nginx, tomcat 集群
来源:互联网 发布:网络带来的利与弊简写 编辑:程序博客网 时间:2024/06/05 20:36
http://pengranxiang.iteye.com/blog/1135909
目标:同一台Linux主机上 安装 Nginx 和 两个 Tomcat 的集群
1. 下载安装 Nginx
地址:http://nginx.org/download/nginx-1.0.4.tar.gz
- cd /usr/local/src/nginx
- wget http://nginx.org/download/nginx-1.0.4.tar.gz
- tar zxvf nginx-1.0.4.tar.gz
- cd nginx-1.0.4
- ./configure
- make
- make install
2. Tomcat的下载安装配置,请参照 http://pengranxiang.iteye.com/admin/blogs/1135072
3. 配置 Nginx 负载均衡 来集成 两个Tomcat
修改配置文件:$NGNINX_HOME/conf/nginx.conf
- #Nginx所用用户和组,window下不指定
- user nobody;
- #工作的子进程数量(通常等于CPU数量或者2倍于CPU)
- worker_processes 1;
- #错误日志存放路径
- #error_log logs/error.log;
- #error_log logs/error.log notice;
- error_log logs/error.log info;
- #指定pid存放文件
- pid logs/nginx.pid;
- events {
- #使用网络IO模型linux建议epoll,FreeBSD建议采用kqueue,window下不指定。
- use epoll;
- #允许最大连接数
- worker_connections 1024;
- }
- http {
- #mine.types内定义各文件类型映像
- include mime.types;
- default_type application/octet-stream;
- #定义日志格式
- #log_format main '$remote_addr - $remote_user [$time_local] "$request" '
- # '$status $body_bytes_sent "$http_referer" '
- # '"$http_user_agent" "$http_x_forwarded_for"';
- #access_log logs/access.log main;
- sendfile on;
- #tcp_nopush on;
- #keepalive_timeout 0;
- keepalive_timeout 65;
- #gzip on;
- #负载均衡集群设置
- upstream tomcats {
- server localhost:8080 weight=1;
- server localhost:9080 weight=1;
- #根据ip计算将请求分配各那个后端tomcat,许多人误认为可以解决session问题,其实并不能。
- #同一机器在多网情况下,路由切换,ip可能不同
- ip_hash;
- }
- server {
- listen 80;
- server_name localhost;
- #charset koi8-r;
- #access_log logs/host.access.log main;
- location / {
- index index.shtml;
- proxy_pass http://tomcats;
- proxy_set_header X-Real-IP $remote_addr;
- client_max_body_size 100m;
- }
- #error_page 404 /404.html;
- # redirect server error pages to the static page /50x.html
- #
- error_page 500 502 503 504 /50x.html;
- location = /50x.html {
- root html;
- }
- # proxy the PHP scripts to Apache listening on 127.0.0.1:80
- #
- #location ~ \.php$ {
- # proxy_pass http://127.0.0.1;
- #}
- # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
- #
- #location ~ \.php$ {
- # root html;
- # fastcgi_pass 127.0.0.1:9000;
- # fastcgi_index index.php;
- # fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
- # include fastcgi_params;
- #}
- # deny access to .htaccess files, if Apache's document root
- # concurs with nginx's one
- #
- #location ~ /\.ht {
- # deny all;
- #}
- }
- # another virtual host using mix of IP-, name-, and port-based configuration
- #
- #server {
- # listen 8000;
- # listen somename:8080;
- # server_name somename alias another.alias;
- # location / {
- # root html;
- # index index.html index.htm;
- # }
- #}
- # HTTPS server
- #
- #server {
- # listen 443;
- # server_name localhost;
- # ssl on;
- # ssl_certificate cert.pem;
- # ssl_certificate_key cert.key;
- # ssl_session_timeout 5m;
- # ssl_protocols SSLv2 SSLv3 TLSv1;
- # ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;
- # ssl_prefer_server_ciphers on;
- # location / {
- # root html;
- # index index.html index.htm;
- # }
- #}
- }
安装以上配置即可实现集群。
关于Nginx启动
直接执行: $NGINX_HOME/sbin/nginx 即可
为了方便,可以自定义一个脚本文件
vim nginx.sh
- #!/bin/bash
- case $1 in
- start)
- /usr/local/nginx/sbin/nginx;
- ;;
- stop)
- kill -2 `ps -ef|grep "/usr/local/nginx/sbin/nginx" | grep -v "grep"|awk '{print $2}'`
- ;;
- restart)
- $0 stop
- $0 start
- ;;
- *)
- echo $"Usage; $0{start|stop|restart}"
- exit 1
- esac
- exit 0
0 0
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