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RHEL5.8搭建LNMP平台实例

2015-09-21 16:11 666 查看
nginx在处理并发方面有着很不错的表现,相对于较为常用的LAMP平台(Linux + Apache + Mysql + PHP), LNMP也越来越多的被使用,当站点的并发访问量较大时,nginx的确是一个不错的选择,不过nginx与php是通过php-fpm的方式整合的,也就是fastcgi,这要求php-fpm单独启用一个进程,至于如何选择,应根据实际生产环境需要来加以应用。

实验规划:
系统平台: RHEL5.8-i386
nginx:nginx-1.4.7.tar
mysql: mysql-5.5.44-linux2.6-i686.tar
php: php-5.4.41.tar

一,安装nginx:
1,解决依赖关系:

# yum -y groupinstall "Development Libraries" "Development Tools"
# yum -y install pcre-devel
2,添加nginx的运行用户和组:
# groupadd -r nginx
# useradd -r -g nginx nginx
3,编译安装nginx:
# tar xf nginx-1.4.7.tar.gz
# cd nginx-1.4.7
# ./configure
--prefix=/usr \
--sbin-path=/usr/sbin/nginx \
--conf-path=/etc/nginx/nginx.conf \
--error-log-path=/var/log/nginx/error.log \
--http-log-path=/var/log/nginx/access.log \
--pid-path=/var/run/nginx/nginx.pid  \
--lock-path=/var/lock/nginx.lock \
--user=nginx \
--group=nginx \
--with-http_ssl_module \
--with-http_flv_module \
--with-http_stub_status_module \
--with-http_gzip_static_module \
--http-client-body-temp-path=/var/tmp/nginx/client/ \
--http-proxy-temp-path=/var/tmp/nginx/proxy/ \
--http-fastcgi-temp-path=/var/tmp/nginx/fcgi/ \
--http-uwsgi-temp-path=/var/tmp/nginx/uwsgi \
--http-scgi-temp-path=/var/tmp/nginx/scgi \
--with-pcre
# make && make install
启动nginx

# /usr/sbin/nginx
测试nginx

# netstat -tnlp | grep :80
tcp        0      0 0.0.0.0:80                  0.0.0.0:*                   LISTEN      31103/nginx
# curl
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
...以下内容省略
看到如上提示,说明你的nginx可以正常工作了。

二、安装mysql-5.5.44
1,首先要准备一个存放数据的文件系统,建议使用lvm
# vgs
VG      #PV #LV #SN Attr   VSize  VFree
vg_root   1   1   0 wz--n- 97.70G 48.58G
# lvcreate -L 300M -n mydata /dev/vg_root/
# mkfs.ext3 /dev/vg_root/mydata
# mkdir /mydata
# mount /dev/vg_root/mydata /mydata
# cd /mydata
# mkdir data
2,创建mysql用户和mysql组:

# groupadd -r mysql
# useradd -r -g mysql -s /sbin/nologin -M -d /mydata/data mysql
# chown -R mysql:mysql /mydata/data
3,安装并初始化mysql

# tar xf mysql-5.5.44-linux2.6-i686.tar.gz -C /usr/local
# ln -sv /usr/local/mysql-5.5.44-linux2.6-i686 /usr/local/mysql
# cd /usr/local/mysql
# chown -R mysql:mysql .
# scripts/mysql_install_db --user=mysql --datadir=/mydata/data
# chown -R root .
4.为mysql提供主配置文件:
# cd /usr/local/mysql
# cp support-files/my-large.cnf  /etc/my.cnf
并修改此文件中thread_concurrency的值为你的CPU个数乘以2,比如这里使用如下行:
thread_concurrency = 2
另外还需要添加mysql数据文件的存放位置:
datadir = /mydata/data
5,为mysql提供sysv脚本

# cd /usr/local/mysql
# cp support-files/mysql.server  /etc/rc.d/init.d/mysqld
# chkconfig --add mysqld
# chkconfig mysqld on
6,导出mysql的man手册:
编辑/etc/man.config,添加如下行即可:
MANPATH  /usr/local/mysql/man
7,输出mysql头文件至系统头文件目录
# ln -sv /usr/local/mysql/include  /usr/include/mysql
8,输出mysql的库文件至系统库文件的路径:
# echo '/usr/local/mysql/lib' > /etc/ld.so.conf.d/mysql.conf
# ldconfig -v
9,修改PATH环境变量:
# echo "export PATH=$PATH:/usr/local/mysql/bin" > /etc/profile.d/mysql.sh
# . /etc/profile.d/mysql.sh
10,测试启动mysql服务:
# service mysqld start
# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.5.44-log MySQL Community Server (GPL)
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
至此,mysql-5.5.44安装完成。

三,安装PHP-5.5.41
1,编译安装php
# tar xf php-5.4.41.tar.bz2
# cd php-5.4.41
#  ./configure --prefix=/usr/local/php --with-mysql=/usr/local/mysql --with-openssl --enable-fpm --enable-sockets --enable-sysvshm  --with-mysqli=/usr/local/mysql/bin/mysql_config --enable-mbstring --with-freetype-dir --with-jpeg-dir --with-png-dir --with-zlib-dir --with-libxml-dir=/usr --enable-xml --with-config-file-path=/etc --with-config-file-scan-dir=/etc/php.d --with-bz2 --with-curl
# make && make install
2,为php提供配置文件:
# cp php.ini-production /etc/php.ini
3,为php-fpm提供Sysv init脚本,并将其添加至服务列表:
# cp sapi/fpm/init.d.php-fpm  /etc/rc.d/init.d/php-fpm
# chmod +x /etc/rc.d/init.d/php-fpm
# chkconfig --add php-fpm
# chkconfig php-fpm on
4,为php-fpm提供配置文件:
# cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf
编辑php-fpm的配置文件:
# vim /usr/local/php/etc/php-fpm.conf
配置fpm的相关选项为你所需要的值(这里只是参考值,具体根据实际情况调整),并启用pid文件(如下最后一行):
pm.max_children = 150
pm.start_servers = 8
pm.min_spare_servers = 5
pm.max_spare_servers = 10
pid = /usr/local/php/var/run/php-fpm.pid
5,启动php-fpm:
# service php-fpm start
# netstat -tnlp | grep php-fpm
tcp        0      0 127.0.0.1:9000              0.0.0.0:*                   LISTEN      31025/php-fpm
PHP安装完成。

四,整合nginx和php5
1,编辑/etc/nginx/nginx.conf,启用如下选项:
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;
}
# 添加对php格式的主页
location / {
root   html;
index  index.php index.html index.htm;
}
2、编辑/etc/nginx/fastcgi_params,将其内容更改为如下内容:
fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
fastcgi_param  SERVER_SOFTWARE    nginx;
fastcgi_param  QUERY_STRING       $query_string;
fastcgi_param  REQUEST_METHOD     $request_method;
fastcgi_param  CONTENT_TYPE       $content_type;
fastcgi_param  CONTENT_LENGTH     $content_length;
fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
fastcgi_param  REQUEST_URI        $request_uri;
fastcgi_param  DOCUMENT_URI       $document_uri;
fastcgi_param  DOCUMENT_ROOT      $document_root;
fastcgi_param  SERVER_PROTOCOL    $server_protocol;
fastcgi_param  REMOTE_ADDR        $remote_addr;
fastcgi_param  REMOTE_PORT        $remote_port;
fastcgi_param  SERVER_ADDR        $server_addr;
fastcgi_param  SERVER_PORT        $server_port;
fastcgi_param  SERVER_NAME        $server_name;
3,重新载入nginx
# /usr/sbin/nginx -s reload
4,在/usr/html新建index.php的测试页面,测试php是否能正常工作:
# vim /usr/html/index.php
<h1>LNMP test</h1>
<?php
phpinfo();
?>
打开浏览器测试,如下


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