CentOS6.5環境にnginxサーバーをインストールして負荷分散を設定する方法

[root@localhost pcre-8.36]# cd /tmp/download/ [root@localhost download]# wget http://nchc.dl.sourceforge.net/project/pcre/pcre/8.37/pcre-8.37.tar.gz [root@localhost download]# tar zxvf pcre-8.36.tar.gz

[root@localhost pcre-8.36]# cd /tmp/download/ [root@localhost download]# wget http://ncu.dl.sourceforge.net/project/libpng/zlib/1.2.8/zlib-1.2.8.tar.gz [root@localhost download]# tar -zxvf zlib-1.2.8.tar.gz cd zlib-1.2.8

[root@localhost zlib-1.2.8]# cd .. [root@localhost download]# wget http://www.openssl.org/source/openssl-1.0.1p.tar.gz [root@localhost download]# cd openssl-1.0.1c [root@localhost openssl-1.0.1c]# tar -zxvf openssl-1.0.1c.tar.gz

[root@localhost download]# wget http://nginx.org/download/nginx-1.2.8.tar.gz [root@localhost download]# tar -zxvf nginx-1.2.8.tar.gz

[root@localhost download]mv pcre-8.36 /usr/local/ [root@localhost download]mv zlib-1.2.8 /usr/local/ [root@localhost download]mv openssl-1.0.1c /usr/local/ [root@localhost download]mv nginx-1.2.8 /usr/local/ [root@localhost download]cd /usr/local/ [root@localhost local]# cd pcre-8.36 [root@localhost pcre-8.36]# ./configure&&make&&make install [root@localhost pcre-8.36] cd ../zlib-1.2.8 [root@localhost zlib-1.2.8]# ./configure && make && make install [root@localhost zlib-1.2.8]# cd ../openssl-1.0.1c [root@localhost openssl-1.0.1c]# ./config && make && make install [root@localhost openssl-1.0.1c]# cd ../nginx-1.2.8 [root@localhost nginx-1.2.8]# ./configure --prefix=/usr/local/nginx && make && make install

[root@localhost logs]# vi /etc/init.d/nginx

#!/bin/bash # nginx startup script for the nginx http server # it is v.0.0.2 version. # chkconfig: - 85 15 # description: nginx is a high-performance web and proxy server. # it has a lot of features, but it's not for everyone. # processname: nginx # pidfile: /var/run/nginx.pid # config: /usr/local/nginx/conf/nginx.conf nginxd=/usr/local/nginx/sbin/nginx nginx_config=/usr/local/nginx/conf/nginx.conf nginx_pid=/var/run/nginx.pid retval=0 prog="nginx" # source function library. . /etc/rc.d/init.d/functions # source networking configuration. . /etc/sysconfig/network # check that networking is up. [ ${networking} = "no" ] && exit 0 [ -x $nginxd ] || exit 0 # start nginx daemons functions. start() { if [ -e $nginx_pid ];then echo "nginx already running...." exit 1 fi echo -n $"starting $prog: " daemon $nginxd -c ${nginx_config} retval=$? echo [ $retval = 0 ] && touch /var/lock/subsys/nginx return $retval } # stop nginx daemons functions. stop() { echo -n $"stopping $prog: " killproc $nginxd retval=$? echo [ $retval = 0 ] && rm -f /var/lock/subsys/nginx /var/run/nginx.pid } # reload nginx service functions. reload() { echo -n $"reloading $prog: " #kill -hup `cat ${nginx_pid}` killproc $nginxd -hup retval=$? echo } # see how we were called. case "$1" in start) start ;; stop) stop ;; reload) reload ;; restart) stop start ;; status) status $prog retval=$? ;; *) echo $"usage: $prog {start|stop|restart|reload|status|help}" exit 1 esac exit $retval

[root@localhost ~]# chmod a+x /etc/init.d/nginx [root@localhost logs]# /etc/init.d/nginx status nginx (pid 2417 2416) is running... [root@localhost logs]# /etc/init.d/nginx stop stopping nginx: [ ok ] [root@localhost logs]# /etc/init.d/nginx start starting nginx: [ ok ] [root@localhost logs]# /etc/init.d/nginx status nginx (pid 2454 2452) is running... [root@localhost ~]# vi /etc/rc.local

/etc/init.d/nginx start

[root@a conf]# vi /usr/local/nginx/conf/nginx.conf

worker_processes 8; pid /usr/local/nginx/nginx.pid; worker_rlimit_nofile 102400; events { use epoll; worker_connections 102400; } http { include mime.types; default_type application/octet-stream; fastcgi_intercept_errors on; charset utf-8; server_names_hash_bucket_size 128; client_header_buffer_size 4k; large_client_header_buffers 4 32k; client_max_body_size 300m; sendfile on; tcp_nopush on; keepalive_timeout 60; tcp_nodelay on; client_body_buffer_size 512k; proxy_connect_timeout 5; proxy_read_timeout 60; proxy_send_timeout 5; proxy_buffer_size 16k; proxy_buffers 4 64k; proxy_busy_buffers_size 128k; proxy_temp_file_write_size 128k; gzip on; gzip_min_length 1k; gzip_buffers 4 16k; gzip_http_version 1.1; gzip_comp_level 2; gzip_types text/plain application/x-javascript text/css application/xml; gzip_vary on; ###2012-12-19 change nginx logs log_format main '$http_x_forwarded_for - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" $request_time $remote_addr'; upstream web_app { server 192.168.137.197:8080 weight=1 max_fails=2 fail_timeout=30s; server 192.168.137.33:8080 weight=1 max_fails=2 fail_timeout=30s; server 10.10.33.59:8080 weight=1 max_fails=2 fail_timeout=30s; } ####chinaapp.sinaapp.com server { listen 80; server_name chinaapp.sinaapp.com; index index.jsp index.html index.htm; #发布目录/data/www root /data/www; location / { proxy_next_upstream http_502 http_504 error timeout invalid_header; proxy_set_header host $host; proxy_set_header x-real-ip $remote_addr; proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for; proxy_pass http://web_app; expires 3d; } } }

[root@a conf]# vi /etc/hosts

127.0.0.1 web_app

[root@a program]# curl "http://web_app/index.jsp"

[root@localhost pcre-8.37]# yum install -y gcc gcc-c++

[root@localhost nginx]# /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf /usr/local/nginx/sbin/nginx: error while loading shared libraries: libpcre.so.1: cannot open shared object file: no such file or directory

[root@localhost nginx]# cd /usr/local/ [root@localhost local]# ls /lib64/ |grep pcre libpcre.so.0 libpcre.so.0.0.1 [root@localhost local]# ls /lib/ |grep pcre

[root@localhost local]# ln -s /lib64/libpcre.so.0.0.1 /lib64/libpcre.so.1 [root@localhost local]# cd nginx [root@localhost nginx]# /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf