lamp的工作流程:

1. 用户发送http请求到达httpd服务器


2. httpd解析url获取需要的资源的路径,通过内核空间读取硬盘资源,如是静态资源,则构建响应报文,发回给用户


3. 如果是动态资源,将资源地址发给php解析器,解析php程序文件,解析完毕将内容发回给httpd,httpd构建响应报文,发回给用户


4. 如果涉及到数据库操作,则利用php-mysql驱动,获取数据库数据,返回给PHP解析器。

lamp的工作方式

1:将php编译成模块,使用内存共享的方式去解析PHP页面。

2:CGI,通用网关接口,apache基于CGI跟PHP通信,通过CGI调用PHP解释器。

3:fastcgi、是一种协议,CGI的升级版。

PHP作为一种模块或者PHP解释器运行,不是监听在某个套接字上接受别人请求的,在php5.3.3版本后直接编译成php-fpm模块,通过这个模块可以使PHP和WEB的通信基于某个套接字去调用PHP解释器或者别的动态脚本解释器,采用分层机制的方式将PHP和HTTP服务器进行分离。

使用脚本安装LAMP环境:

1)安装apachehttpd

脚本内容:

[root@www bin]# cat apache_install.sh

#!/bin/bash

#by linuxfan

rpm -e httpd httpd-manual --nodeps

ls /root/httpd*

if [ $? -eq 0 ];then

tar zxvf /root/httpd-2.2.17.tar.gz -C /usr/src/

cd /usr/src/httpd-2.2.17/

./configure --prefix=/usr/local/httpd --enable-rewrite --enable-so --disable-access 1>/dev/null

make &&make install

fi

[root@www bin]#

执行安装:

[root@www bin]# sh -x apache_install.sh 

验证:

[root@www bin]# yum -y install tree

[root@www bin]# tree -L 2 /usr/local/httpd/ 

/usr/local/httpd/

├── bin

   ├── ab

   ├── apachectl

   ├── apr-1-config

   ├── apu-1-config

   ├── apxs

   ├── checkgid

   ├── dbmmanage

2)优化httpd

 

[root@www bin]# cp /usr/local/httpd/bin/apachectl /etc/init.d/httpd  ##复制启动文件

[root@www bin]# vi /etc/init.d/httpd

set nu

      1 #!/bin/bash

      2 # chkconfig: 35 85 15

      3 # description: A scripts for apache httpd deamon.

      83  echo "httpd is $ARGV ! "

:wq

[root@www bin]# chkconfig --add httpd   ##添加为系统服务

[root@www bin]# chmod +x /etc/init.d/httpd  # #授权

[root@www bin]# /etc/init.d/httpd start

httpd is start !

[root@www bin]# netstat -utpln |grep 80

tcp        0      0 :::80           :::*              LISTEN      53516/httpd

3)安装mysql数据库:

脚本内容:

[root@www bin]# cat mysql_install.sh

#!/bin/bash

##第一配置yum,安装ncurses依赖包

yum -y install ncurses-*

#解压cmake,安装基础环境

tar zxvf /root/cmake-2.8.6.tar.gz -C /usr/src/

cd /usr/src/cmake-2.8.6

#配置,编译安装cmake

./configure &&gmake &&gmake install

##解压mysql

tar zxvf /root/mysql-5.5.22.tar.gz -C /usr/src/

cd /usr/src/mysql-5.5.22/

#cmake进行配置mysql

cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql   #指定安装目录\

-DDEFAULT_CHARSET=utf8   #指定字符集为utf8 \

-DDEFAULT_COLLATION=utf8_general_ci   ##指定字符校验 \

-DWITH_EXTRA_CHARSETS=all   ##支持额外字符集\

-DSYSCONFDIR=/etc/  ##指定配置文件位置

make &&make install   #编译安装

if [ -e /usr/local/mysql ];then

echo "mysql install successfully."

fi

[root@www bin]#

安装:

[root@www bin]# sh -x mysql_install.sh 

。。。。。省略。。。。。

+ echo 'mysql install successfully.'

mysql install successfully.

[root@www bin]# ls /usr/local/mysql/

bin      data  include         lib  mysql-test  scripts  sql-bench

COPYING  docs  INSTALL-BINARY  man  README      share    support-files

mysql只需要安装,不需要配置和启动。

4)安装php环境:

a.脚本内容:

[root@www bin]# cat php_install.sh

#!/bin/bash

##by linuxfan 20150611

#1.卸载已经安装rpm

rpm -qa |grep php

if [ $? -eq 0 ];then

rpm -e php php-mysql --nodeps

fi

#2.安装mcrypt支持,安装的顺序必须libmcrypt-->mhash-->mcrypt,每安装都必须ln链接到系统库中,echo "/usr/local/lib/" >>/etc/ld.conf&&ldconfig

##########install mcrypt###########

tar zxvf /root/libmcrypt-2.5.8.tar.gz -C /usr/src/

cd /usr/src/libmcrypt-2.5.8/

./configure &&make &&make install

ln -s /usr/local/lib/libmcrypt.* /usr/lib

 

tar zxvf /root/mhash-0.9.9.9.tar.gz -C /usr/src/

cd /usr/src/mhash-0.9.9.9/

./configure &&make &&make install

ln -s /usr/local/lib/libmhash* /usr/lib/

 

tar zxvf /root/mcrypt-2.6.8.tar.gz -C /usr/src/

cd /usr/src/mcrypt-2.6.8/

./configure &&make &&make install

#3.安装php

##############install php #############

yum -y install libxml2-* zlib-*

PHV=php-5.3.28

tar zxvf /root/$PHV.tar.gz -C /usr/src/

cd /usr/src/$PHV/

./configure --prefix=/usr/local/php5 --with-mcrypt --with-apxs2=/usr/local/httpd/bin/apxs --with-mysql=/usr/local/mysql/ \

 --with-config-file-path=/usr/local/php5 --enable-mbstring &&make &&make install

if [ -e /usr/local/php5 ]

then

echo "php install success."

fi

[root@www bin]#

 

b.执行安装脚本:

[root@www bin]# sh -x php_install.sh

+ echo 'php install success.'

php install success.

 

c. php配置脚本内容:

[root@www bin]# cat php_config.sh

#!/bin/bash

##by linuxfan

##############config php############

PHV=php-5.3.28

cp /usr/src/$PHV/php.ini-development /usr/local/php5/php.ini

#修改配置项支持php标记

sed -i 's/short_open_tag = Off/short_open_tag = On/g' /usr/local/php5/php.ini

##设置默认字符集utf8

echo "default_charset = "utf8" " >>/usr/local/php5/php.ini

###########add module zend############

ZDV=ZendGuardLoader-php-5.3-linux-glibc23-x86_64

tar zxvf /root/$ZDV.tar.gz -C /root/

cp -rf /root/$ZDV/php-5.3.x/ZendGuardLoader.so /usr/local/php5/lib/php/

cat <>/usr/local/php5/php.ini

zend_extension=/usr/local/php5/lib/php/ZendGuardLoader.so

zend_enable=1

END

[root@www bin]#

 

d.执行php配置脚本:

[root@www bin]# sh -x php_config.sh 

lamp配置脚本内容:

[root@www bin]# cat lamp_config.sh

#!/bin/bash

##by scfa 2015-06-30

################# Setting  apache  with  php  ################

#1.修改apache的配置文件

APACHE_C=/usr/local/httpd/conf/httpd.conf

##添加ServerName设置FQDN

sed -i '/^#ServerName/a ServerName www.linuxfan.cn' $APACHE_C

##在第310行后一行添加php应用类型的支持

sed -i '310a \    AddType application/x-httpd-php .php' $APACHE_C

##修改默认首页,支持index.php

sed -i 's/DirectoryIndex index.html/DirectoryIndex index.html index.php/g' $APACHE_C

netstat -uptln |grep 80 &>/dev/null

if [ $? -eq 0 ]

then

/usr/local/httpd/bin/apachectl  stop && /usr/local/httpd/bin/apachectl  start

netstat -uptln |grep 80

echo "apache  restart successful"

else

/usr/local/httpd/bin/apachectl start

netstat -utpln |grep 80

fi

[root@www bin]#

 

e.执行lamp配置脚本:

[root@www bin]# sh -x lamp_config.sh

测试页面脚本内容:

[root@www bin]# cat webpage.sh

#!/bin/bash

##by scfa 2015-06-30

#################  Test  Pages for php  and  mysql ############

DCT=/usr/local/httpd/htdocs/

cat  < $DCT/testa.php

phpinfo();

?>

END

 

cat  < $DCT/testm.php   ##由于本地mysql未启用

\$link=mysql_connect('192.168.100.112','root','123123');

if(\$link) echo "mysql ok!";

mysql_close();

?>

END

H_IP=$(ifconfig eth0 |awk -F '[ :]+' 'NR==2 {print $4}')

echo "Usage: http://$H_IP/testa.php  for test apache with php"

echo "Usage: http://$H_IP/testm.php  for test apache with mysql"

[root@www bin]#

 

f.执行脚本:

[root@www bin]# sh -x webpage.sh 

 

g.测试:

lamp脚本一键搭建_第1张图片 

lamp脚本一键搭建_第2张图片 

因为mysql还没有部署,才报的错误。

 

部署DB

 下载软件:

[root@db ~]# wget ftp://192.168.100.100/tools/lamp_install_publis-app-2015-07-16.tar.xz

[root@db ~]# tar Jxvf lamp_install_publis-app-2015-07-16.tar.xz

安装mysql数据:

mysql配置脚本内容:

[root@db ~]# cd bin/

[root@db bin]# cat mysql_config.sh 

#!/bin/bash

#1.复制配置文件

cp /usr/src/mysql-5.5.22/support-files/my-medium.cnf /etc/my.cnf

#2.添加系统服务

cp /usr/src/mysql-5.5.22/support-files/mysql.server /etc/init.d/mysqld

chmod +x /etc/init.d/mysqld

chkconfig --add mysqld

chkconfig mysqld  on

#3.优化PATH路径,执行命令时方便,单引号双引号都行

grep mysql /etc/profile

if [ $? -eq 0 ];then

echo "PATH is set."

else

echo "export PATH=$PATH:/usr/local/mysql/bin"  >>/etc/profile

source /etc/profile  ##执行文件

fi

#4.初始化mysql,创建用户,赋权

useradd -M -s /sbin/nologin mysql

chown -R mysql:mysql /usr/local/mysql

/usr/local/mysql/scripts/mysql_install_db  \

--basedir=/usr/local/mysql \

--datadir=/usr/local/mysql/data --user=mysql

#5.启动mysql,并设置为开机启动

if [ -e /tmp/mysql.sock ];then

/etc/init.d/mysqld restart

else

/etc/init.d/mysqld start

fi

chkconfig mysqld on

#6.修改密码,并提示密码

mysqladmin -u root password '123123'  &&echo "mysql root password is 123123"

 

[root@db bin]# sh  -x  mysql_install.sh  &&sh  -x  mysql_config.sh

[root@db bin]# source /etc/profile

[root@db bin]# mysql -uroot -p123123

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 2

Server version: 5.5.22-log Source distribution

 

Copyright (c) 2000, 2011, 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>

5.授权访问:

mysql> flush privileges;

mysql> grant all on *.* to 'root'@'192.168.100.111' identified by '123123';

Query OK, 0 rows affected (0.00 sec)

 

lamp脚本一键搭建_第3张图片 

6.项目上线:

1)简单优化mysql

 

a.删除空密码和空用户名的用户:

mysql> delete from mysql.user where user='';

Query OK, 2 rows affected (0.00 sec)

 

mysql> delete from mysql.user where password='';

Query OK, 3 rows affected (0.00 sec)