Nginx 负载均衡器（1+2）
0.准备过程
useradd www
mkdir -p /data/logs/
chown -R www:www /data/logs/
ulimit -SHn 102400
1.安装 pcre
tar zxvf pcre-8.20.tar.gz
cd pcre-8.20
./configure
make && make install
2.安装nginx
./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module
3.修改nginx配置文件
user www www;
worker_processes 2;
pid /usr/local/nginx/logs/nginx.pid;
worker_rlimit_nofile 51200;
events
{
use epoll;
worker_connections 51200;
}
http
{
include mime.types;
default_type application/octet-stream;
charset utf-8;
server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
sendfile on;
tcp_nopush on;
keepalive_timeout 60;
tcp_nodelay on;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.0;
gzip_comp_level 2;
gzip_types text/plain application/x-Javascript text/css application/xml;
gzip_vary on;
upstream www.linuxidc.com {
ip_hash;
server 192.168.18.213:80;
server 192.168.18.214:80;
}
#access log
log_format access '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log /data/logs/access.log access;
server {
listen 80;
server_name www.linuxidc.com;
location /{
proxy_pass http://www.linuxidc.com;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
#开启监控功能
location /nginx{
access_log off;
stub_status on;
}
}
}
4.检查配置文件
/usr/local/nginx/sbin/nginx -t
5.启动nginx
/usr/local/nginx/sbin/nginx
6.重启加载配置文件
/usr/local/nginx/sbin/nginx -s reload
推荐阅读：
Nginx Tomcat 集群负载均衡解决笔记 http://www.linuxidc.com/Linux/2013-07/86827.htm
Nginx 配置轮询分流-实现负载均衡【测试通过】 http://www.linuxidc.com/Linux/2013-06/86692.htm
Nginx负载均衡引起的网站不可用 http://www.linuxidc.com/Linux/2013-05/84063.htm
