Linux 安装 Nginx 并搭建 Tomcat 集群

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/nginx1.7.8/sbin/nginx


重启或关闭进程:

/usr/local/nginx1.7.8/sbin/nginxs reload

/usr/local/nginx1.7.8/sbin/nginxs 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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