构建企业级LAMMP环境

一、LAMMP简介

二、LAMMP项目环境简介

三、Apache的安装与配置

四、FastCGI的安装与配置

五、整合Apache与PHP服务

六、安装Mysql服务器

七、安装Memcache与libevent

八、安装Memcache 基于Web管理平台



一、LAMMP简介

    LAMP(Linux- Apache-MySQL-PHP)网站架构是目前国际流行的Web框架,该框架包括:Linux操作系统,Apache网络服务器,MySQL数据 库,Perl、PHP或者Python编程语言,所有组成产品均是开源软件,是国际上成熟的架构框架,很多流行的商业应用都是采取这个架构,和 Java/J2EE架构相比,LAMP具有Web资源丰富、轻量、快速开发等特点,微软的.NET架构相比,LAMP具有通用、跨平台、高性能、低价格的 优势,因此LAMP无论是性能、质量还是价格都是企业搭建网站的首选平台。在此基础上我们增加了Memcache缓冲服务器,解决了应用程序与数据库之间的瓶颈问题,有效提高了访问速度,这就是LAMMP架构。


二、LAMMP项目环境简介

系统环境:Centos6.4x86-64            

Apache   IP: 172.16.10.1

PHP      IP:172.16.10.2

Mysql    IP:172.16.10.3

Memcache IP: 172.16.10.4


  此LAMMP架构是分别搭建在不同的服务器上面,在生产环境中,更是应该如此,一台服务器提供多种应用,服务器会很消耗资源,提供服务的性能也会降低。

此架构中各服务器的工作

     Apache在此架构中,响应回复用户html的请求

     FastCGI是把php程序执行的结果响应给Apache

     Memcached是根据用户请求的动态网页文件中是否需要Memcached服务器缓存数据,Memcache是把数据存储在内存中的,速度可想而知了。

     Mysql是响应用户是否需写入查询数据

用户的请求资源到获取资源的过程

   1、当用户只需要请求web服务器的html页面时,Apache直接响应请求,所经过的过程为1--->10

   2、当用户需请求一个web服务器的动态的页面时,Apache把用户请求的php执行程序发送给FastCGI服务器执行,FastCGI把执行的结果返回给Apache服务器,服务器把程序生成的的静态页面响应给客户端。所经过的过程1--->2--->3--->8--->9--->10

   3、当用户需要请求的web服务器资源中需要数据时,Apache把用户请求的php执行  程序给FastCGI执行,执行过程中需要对数据进行操作时且Memcached中没有缓存时,FastCGI去请求Mysql服务器的资源,mysql服务器把数据响应给FastCGI,如果此数据需要缓存则FastCGI把数据缓存到Memcached服务器上,然后把数据响应给Apache,Apache生成静态的页面响应给客户端。所经过的过程1--->2--->3--->6--->7[--->4]--->8--->9--->10(如果需要缓存则会经过4过程)

   4、当用户需要请求的web服务器资源中需要数据时,Apache把用户请求的php执行程序给 FastCGI执行,执行过程中需要对数据进行操作时Memcached中有缓存时,Memcached直接把 数据响应给FastCGI,然后把数据响应给Apache,Apache生成静态的页面响应给客户端。所经过的过程1--->2--->3--->4--->5--->8--->9--->10


为了解决软件包下载的问题,特提供软件包的下载地址:

  1. apr版本:apr-1.4.8

  2. 下载地址http://mirror.bit.edu.cn/apache//apr/apr-1.4.8.tar.bz2

  3. apr-util版本:apr-util-1.5.2

  4. 下载地址:http://mirror.bit.edu.cn/apache//apr/apr-util-1.5.2.tar.bz2

  5. Httpd版本:httpd-2.4.6            

  6. 下载地址:http://mirror.esocc.com/apache//httpd/httpd-2.4.6.tar.bz2

  7. Memcached版本:memcached-1.4.15    

  8. 下载地址:http://memcached.googlecode.com/files/memcached-1.4.15.tar.gz

  9. Mysql版本:mysql-5.5.33              

  10. 下载地址:http://mirrors.sohu.com/mysql/MySQL-5.5/mysql-5.5.33-linux2.6-x86_64.tar.gz

  11. PHP版本:php-5.4.19                  

  12. 下载地址:http://mirrors.sohu.com/php/php-5.4.19.tar.bz2

  13. PHP的Memcache驱动:memcache-2.2.7    

  14. 下载地址:http://pecl.php.net/get/memcache-2.2.7.tgz

  15. Libevent版本:libevent-2.0.21-stable  

  16. 下载地址:http://cloud.github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz


系统的yum源为搜狐源,


三、Apache的安装与配置

  • 准备系统环境:

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[root@localhost httpd- 2.4 . 6 ]# yum install pcre-devel   openssl-devel -y
  • 安装apr

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[root@localhost ~] # tar xf apr-1.4.6.tar.bz2
[root@localhost apr-1.4.6] # ./configure --prefix=/usr/local/httpd/apr
[root@localhost apr-1.4.6] # make && make install


  • 安装apr-util

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[root@localhost ~]#  tar xf apr-util- 1.5 . 2 .tar.bz2
[root@localhost apr-util- 1.5 . 2 ]# ./configure --prefix=/usr/local/httpd/apr-util -- with -apr=/usr/local/httpd/apr/
[root@localhost apr-util- 1.5 . 2 ]# make && make install
  • 安装Apache

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[root@localhost ~]# tar xf httpd- 2.4 . 6 .tar.bz2
[root@localhost ~]# cd httpd- 2.4 . 6
[root@localhost httpd- 2.4 . 6 ]# ./configure --prefix=/usr/local/httpd/apache --sysconfdir=/etc/httpd --enable-so --enable-ssl --enable-cgi --enable-rewrite -- with -zlib -- with -pcre -- with -apr=/usr/local/httpd/apr -- with -apr-util=/usr/local/httpd/apr-util --enable-modules=most --enable-mpms-shared=all -- with -mpm=event
[root@localhost httpd- 2.4 . 6 ]# make && make install


  • 提供SysV服务脚本/etc/rc.d/init.d/httpd,内容如下

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#!/bin/bash
#
# httpd        Startup script for the Apache HTTP Server
#
# chkconfig: - 85 15
# description: Apache is a World Wide Web server.  It is used to serve \
#        HTML files and CGI.
# processname: httpd
# config: /etc/httpd/conf/httpd.conf
# config: /etc/sysconfig/httpd
# pidfile: /var/run/httpd.pid
# Source function library.
. /etc/rc .d /init .d /functions
if [ -f /etc/sysconfig/httpd ]; then
. /etc/sysconfig/httpd
fi
# Start httpd in the C locale by default.
HTTPD_LANG=${HTTPD_LANG- "C" }
# This will prevent initlog from swallowing up a pass-phrase prompt if
# mod_ssl needs a pass-phrase from the user.
INITLOG_ARGS= ""
# Set HTTPD=/usr/sbin/httpd.worker in /etc/sysconfig/httpd to use a server
# with the thread-based "worker" MPM; BE WARNED that some modules may not
# work correctly with a thread-based MPM; notably PHP will refuse to start.
# Path to the apachectl script, server binary, and short-form for messages.
apachectl= /usr/local/apache/bin/apachectl
httpd=${HTTPD- /usr/local/httpd/apache/bin/httpd }
prog=httpd
pidfile=${PIDFILE- /usr/local/httpd/apache/logs/httpd .pid}
lockfile=${LOCKFILE- /var/lock/subsys/httpd }
RETVAL=0
start() {
echo -n $ "Starting $prog: "
LANG=$HTTPD_LANG daemon --pidfile=${pidfile} $httpd $OPTIONS
RETVAL=$?
echo
[ $RETVAL = 0 ] && touch ${lockfile}
return $RETVAL
}
stop() {
echo -n $ "Stopping $prog: "
killproc -p ${pidfile} -d 10 $httpd
RETVAL=$?
echo
[ $RETVAL = 0 ] && rm -f ${lockfile} ${pidfile}
}
reload() {
echo -n $ "Reloading $prog: "
if ! LANG=$HTTPD_LANG $httpd $OPTIONS -t >& /dev/null ; then
RETVAL=$?
echo $ "not reloading due to configuration syntax error"
failure $ "not reloading $httpd due to configuration syntax error"
else
killproc -p ${pidfile} $httpd -HUP
RETVAL=$?
fi
echo
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
status)
status -p ${pidfile} $httpd
RETVAL=$?
;;
restart)
stop
start
;;
condrestart)
if [ -f ${pidfile} ] ; then
stop
start
fi
;;
reload)
reload
;;
graceful|help|configtest|fullstatus)
$apachectl $@
RETVAL=$?
;;
*)
echo $ "Usage: $prog {start|stop|restart|condrestart|reload|status|fullstatus|graceful|help|configtest}"
exit 1
esac
exit $RETVAL


  • 为此脚本赋予执行权限

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[root@localhost init.d]# chmod +x /etc/rc.d/init.d/httpd


  • 将httpd加入服务列表

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[root@localhost init.d] # chkconfig --add httpd


  • 启动httpd服务

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[root@localhost init.d] # service httpd  start


  • 客户端访问测试



四、FastCGI的安装与配置

  • 系统环境安装

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[root@localhost php- 5.4 . 19 ]# yum install libxml2-devel   openssl-devel  bzip2-devel libmcrypt-devel   -y


  • 安装php服务

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[root@localhost ~]# tar xf php- 5.4 . 19 .tar.bz2
[root@localhost ~]# cd php- 5.4 . 19
[root@localhost php- 5.4 . 19 ]# ./configure --prefix=/usr/local/httpd/php -- with -mysql=mysqlnd -- with -openssl -- with -mysqli=mysqlnd --enable-mbstring -- with -freetype-dir -- with -jpeg-dir -- with -png-dir -- with -zlib -- with -libxml-dir=/usr --enable-xml  --enable-sockets --enable-fpm -- with -mcrypt  -- with -config-file-path=/etc -- with -config-file-scan-dir=/etc/php.d -- with -bz2
[root@localhost php- 5.4 . 19 ]# make && make install


  • 为php提供配置文件

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[root@localhost php- 5.4 . 19 ]# cp php.ini-production /etc/php.ini


  • 为php-fpm提供Sysv init脚本,并将其添加至服务列表

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[root@localhost php- 5.4 . 19 ]# cp sapi/fpm/init.d.php-fpm /etc/rc.d/init.d/php-fpm[root@localhost php- 5.4 . 19 ]# chmod +x /etc/rc.d/init.d/php-fpm
[root@localhost php- 5.4 . 19 ]# chkconfig --add php-fpm
[root@localhost php- 5.4 . 19 ]# chkconfig php-fpm on


  • 为php-fpm提供配置文件:

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[root@localhost php- 5.4 . 19 ]# cp /usr/local/httpd/php/etc/php-fpm.conf. default /usr/local/httpd/php/etc/php-fpm.conf


  • 编辑php-fpm配置文件

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[root@localhost php- 5.4 . 19 ]# vim /usr/local/httpd/php/etc/php-fpm.conf
listen = 172.16 . 10.2 : 9000 #设置本机IP监听 9000 端口
pm.max_children = 50 # 设置生成子进程数(设置并发量)                                            
pm.start_servers = 5 #设置开机启动进程数
pm.min_spare_servers = 2 #设置最小空闲进程数
pm.max_spare_servers = 5 #设置最大空闲进程数
pid = /usr/local/httpd/php/ var /run/php-fpm.pid     #指定pid文件
error_log = log/php-fpm.log                        #开启日志功能

注释:

   第2-6行:更具个人服务器系统性能进行调试


  • 启动php-fpm服务

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[root@localhost php- 5.4 . 19 ]# service php-fpm start


  • 查看服务是否已经启动

五、整合Apache与PHP服务

  • 配置Apache服务器

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[root@localhost init.d]# vim /etc/httpd/httpd.conf
LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_fcgi_module modules/mod_proxy_fcgi.so
Include /etc/httpd/extra/httpd-vhosts.conf  #支持虚拟主机
AddType application/x-httpd-php  .php       #添加此行
AddType application/x-httpd-php-source  .phps   #添加此行
DirectoryIndex  index.php  index.html           # 增加index.php


  • 设置虚拟主机

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[root@localhost init.d]# vim /etc/httpd/extra/httpd-vhosts.conf
<VirtualHost *: 80 >
DocumentRoot "/web/htdoc"
ServerName www.xiaodong.com
ServerAlias xiaodong.com
ProxyRequests Off
ProxyPassMatch ^/(.*\.php)$ fcgi: //172.16.10.2:9000/web/htdoc/$1
<Directory "/web/htdoc" >
Options none
AllowOverride none
Require all granted
</Directory>
</VirtualHost>


  • 重新启动httpd服务

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[root@localhost htdoc]# service httpd restart


  • 创建站点目录(注意在apache服务器和FastcGI服务器都需要创建)

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[root@localhost php- 5.4 . 19 ]# mkdir -pv /web/htdoc
mkdir: created directory `/web'
mkdir: created directory `/web/htdoc'
  • 在FastcGI服务器上创建php测试脚本

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[root@localhost htdoc]# pwd
/web/htdoc
[root@localhost htdoc]# cat > index.php << EOF
> <?php
> phpinfo();
> ?>
> EOF
[root@localhost htdoc]#


  • 客户端测试php是否工作正常


六、安装Mysql服务器

Mysq有三种安装方式

  1. rpm包

  2. 通用二进制包

  3. 源码包

此处我们采用通用二进制包安装


  • 创建Mysql数据的存放路径

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[root@localhost ~] # mkdir -pv /mydata/data/
[root@localhost ~] #
[root@localhost ~] #


  • 创建Mysql用户并修改权限

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[root@localhost ~]#groupadd -r mysql
[root@localhost ~]# useradd -g mysql -r -s /sbin/nologin -M -d /mydata/data mysql
[root@localhost ~]#chown -R mysql:mysql /mydata/data


  • 安装并初始化mysql

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[root@localhost ~] # tar xf mysql-5.5.33-linux2.6-x86_64.tar.gz
[root@localhost ~] # mv mysql-5.5.33-linux2.6-x86_64 /usr/local/
[root@localhost ~] #cd /usr/local/
[root@localhost local ] # ln -sv mysql-5.5.33-linux2.6-x86_64/ mysql
[root@localhost local ] #cd mysql
[root@localhost mysql] # chown -R mysql:mysql  .
[root@localhost mysql] # scripts/mysql_install_db --user=mysql --datadir=/mydata/data
[root@localhost mysql] #  chown -R root  .
[root@localhost mysql] #


  • 为mysql提供主配置文件

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[root@localhost ~] # cd /usr/local/
[root@localhost local ] # cd mysql
[root@localhost mysql] # cp support-files/my-large.cnf  /etc/my.cnf
  • 修改主配置文件

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[root@localhost mysql]# vim /etc/my.cnf
thread_concurrency = 8 #设置为cpu个数的 2
datadir = /mydata/data       #指定数据库文件存放路径


  • 为mysql提供sysv服务脚本并添加到服务列表

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[root@localhost mysql]# cp support-files/mysql.server  /etc/rc.d/init.d/mysqld
[root@localhost mysql]# chmod +x /etc/rc.d/init.d/mysqld
[root@localhost mysql]# chkconfig --add mysqld
[root@localhost mysql]# chkconfig mysqld on


  • 输出mysql的man手册至man命令的查找路径

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[root@localhost mysql]# echo 'MANPATH  /usr/local/mysql/man' >> /etc/man.config


  • 输出mysql的头文件至系统头文件路径/usr/include

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[root@localhost mysql]#ln -sv /usr/local/mysql/ include /usr/ include /mysql


  • 修改完成之后重新载入系统库

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[root@localhost mysql]#ldconfig


  • 修改PATH环境变量,让系统可以直接使用mysql的相关命令。

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[root@localhost mysql]#echo 'export PATH=/usr/local/mydql/bin:$PATH' > /etc/profile.d/mysql.sh


  • 启动mysqld服务

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[root@localhost mysql]# service mysqld start


  • 数据库授权

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[root@localhost mysql]# mysql
mysql> GRANT ALL ON *.* TO 'root' @ '172.16.%.%' IDENTIFIED BY 'mypass' ;
Query OK, 0 rows affected ( 0.00 sec)
mysql>


  • apache和FastcGI配置phpMyadmin

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[root@localhost ]# unzip phpMyAdmin- 4.0 . 5 -all-languages.zip
[root@localhost ]# mv phpMyAdmin- 4.0 . 5 -all-languages /web/htdoc/php
[root@localhost ]#cd /web/htdoc/php
[root@localhost php]# cp config.sample.inc.php config.inc.php
[root@localhost php]# vim config.inc.php
$cfg[ 'Servers' ][$i][ 'host' ] = '172.16.10.3' ;  #指定mysql的IP


  • 客户端连接测试


七、安装Memcache与libevent

  • 安装libevent

memcached依赖于libevent API,因此要事先安装。

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[root@localhost ~]# tar xf libevent- 2.0 . 21 -stable.tar.gz
[root@localhost ~]# cd libevent- 2.0 . 21 -stable
[root@localhost libevent- 2.0 . 21 -stable]# ./configure --prefix=/usr/local/libevent
[root@localhost libevent- 2.0 . 21 -stable]# make && make install


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[root@localhost ~]# ln -sv /usr/local/libevent/ include / /usr/ include /libevent
`/usr/ include /libevent ' -> `/usr/local/libevent/include/'
[root@localhost ~]# echo "/usr/local/libevent/lib/" > /etc/ld.so.conf.d/libevent.conf
[root@localhost ~]# ldconf
  • 安装memcache

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[root@localhost ~]# tar memcached- 1.4 . 15 .tar.gz
tar: Old option `g' requires an argument.
Try `tar --help ' or `tar --usage' for more information.
[root@localhost ~]# tar xf memcached- 1.4 . 15 .tar.gz
[root@localhost ~]# cd memcached- 1.4 . 15
[root@localhost memcached- 1.4 . 15 ]# ./configure --prefix=/usr/local/memcached -- with -libevent=/usr/local/libevent
[root@localhost memcached- 1.4 . 15 ]# make && make install


  • 为memcached 提供SysV风格的startup脚本代码如下所示

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[root@localhost bin]# vim /etc/init.d/memcached
#!/bin/bash
#
# Init file for memcached
#
# chkconfig: - 86 14
# description: Distributed memory caching daemon
#
# processname: memcached
# config: /etc/sysconfig/memcached
. /etc/rc.d/init.d/functions
## Default var iables
PORT= "11211"
USER= "nobody"
MAXCONN= "1024"
CACHESIZE= "64"
OPTIONS= ""
RETVAL= 0
prog= "/usr/local/memcached/bin/memcached"
desc= "Distributed memory caching"
lockfile= "/var/lock/subsys/memcached"
start() {
echo -n $ "Starting $desc (memcached): "
daemon $prog -d -p $PORT -u $USER -c $MAXCONN -m $CACHESIZE
RETVAL=$?
[ $RETVAL -eq 0 ] && success && touch $lockfile || failure
echo
return $RETVAL
}
stop() {
echo -n $ "Shutting down $desc (memcached): "
killproc $prog
RETVAL=$?
[ $RETVAL -eq 0 ] && success && rm -f $lockfile || failure
echo
return $RETVAL
}
restart() {
stop
start
}
reload() {
echo -n $ "Reloading $desc ($prog): "
killproc $prog -HUP
RETVAL=$?
[ $RETVAL -eq 0 ] && success || failure
echo
return $RETVAL
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
restart
;;
condrestart)
[ -e $lockfile ] && restart
RETVAL=$?
;;
reload)
reload
;;
status)
status $prog
RETVAL=$?
;;
*)
echo $ "Usage: $0 {start|stop|restart|condrestart|status}"
RETVAL= 1
esac
exit $RETVAL
[root@localhost bin]# chmod +x /etc/init.d/memcached
[root@localhost bin]# service memcached start
Starting Distributed memory caching (memcached):           [  OK  ]
[root@localhost bin]#


  • 查看memcached监听端口


  • 安装Memcache的PHP扩展(php的驱动)

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[root@localhost ~] # tar xf memcache-2.2.7.tgz
[root@localhost ~] # cd memcache-2.2.7
[root@localhost memcache-2.2.7] # /usr/local/httpd/php/bin/phpize
Configuring for :
PHP Api Version:         20100412
Zend Module Api No:      20100525
Zend Extension Api No:   220100525
[root@localhost memcache-2.2.7] # ./configure --with-php-config=/usr/local/httpd/php/bin/php-config  --enable-memcache
[root@localhost memcache-2.2.7] # make  && make install
Build complete.
Don 't forget to run ' make test '.
Installing shared extensions:     /usr/local/httpd/php/lib/php/extensions/no-debug-non-zts-20100525/ #安装之后生成模块的路径
[root@localhost memcache-2.2.7] #


  • 修改php配置文件加载memcached模块

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[root@localhost memcache- 2.2 . 7 ]# vim /etc/php.ini
;extension=php_pspell.dll
;extension=php_shmop.dll
extension=/usr/local/httpd/php/lib/php/extensions/no-debug-non-zts- 20100525 /memcache.so  #添加此行,添加模块


  • 重新启动此服务php-fpm

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[root@localhost htdoc]# service php-fpm restart
Gracefully shutting down php-fpm . done
Starting php-fpm  done
[root@localhost htdoc]#


  • 此时在客户端测试php与memcache是否连接成功


  • 测试memcached与php是否工作正常

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[root@localhost htdoc]# pwd
/web/htdoc
[root@localhost htdoc]# cat test.php
<?php
$mem = new Memcache;
$mem->connect( "172.16.10.4" , 11211 )  or die( "Could not connect" );
$version = $mem->getVersion();
echo "Server's version: " .$version. "<br/>\n" ;
$mem-> set ( 'hellokey' , 'Hello World' , 0 , 600 ) or die( "Failed to save data at the memcached server" );
echo "Store data in the cache (data will expire in 600 seconds)<br/>\n" ;
$get_result = $mem-> get ( 'hellokey' );
echo "$get_result is from memcached server." ;
?>
  • 客户端再次访问测试


八、安装Memcache 基于Web管理平台

  • 创建memcache站点目录(注意在apache服务器和FastcGI服务器都需要创建)


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[root@localhost ~]# mkdir -pv /web/htdoc/mem
[root@localhost ~]# unzip memadmin-master.zip
[root@localhost ~]# cd memadmin-master
[root@localhost memadmin-master]# ls
apps        images   index.php  LICENSE.txt  views
config.php   include langs      README.txt
[root@localhost memadmin-master]# mv * /web/htdoc/mem


  • 客户端访问测试


注意要想使用memcache功能,首先需要确定程序是支持memcache的,否则此时的memcache没有任何意义。。。

至此LAMMP环境搭建完成。。。



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