【转载】nginx, tomcat 集群
【转载】nginx, tomcat 集群转载地址：http://pengranxiang.iyunv.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
Shell代码：
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.iyunv.com/admin/blogs/1135072
3. 配置 Nginx 负载均衡 来集成 两个Tomcat
修改配置文件：$NGNINX_HOME/conf/nginx.conf
Conf代码 ：
#Nginx所用用户和组，window下不指定
usernobody;
#工作的子进程数量（通常等于CPU数量或者2倍于CPU）
worker_processes1;
#错误日志存放路径
#error_loglogs/error.log;
#error_loglogs/error.lognotice;
error_loglogs/error.loginfo;
#指定pid存放文件
pid logs/nginx.pid;
events {
#使用网络IO模型linux建议epoll，FreeBSD建议采用kqueue，window下不指定。
use epoll;
#允许最大连接数
worker_connections1024;
}
http {
#mine.types内定义各文件类型映像
include mime.types;
default_typeapplication/octet-stream;
#定义日志格式
#log_formatmain'$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_loglogs/access.logmain;
sendfile on;
#tcp_nopush on;
#keepalive_timeout0;
keepalive_timeout65;
#gzipon;
#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_namelocalhost;
#charset koi8-r;
#access_loglogs/host.access.logmain;
location / {
indexindex.shtml;
proxy_passhttp://tomcats;
proxy_set_header X-Real-IP $remote_addr;
client_max_body_size 100m;
}
#error_page404 /404.html;
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504/50x.html;
location = /50x.html {
root html;
}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# 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_indexindex.php;
# fastcgi_paramSCRIPT_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 {
# denyall;
#}
}
# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_namesomenamealiasanother.alias;
# location / {
# root html;
# indexindex.html index.htm;
# }
#}
# HTTPS server
#
#server {
# listen 443;
# server_namelocalhost;
# ssl on;
# ssl_certificate cert.pem;
# ssl_certificate_keycert.key;
# ssl_session_timeout5m;
# ssl_protocolsSSLv2 SSLv3 TLSv1;
# ssl_ciphersALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;
# ssl_prefer_server_ciphers on;
# location / {
# root html;
# indexindex.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
Sh代码 ：
#!/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
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