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

 

错误一: 

 

[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

 

错误二:

 

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

 

错误三: 

 

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

 

错误四:

 

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

 

正确执行:

 

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

 

安装openssl:

 

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

 

configre 通过执行 make

 

执行make 命令

执行make install 命令

至此,nginx 执行成功了

 

配置环境变量:

 

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;

        }


    }

}



 

 

3、启动nginx服务

访问http://192.168.1.208/应用名称

 

 




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