www.oldboy.com  10.0.0.[7-8]

[1/2]: 10.0.0.7 --> <stdout>
--_curl_--10.0.0.7
www.oldboy.com

[2/2]: 10.0.0.8 --> <stdout>
--_curl_--10.0.0.8
www.oldboy.com
[root@lb01 ~]# curl -H Host:blog.oldboy.com  10.0.0.[7-8]

[1/2]: 10.0.0.7 --> <stdout>
--_curl_--10.0.0.7
blog.oldboy.com

[2/2]: 10.0.0.8 --> <stdout>
--_curl_--10.0.0.8
blog.oldboy.com

[root@lb01 ~]# cat /etc/nginx/nginx.conf

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;

    upstream   web_pools {
    server 10.0.0.7:80;
    server 10.0.0.8:80;
    }
#   include /etc/nginx/conf.d/*.conf;
    server  {
    listen 80;
    server_name www.oldboy.com;
    location  / {
       proxy_pass http://web_pools;
       }
    }    
}

CDN： 蓝汛 网宿 阿里云
CDN: 网站加速 缓存网站静态页面 视频（切片）
用户先访问cdn
cdn缓存没有 源站

[root@lb01 ~]# for  n in  {1..1000};do   curl  10.0.0.5/index.html  ;sleep 1  ;done 
web01 www.oldboy.com
^C
[root@lb01 ~]# cat /etc/nginx/nginx.conf

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;

    upstream   web_pools {
    server 10.0.0.7:80 weight=1 max_fails=3 fail_timeout=10s;
    server 10.0.0.8:80 weight=1 max_fails=3 fail_timeout=10s;
    }
#   include /etc/nginx/conf.d/*.conf;
    server  {
    listen 80;
    server_name www.oldboy.com;
    location  / {
       proxy_pass http://web_pools;
       
       }
    }    
}

nginx负载均衡 处理多个虚拟主机

[root@lb01 ~]# cat /etc/nginx/nginx.conf

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;

    upstream   web_pools {
    server 10.0.0.7:80 weight=1 max_fails=3 fail_timeout=10s;
    server 10.0.0.8:80 weight=1 max_fails=3 fail_timeout=10s;
    }
#   include /etc/nginx/conf.d/*.conf;
    server  {
    listen 80;
    server_name www.oldboy.com;
    location  / {
       proxy_pass http://web_pools;
       }
    }    

    server  {
    listen 80;
    server_name blog.oldboy.com;
    location  / {
       proxy_pass http://web_pools;
       proxy_set_header Host $host;
       }
    } 
}