nginx+多个tomcat的负载均衡

转自：http://www.open-open.com/lib/view/open1394854254103.html

tomcat处理文件扩展名为.jsp,.do的请求

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网络架构 nginx主机：10.10.54.87 tomcat主机1：10.10.54.87 tomcat主机2：10.10.54.87   (1)安装nginx-1.4.5 [root@nan87 lnmp]# tar xvf nginx-1.4.5.tar.gz [root@nan87 lnmp]# cd nginx-1.4.5 [root@nan87 nginx-1.4.5]# ./configure --prefix=/usr/local/nginx --user=apache --group=apache --with-http_stub_status_module   --with-http_gzip_static_module --with-http_ssl_module [root@nan87 nginx-1.4.5]# make && make install [root@nan87 nginx-1.4.5]# /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf             --启动nginx (2)配置DNS [root@nan87 ~]# vim /etc/named.conf options {         listen-on port 53 { any; };         directory       "/var/named";         dump-file       "/var/named/data/cache_dump.db";         statistics-file "/var/named/data/named_stats.txt";         memstatistics-file "/var/named/data/named_mem_stats.txt";         allow-query     { any; };         recursion yes; };   logging {         channel default_debug {                 file "data/named.run";                 severity dynamic;         }; };   zone "." IN {         type hint;         file "named.ca"; }; zone "dogs.com" IN {         type master;         file "named.dogs.com"; };    [root@nan87 ~]# vim /var/named/named.dogs.com $TTL    600 @       IN      SOA     dogs.com.        root (2014030401 1H 15M 1W 1D); @       IN      NS      dogs.com. dogs.com.        IN      A       10.10.54.87 www.dogs.com.    IN      A       10.10.54.87 bbs.dogs.com.    IN      A       10.10.54.87 hr.dogs.com.     IN      A       10.10.54.87   (3)安装JDK [root@nan87 lnmp]# rpm -ivh jdk-7u51-linux-x64.rpm [root@nan87 lnmp]# rpm -ql jdk-1.7.0_51-fcs.x86_64 --查看JDK的安装路径 /usr/java/jdk1.7.0_51   (4)安装配置tomcat [root@nan87 lnmp]# tar xvf apache-tomcat-7.0.52.tar.gz [root@nan87 lnmp]# mv apache-tomcat-7.0.52 /usr/local/tomcat   //给tomcat添加JAVA主目录，在96行添加 [root@nan87 lnmp]# vim /usr/local/tomcat/bin/catalina.sh JAVA_HOME=/usr/java/jdk1.7.0_51 CATALINA_HOME=/usr/local/tomcat   //做启动脚本 [root@nan87 lnmp]# cd /usr/local/tomcat/bin/ [root@nan87 bin]# cp catalina.sh /etc/init.d/tomcat [root@nan87 bin]# vim /etc/init.d/tomcat #chkconfig: 2375 74 76 #description:tomcat start stop [root@nan87 bin]# chmod +x /etc/init.d/tomcat   (5)第二台tomcat [root@nan87 lnmp]# tar xvf apache-tomcat-7.0.52.tar.gz [root@nan87 lnmp]# mv apache-tomcat-7.0.52 /usr/local/tomcat2 //给tomcat添加JAVA主目录，在96行添加 [root@nan87 lnmp]# vim /usr/local/tomcat2/bin/catalina.sh JAVA_HOME=/usr/java/jdk1.7.0_51 CATALINA_HOME=/usr/local/tomcat2 //做启动脚本 [root@nan87 lnmp]# cd /usr/local/tomcat2/bin/ [root@nan87 bin]# cp catalina.sh /etc/init.d/tomcat2 [root@nan87 bin]# vim /etc/init.d/tomcat2 #chkconfig: 2355 73 75 #description:tomcat start stop [root@nan87 bin]# chmod +x /etc/init.d/tomcat   //更改配置 [root@nan87 lnmp]# cd /usr/local/tomcat2 //更改三个端口 [root@nan87 tomcat2]# vim conf/server.xml ##将8005改为其他，如：9005  <Server port="8005" shutdown="SHUTDOWN"> ##将8080改为其他，如：9090  <Connector port="8080" protocol="HTTP/1.1" ##将8009改为其他，如：9009  <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />   [root@nan87 ~]# mkdir -p /var/www/ [root@nan87 ~]# cd /var/www/ [root@nan87 www]# mkdir ROOT        --注意必须是ROOT [root@nan87 www]# cd ROOT/ [root@nan87 html]# echo "Hello10.10.54.87" >index.jsp [root@nan87 html]# vim /usr/local/tomcat2/conf/server.xml  <Host name="localhost"  appBase="/var/www"         --appBase地址更改 (6)更改nginx配置 [root@nan87 html]# vim /usr/local/nginx/conf/nginx.conf user apache apache; worker_processes  2; events {     worker_connections  1024; } http {     include       mime.types;     default_type  application/octet-stream;     sendfile        on;     keepalive_timeout  65;             --添加下面内容     upstream  www.dogs.com  {                server   10.10.54.87:8080  weight=1;                server   10.10.54.87:9090  weight=1;        }     server {         listen       80;         server_name  www.dogs.com;         root /var/www/html;         index index.html index.htm index.jsp;         location / {         proxy_pass        http://www.dogs.com;         proxy_set_header   Host             $host;         proxy_set_header   X-Real-IP        $remote_addr;         proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;         }          location ~ .*.jsp$ {         index index.jsp;         proxy_pass http://localhost:8080;         }         location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$ {         expires      30d;         }         location ~ .*\.(js|css)?$ {         expires      1h;         }         error_page   500 502 503 504  /50x.html;         location = /50x.html {             root   html;         }     } }   (7)测试 在浏览器中输入“http://www.dogs.com/” 刷新页面会有变化