Linux 安装 Nginx 并搭建 Tomcat 集群

1.安装Nginx从官网下载一个nginx 的tar.gz 版。

安装方式使用make 安装 第一步：解压 tar -zxvf nginx-1.7.4.tar.gz

第二步：进入nginx-1.7.4，执行./configure 命令

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出现错误： [root@localhost nginx-1.7.4]# ./configure checking for OS + Linux 2.6.32-431.el6.x86_64 x86_64 checking for C compiler … not found ./configure: error: C compiler cc is not found 出现这个错误。 那么就是gcc 包没有安装。安装gcc 吧，骚年。 yum -y install gcc

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再次执行./configure，又出错 ./configure: error: the HTTP rewrite module requires the PCRE library. You can either disable the module by using –without-http_rewrite_module option, or install the PCRE library into the system, or build the PCRE library statically from the source with nginx by using –with-pcre=<path> option. 安装pcre-devel解决问题 yum install pcre-devel

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再次执行./configure，接着错 ./configure: error: the HTTP gzip module requires the zlib library. You can either disable the module by using –without-http_gzip_module option, or install the zlib library into the system, or build the zlib library statically from the source with nginx by using –with-zlib=<path> option. 则需要安装“zlib-devel”即可。SSH执行以下命令： yum install -y zlib-devel

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还是错，错误提示：

./configure: error: the HTTP cache module requires md5 functions from OpenSSL library. You can either disable the module by using –without-http-cache option, or install the OpenSSL library into the system, or build the OpenSSL library statically from the source with nginx by using –with-http_ssl_module –with-openssl=<path> options.

解决办法：

yum -y install openssl openssl-devel

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再次执行./configure Configuration summary + using system PCRE library + OpenSSL library is not used + using builtin md5 code + sha1 library is not found + using system zlib library

OK，现在可以执行make 了。如果你想使用openssl 功能，sha1 功能。那么安装openssl ，sha1 吧，骚年。安装opensslyum install openssl openssl-devel安装sha1 yum install perl-Digest-SHA1.x86_64 开启ssl 模块 执行./configure –with-http_ssl_module 启用“server+status”页，执行./configure –with-http_stub_status_module 两个都启动，不用我说了。执行./configure –with-http_stub_status_module –with-http_ssl_module

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那么configre 就通过了。

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执行make 命令 执行make install 命令 至此，nginx 执行成功了

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下来配置环境变量在/etc/profile 中加入：export NGINX_HOME=/usr/local/nginx export PATH=PATH:NGINX_HOME/sbin保存，执行 source /etc/profile ，使配置文件生效。执行nginx -v,就能看到版本了，说明nginx 安装成功了 /usr/local/nginx–1.7.8/sbin/nginx 重启或关闭进程： /usr/local/nginx–1.7.8/sbin/nginx–s reload /usr/local/nginx–1.7.8/sbin/nginx–s stop

2. Nignx配置Tomcat

配置nginx负载均衡

执行命令： vi /usr/local/nginx/sbin/nginx/conf/nginx.conf

修改为：

worker_processes 2;

events {

worker_connections 1024;

}

http {

include mime.types;

default_type application/octet-stream;

sendfile on;

keepalive_timeout 65;

#start

upstream 192.168.1.208{

#解决session的问题

ip_hash;

server 192.168.1.207:8080 weight=1;

server 192.168.1.208:8080 weight=1;

}

#end

server {

listen 80;

server_name 192.168.1.208;

location / {

root html;

index index.html index.htm;

#请求转向mysvr 定义的服务器列表

proxy_pass http://192.168.1.208;

proxy_redirect default;

#跟代理服务器连接的超时时间，必须留意这个time out时间不能超过75秒，当一台服务器当掉时，过10秒转发到另外一台服务器。

proxy_connect_timeout 10;

}

error_page 500 502 503 504 /50x.html;

location = /50x.html {

root html;

}

}

}

保存退出。

启动nginx服务，

访问http:// 192.168.1.208/应用名称

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