需要下载的东西:
1. wget http://www.openssl.org/source/openssl-0.9.8l.tar.gz
2. wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.00.tar.bz2
3. wget http://www.zlib.net/zlib-1.2.3.tar.bz2
4. wget http://nginx.org/download/nginx-0.8.30.tar.gz
把这些玩意都解压缩后,就会有:
1. openssl-0.9.8l
2. pcre-8.00
3. zlib-1.2.3
4. nginx-0.8.30
这几个目录,我把它们都放在/data/download/里,按原先的方式,需要进openssl、pcre、zlib目录里去编译安装它们,现在不用了,直接进nginx目录。
1. cd nginx-0.8.30
2. ./configure –prefix=/data/nginx –with-http_realip_module
–with-http_sub_module –with-http_flv_module –with-http_dav_module
–with-http_gzip_static_module –with-http_stub_status_module
–with-http_addition_module –with-pcre=/data/download/pcre-8.00
–with-openssl=/data/download/openssl-0.9.8l –with-http_ssl_module
–with-zlib=/data/download/zlib-1.2.3
3. make
4. make install
就可安装完成,这种方式安装的时间会较长,因为需要先编译外部程序,值得注意的是,make时不能加-j多进程方式,只能用单进程make,不然没 法通过。如果你的应用不需要openssl,那么可以不下载openssl并在configure时将其去掉。另外,nginx的 google_perftools_module还不能用这种方式编译进去,所以还是要先在外部安装google_perftools。
第1部分:安装
1 建立用户及组
/usr/sbin/groupadd www
/usr/sbin/useradd -g www www
2 安装pcre 让Nginx反向代理支持rewrite 方便以后所需
wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-7.8.tar.gz
tar zxvf pcre-7.8.tar.gz
cd pcre-7.8/
./configure
make && make install
3 安装Nginx反向代理
wget http://sysoev.ru/nginx/nginx-0.7.58.tar.gz
tar zxvf nginx-0.7.58.tar.gz
cd nginx-0.7.58/
./configure --user = www --group = www --prefix =/usr/
local/webserver/nginx --with-http_stub_status_module
--with-http_ssl_module --with-cc-opt = '-O2' --with-cpu-opt
= opteron
make && make install
注意上文中的--with-cc-opt='-O2' --with-cpu-opt=opteron 这是编译器优化,目前最常用的是-02 而不是3.后面对应CPU的型号。
第2部分:配置及优化配置文件
1 Nginx.conf 配置文件:
user www www;
worker_processes 4;
# [ debug | info | notice | warn | error | crit ]
error_log /usr/local/webserver/nginx/logs/nginx_error.log crit;
pid /usr/local/webserver/nginx/nginx.pid;
#Specifies the value for maximum file descriptors that
can be opened by this process.
worker_rlimit_nofile 51200;
events
{
use epoll;
worker_connections 51200;
}
http
{
include mime.types;
default_type application/octet-stream;
source_charset GB2312;
server_names_hash_bucket_size 256;
client_header_buffer_size 256k;
large_client_header_buffers 4 256k;
#size limits
client_max_body_size 50m;
client_body_buffer_size 256k;
client_header_timeout 3m;
client_body_timeout 3m;
send_timeout 3m;
#参数都有所调整.目的是解决代理过程中出现的一些502 499错误
sendfile on;
tcp_nopush on;
keepalive_timeout 120; #参数加大,以解决做代理时502错误
tcp_nodelay on;
include vhosts/upstream.conf;
include vhosts/bbs.linuxtone.conf;
}
2 upstream.conf 配置文件(这也是做负载的配置方法
upstream.conf
upstream bbs.linuxtone.com {
server 192.168.1.4:8099;
}
3 站点配置文件
bbs.linuxtone.conf
server
{
listen 80;
server_name bbs.linuxtone.conf;
charset GB2312;
index index.html index.htm;
root /date/wwwroot/linuxtone/;
location ~ ^/NginxStatus/ {
stub_status on;
access_log off;
}
location / {
root /date/wwwroot/linuxtone/;
proxy_redirect off ;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header REMOTE-HOST $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 50m;
client_body_buffer_size 256k;
proxy_connect_timeout 30;
proxy_send_timeout 30;
proxy_read_timeout 60;
proxy_buffer_size 256k;
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;
proxy_temp_file_write_size 256k;
proxy_next_upstream error timeout invalid_header http_500
http_503 http_404;
proxy_max_temp_file_size 128m;
proxy_pass http://bbs.linuxtone.com;
}
参数都有所调整.目的是解决代理过程中出现的一些502 499错误
#Add expires header for static content
location ~* /.(jpg|jpeg|gif|png|swf)$ {
if (-f $request_filename) {
root /date/wwwroot/linuxtone/;
expires 1d;
break;
}
}
log_format access '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" $http_x_forwarded_for';
access_log /exp/nginxlogs/bbs.linuxtone_access.log access;
}
以上就是对Nginx反向代理的详细介绍,希望大家有所收获。
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