nginx反向代理配置，负载均衡

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1. 安装jdk

sudo rpm -ivh jdk-7u71-linux-x64.rpm

设置环境变量：
vim /etc/profile

在底部加入：
#set java environment
JAVA_HOME=/usr/java/jdk1.7.0_71
CLASSPATH=.:$JAVA_HOME/lib/tools.jar
PATH=$JAVA_HOME/bin:$PATH
export JAVA_HOME CLASSPATH PATH

vim /etc/profile.d/java.sh
加入：
#set java environment
JAVA_HOME=/usr/java/jdk1.7.0_71
CLASSPATH=.:$JAVA_HOME/lib/tools.jar
PATH=$JAVA_HOME/bin:$PATH
export JAVA_HOME CLASSPATH PATH

2. 安装包准备

下载地址：http://download.csdn.net/detail/kuailebeihun/8318449

tar -zxvf
tar -zxvf nginx-1.7.8.tar.gz
tar -zxvf openssl-1.0.0o.tar.gz
tar -zxvf zlib-1.2.8.tar.gz

先下载好zlib和openssl

编译nginx时，联合编译zlib和openssl

3. 编译安装zlib

cd zlib-1.2.8/
./configure
make
make install

4. 编译安装openssl

cd openssl-1.0.0o/
./config
make && make install

5. 编译安装pcre

cd pcre-8.12/
./configure
make && make install

6. 联合编译安装nginx

cd nginx-1.7.8

./configure --user=nobody --group=nobody --prefix=/usr/local/webserver/nginx --with-http_stub_status_module --with-http_ssl_module --with-pcre=/data/moa/pcre-8.12 --with-openssl=/data/moa/openssl-1.0.0o

make
make install

# vi objs/Makefile
查找configure --disable-shared,在1158行,删除./configure --disable-shared, 保存
:st nu可显示行号
:1089直接跳到1158行，:/configure可以搜索
#make && make install

7. nginx配置

cd /usr/local/webserver/nginx/

配置
vim conf/nginx.conf

gzip on;
upstream wplay {
server 192.168.11.6:80;
}

location / {
proxy_pass http://wplay;
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
proxy_max_temp_file_size 0;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
}

8.启动、重启命令

cd ..
cd sbin/
./nginx

重启
nginx -s reload

9. 参考资料

http://blog.csdn.net/superbirds/article/details/7290504
http://www.bananawolf.com/html/2012/09/831.html

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