CentOS中nginx負載平衡和反向 Proxy的搭建

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1: 修改centos命令列啟動(減少記憶體佔用):
vim /etc/inittab     id:5:initdefault:  --> 修改5為3  若要介面啟動使用 startx
2:安裝jdk
1)解壓:jdk-7u55-linux-i586.tar.gz       [[email protected] jdk]# tar -zxvf jdk-7u55-linux-i586.tar.gz 2)複製:[[email protected] jdk]# cp -rf jdk1.7.0_55/ /usr/local/jdk3)配置環境;[[email protected] bin]# vim /etc/profile  最後面插入:export JAVA_HOME=/usr/local/jdk/jdk1.7.0_79            export PATH=$JAVA_HOME/bin:$PATH4)重新整理設定檔:source /etc/profile    驗證:java   javac
3:安裝tomcat
    1)解壓:tar -zxvf    2)授權:chmod u+x/usr/local/tomcats/tomcat1/apache-tomcat-7.0.47/bin    3)啟動:進入tomcat目錄bin 目錄後: ./startup.sh     4)開放連接埠:vim  /etc/sysconfig/iptables    5)關閉防火牆:chkconfig iptables off    6)重啟防火牆: service iptables restart    7)修改連接埠號碼:vim conf/server.xml    8)查看進程:ps aux | grep tomcat
4:安裝nginx
    1)安裝環境:                yum -y install gcc-c++              yum -y install pcre pcre-devel              yum -y install zlib zlib-devel              yum -y install openssl openssl-devel    2)解壓:tar -zxvf nginx-1.8.0.tar.gz     3)移動: mv  nginx-1.8.0 /usr/local/nginx/    4)建立臨時目錄:var]# mkdir -p temp/nginx    5)進入目錄:cd nginx-1.8.0/      6)修改參數: 

 

./configure --prefix=/usr/local/nginx --pid-path=/var/run/nginx/nginx.pid --lock-path=/var/lock/nginx.lock --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --with-http_gzip_static_module --http-client-body-temp-path=/var/temp/nginx/client --http-proxy-temp-path=/var/temp/nginx/proxy --http-fastcgi-temp-path=/var/temp/nginx/fastcgi --http-uwsgi-temp-path=/var/temp/nginx/uwsgi --http-scgi-temp-path=/var/temp/nginx/scgi      

 

 7)編譯安裝:        make        make install8)啟動: cd /usr/local/nginx/sbin/         ./nginx 9)查看進程:ps aux | grep nginx10)快速停止:./nginx -s stop11)完整停止:./nginx  -s quit  此方式停止步驟是待nginx進程處理任務完畢進行停止。推薦使用12)重啟: ./nginx -s quit            ./nginx  13)重新載入設定檔: ./nginx -s reload
5:配置虛擬機器主機:
1、nginx支援的三種虛擬機器主機的配置:            基於ip的虛擬機器主機            基於網域名稱的虛擬機器主機            基於連接埠的虛擬機器主機2、nginx設定檔的結構: 每個service就是一個虛擬機器主機

 

......            events{                ......            }            http{                .......                server{                    ......                }                server{                    ......                }            }
 
3、基於ip的虛擬機器主機配置: 修改設定檔: vim /usr/local/nginx/nginx-1.8.0/conf/nginx.conf
server{                 listen 80;                server_name 192.168.31.88;                location / {                    root html;                    index index.html index.htm;                }            }
 4、基於網域名稱的虛擬機器主機配置:        修改設定檔:vim /usr/local/nginx/nginx-1.8.0/conf/nginx.conf
server{                 listen 80;                server_name www.nginxdns1.com;                location / {                    root html_dns1;                    index index.html index.htm;                }            }            server{                 listen 80;                server_name www.nginxdns2.com;                location / {                    root html_dns2;                    index index.html index.htm;                }            }
5、基於連接埠的虛擬機器主機配置:        修改設定檔:vim /usr/local/nginx/nginx-1.8.0/conf/nginx.conf        監聽連接埠:netstat -an | grep 80
      server{                 listen 88;                server_name 192.168.31.88;                location / {                    root html_port1;                    index index.html index.htm;                }            }            server{                 listen 89;                server_name 192.168.31.88;                location / {                    root html_port2;                    index index.html index.htm;                }            }
6、nginx 反向 Proxy:
修改hosts:# nginx反向 Proxy環境測試            192.168.31.88 www.nginxproxy1.com            192.168.31.88 www.nginxproxy2.com開啟不同虛擬機器中的兩台tomcat:192.168.31.88:8080 和 192.168.31.89:8081修改設定檔
            #代理tomcat1伺服器             upstream  tomcat_server1{                server  192.168.31.89:8081;            }            #代理tomcat2伺服器            upstream tomcat_server2{                server 192.168.31.88:8080;            }            #配置虛擬機器主機:            server{                 listen 80;                server_name www.nginxproxy1.com;                location / {                    #root html_port1;                    proxy_pass http://tomcat_server1;                    index index.html index.htm;                }            }            server{                 listen 80;                server_name www.nginxproxy2.com;                location / {                    #root html_port2;                    proxy_pass http://tomcat_server2;                    index index.html index.htm;                }            }
7、nginx 負載平衡:
修改hosts :# nginx負載平衡環境測試                 192.168.31.88 www.nginxbalance.com    開啟不同虛擬機器中的兩台tomcat:192.168.31.88:8080 和 192.168.31.89:8081    修改設定檔:

 

            #代理tomcat2伺服器            upstream tomcat_server_pool{                server 192.168.31.88:8080 weight=1;                server 192.168.31.89:8081 weight=1;            }            #配置虛擬機器主機:            server{                 listen 80;                server_name www.nginxbalance.com;                location / {                    #root html_port1;                    proxy_pass http://tomcat_server_pool;                    index index.html index.htm;                }            }
hosts檔案配置:1:nginx基於網域名稱環境測試

192.168.31.88 www.nginxdns1.com 
192.168.31.88 www.nginxdns2.com

2:nginx反向 Proxy環境測試

192.168.31.88 www.nginxproxy1.com 
192.168.31.88 www.nginxproxy2.com

3:nginx負載平衡環境測試

192.168.31.88 www.nginxbalance.com

 

來源:http://blog.csdn.net/liudongdong0909/article/details/51048788

CentOS中nginx負載平衡和反向 Proxy的搭建

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