lamp架构

lamp

    • 1. lamp简介
    • 2. web服务器工作流程
      • 2.1 cgi与fastcgi
      • 2.2 httpd与php结合的方式
      • 2.3 web工作流程
    • 3. lamp平台构建
      • 3.1 安装httpd
      • 3.2 安装mysql
      • 3.3 安装php
      • 3.4 配置apache
        • 3.4.1 启用代理模块
        • 3.4.2 配置虚拟主机
        • 3.5 验证

1. lamp简介


所谓lamp,其实就是由Linux+Apache+Mysql/MariaDB+Php/Perl/Python的一组动态网站或者服务器的开源软件,除Linux外其它各部件本身都是各自独立的程序,但是因为经常被放在一起使用,拥有了越来越高的兼容度,共同组成了一个强大的Web应用程序平台。

LAMP指的是Linux(操作系统)、Apache(HTTP服务器)、MySQL(也指MariaDB,数据库软件)和PHP(有时也是指Perl或Python)的第一个字母,一般用来建立web应用平台。

2. web服务器工作流程


在说lamp架构平台的搭建前,我们先来了解下什么是CGI,什么是FastCGI,什么是…

web服务器的资源分为两种,静态资源和动态资源

  • 静态资源就是指静态内容,客户端从服务器获得的资源的表现形式与原文件相同。可以简单的理解为就是直接存储于文件系统中的资源
  • 动态资源则通常是程序文件,需要在服务器执行之后,将执行的结果返回给客户端
    那么web服务器如何执行程序并将结果返回给客户端呢?下面通过一张图来说明一下web服务器如何处理客户端的请求

lamp架构_第1张图片

如上图所示

阶段①显示的是httpd服务器(即apache)和php服务器通过FastCGI协议进行通信,且php作为独立的服务进程运行

阶段②显示的是php程序和mysql数据库间通过mysql协议进行通信。php与mysql本没有什么联系,但是由Php语言写成的程序可以与mysql进行数据交互。同理perl和python写的程序也可以与mysql数据库进行交互

2.1 cgi与fastcgi

上图阶段①中提到了FastCGI,下面我们来了解下CGI与FastCGI。

CGI(Common Gateway Interface,通用网关接口),CGI是外部应用程序(CGI程序)与WEB服务器之间的接口标准,是在CGI程序和Web服务器之间传递信息的过程。CGI规范允许Web服务器执行外部程序,并将它们的输出发送给Web浏览器,CGI将web的一组简单的静态超媒体文档变成一个完整的新的交互式媒体

FastCGI(Fast Common Gateway Interface)是CGI的改良版,CGI是通过启用一个解释器进程来处理每个请求,耗时且耗资源,而FastCGI则是通过master-worker形式来处理每个请求,即启动一个master主进程,然后根据配置启动几个worker进程,当请求进来时,master会从worker进程中选择一个去处理请求,这样就避免了重复的生成和杀死进程带来的频繁cpu上下文切换而导致耗时

2.2 httpd与php结合的方式

httpd与php结合的方式有以下三种:

  • modules:php将以httpd的扩展模块形式存在,需要加载动态资源时,httpd可以直接通过php模块来加工资源并返回给客户端
    • httpd prefork:libphp5.so(多进程模型的php)
    • httpd event or worker:libphp5-zts.so(线程模型的php)
  • CGI:httpd需要加载动态资源时,通过CGI与php解释器联系,获得php执行的结果,此时httpd负责与php连接的建立和断开等
  • FastCGI:利用php-fpm机制,启动为服务进程,php自行运行为一个服务,https通过socket与php通信
    较于CGI方式,FastCGI更为常用,很少有人使用CGI方式来加载动态资源

2.3 web工作流程

通过上面的图说明一下web的工作流程:

  • 客户端通过http协议请求web服务器资源
  • web服务器收到请求后判断客户端请求的资源是静态资源或是动态资源
    • 若是静态资源则直接从本地文件系统取之返回给客户端。
    • 否则若为动态资源则通过FastCGI协议与php服务器联系,通过CGI程序的master进程调度worker进程来执行程序以获得客户端请求的动态资源,并将执行的结果通过FastCGI协议返回给httpd服务器,httpd服务器收到php的执行结果后将其封装为http响应报文响应给客户端。在执行程序获取动态资源时若需要获得数据库中的资源时,由Php服务器通过mysql协议与MySQL/MariaDB服务器交互,取之而后返回给httpd,httpd将从php服务器收到的执行结果封装成http响应报文响应给客户端。

3. lamp平台构建

环境说明:

系统平台 IP 需要安装的服务
centos7 redhat7 192.168.110.10 httpd-2.4 mysql-5.7 php php-mysql

lamp平台软件安装次序:

httpd --> mysql --> php

注意:php要求httpd使用prefork MPM

3.1 安装httpd

//安装开发工具包
[root@client ~]# yum groups mark install 'Development Tools'
Loaded plugins: product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
There is no installed groups file.
Maybe run: yum groups mark convert (see man yum)
Marked install: Development Tools

//创建apache服务的用户和组
[root@client ~]# groupadd -r apache
[root@client ~]# useradd -r -M -s /sbin/nologin -g apache apache 

//安装依赖包
[root@client ~]# yum -y install openssl-devel pcre-devel expat-devel libtool
Loaded plugins: product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
Resolving Dependencies
--> Running transaction check
---> Package openssl-devel.x86_64 1:1.0.2k-12.el7 will be installed
--> Processing Dependency: openssl-libs(x86-64) = 1:1.0.2k-12.el7 for package: 1:openssl-devel-1.0.2k-12.el7.x86_64 
......
......
  libselinux-utils.x86_64 0:2.5-12.el7          libsepol.x86_64 0:2.5-8.1.el7
  libss.x86_64 0:1.42.9-12.el7_5                openssl.x86_64 1:1.0.2k-12.el7
  openssl-libs.x86_64 1:1.0.2k-12.el7

Complete!

//下载和安装apr以及apr-util
[root@client ~]# cd /usr/src/
[root@client src]# wget http://mirrors.shu.edu.cn/apache//apr/apr-1.6.5.tar.bz2
--2019-02-20 15:20:46--  http://mirrors.shu.edu.cn/apache//apr/apr-1.6.5.tar.bz2
Resolving mirrors.shu.edu.cn (mirrors.shu.edu.cn)... 202.121.199.235
Connecting to mirrors.shu.edu.cn (mirrors.shu.edu.cn)|202.121.199.235|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location: http://172.16.24.182/mirrors.shu.edu.cn/apache//apr/apr-1.6.5.tar.bz2 [following]
--2019-02-20 15:20:50--  http://172.16.24.182/mirrors.shu.edu.cn/apache//apr/apr-1.6.5.tar.bz2
Connecting to 172.16.24.182:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 854100 (834K) [application/x-bzip2]
Saving to: ‘apr-1.6.5.tar.bz2’

100%[======================================================>] 854,100     1.67MB/s   in 0.5s

2019-02-20 15:21:32(1.67 MB/s) - ‘apr-1.6.5.tar.bz2’ saved [854100/854100]

[root@client src]# wget http://mirrors.shu.edu.cn/apache//apr/apr-util-1.6.1.tar.bz2
--2019-02-20 15:21:59--  http://mirrors.shu.edu.cn/apache//apr/apr-util-1.6.1.tar.bz2
Resolving mirrors.shu.edu.cn (mirrors.shu.edu.cn)... 202.121.199.235
Connecting to mirrors.shu.edu.cn (mirrors.shu.edu.cn)|202.121.199.235|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location: http://172.16.24.175/mirrors.shu.edu.cn/apache//apr/apr-util-1.6.1.tar.bz2 [following]
--2019-02-20 15:25:46--  http://172.16.24.175/mirrors.shu.edu.cn/apache//apr/apr-util-1.6.1.tar.bz2
Connecting to 172.16.24.175:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 428595 (419K) [application/x-bzip2]
Saving to: ‘apr-util-1.6.1.tar.bz2’

100%[======================================================>] 428,595     1.14MB/s   in 0.4s

2019-02-20 15:26:14 (1.14 MB/s) - ‘apr-util-1.6.1.tar.bz2’ saved [428595/428595]

[root@client src]# ls
apr-1.6.5.tar.bz2  apr-util-1.6.1.tar.bz2  debug  kernels
[root@client src]# tar xf apr-1.6.5.tar.bz2
[root@client src]# tar xf apr-util-1.6.1.tar.bz2
[root@client src]# ls
apr-1.6.5  apr-1.6.5.tar.bz2  apr-util-1.6.1  apr-util-1.6.1.tar.bz2  debug  kernels
[root@client src]# cd apr-1.6.5
[root@client apr-1.6.5]# vim configure
    cfgfile="${ofile}T"
    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
    # $RM "$cfgfile"        //将此行加上注释,或者删除此行

[root@client apr-1.6.5]# ./configure --prefix=/usr/local/apr
配置过程略
[root@client apr-1.6.5]# make && make install
编译安装过程略

[root@client apr-1.6.5]# cd /usr/src/apr-util-1.6.1
[root@client apr-util-1.6.1]# ./configure --prefix=/usr/local/apr-util --with-apr=/usr/local/apr
配置过程略
[root@client apr-util-1.6.1]# make && make install
编译安装过程略

//编译安装httpd
[root@client ~]# wget http://mirror.bit.edu.cn/apache//httpd/httpd-2.4.37.tar.bz2
--2019-02-20 15:30:46--  http://mirror.bit.edu.cn/apache//httpd/httpd-2.4.37.tar.bz2
Resolving mirror.bit.edu.cn (mirror.bit.edu.cn)... 114.247.56.117, 2001:da8:204:2001:250:56ff:fea1:22
Connecting to mirror.bit.edu.cn (mirror.bit.edu.cn)|114.247.56.117|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 6942969 (6.6M) [application/octet-stream]
Saving to: ‘httpd-2.4.37.tar.bz2’

100%[======================================================>] 6,942,969    591KB/s   in 19s

2019-02-20 15:30:46 (353 KB/s) - ‘httpd-2.4.37.tar.bz2’ saved [6942969/6942969]



[root@client ~]# ls
httpd-2.4.37.tar.bz2
[root@client ~]# tar xf httpd-2.4.37.tar.bz2
[root@client ~]# cd httpd-2.4.37
[root@client httpd-2.4.37]# ./configure --prefix=/usr/local/apache \
--sysconfdir=/etc/httpd24 \
--enable-so \
--enable-ssl \
--enable-cgi \
--enable-rewrite \
--with-zlib \
--with-pcre \
--with-apr=/usr/local/apr \
--with-apr-util=/usr/local/apr-util/ \
--enable-modules=most \
--enable-mpms-shared=all \
--with-mpm=prefork

[root@client httpd-2.4.37]# make && make install
编译安装过程略

//安装后配置
[root@client ~]# echo 'export PATH=/usr/local/apache/bin:$PATH' > /etc/profile.d/httpd.sh
[root@client ~]# source /etc/profile.d/httpd.sh
[root@client ~]# ln -s /usr/local/apache/include/ /usr/include/httpd
[root@client ~]# echo 'MANPATH /usr/local/apache/man' >> /etc/man.config

//取消ServerName前面的注释
[root@client ~]# sed -i '/#ServerName/s/#//g' /etc/httpd24/httpd.conf 

//启动apache
[root@client ~]# apachectl start
[root@client ~]# ss -antl
State      Recv-Q Send-Q   Local Address:Port                  Peer Address:Port
LISTEN     0      128                  *:22                               *:*
LISTEN     0      100          127.0.0.1:25                               *:*
LISTEN     0      128                 :::80                              :::*
LISTEN     0      128                 :::22                              :::*
LISTEN     0      100                ::1:25                              :::* 

3.2 安装mysql

//安装依赖包
[root@client ~]# yum -y install ncurses-devel openssl-devel openssl cmake mariadb-devel
Installing:
 cmake                   x86_64           2.8.12.2-2.el7                 myrepo           7.0 M
 mariadb-devel           x86_64           1:5.5.56-2.el7                 myrepo           752 k
 ncurses-devel           x86_64           5.9-13.20130511.el7            myrepo           713 k
Installing for dependencies:
 libarchive              x86_64           3.1.2-10.el7_2                 myrepo           319 k

Transaction Summary
================================================================================================
Install  3 Packages (+1 Dependent package)

Total download size: 8.8 M
.....
Installed:
  cmake.x86_64 0:2.8.12.2-2.el7                      mariadb-devel.x86_64 1:5.5.56-2.el7
  ncurses-devel.x86_64 0:5.9-13.20130511.el7

Dependency Installed:
  libarchive.x86_64 0:3.1.2-10.el7_2

Complete!


//创建用户和组
[root@client ~]# groupadd -r -g 306 mysql
[root@client ~]# useradd -M -s /sbin/nologin -g 306 -u 306 mysql


//下载二进制格式的mysql软件包
[root@client ~]# cd /usr/src/
[root@client src]# wget https://downloads.mysql.com/archives/get/file/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
--2019-02-20 15:35:30--  https://downloads.mysql.com/archives/get/file/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
Resolving downloads.mysql.com (downloads.mysql.com)... 137.254.60.14
Connecting to downloads.mysql.com (downloads.mysql.com)|137.254.60.14|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://cdn.mysql.com/archives/mysql-5.7/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz [following]
......
Saving to: ‘mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz’

100%[=====================================>] 643,790,848 2.46MB/s   in 4m 20s

2019-02-20 15:35:50 (2.36 MB/s) - ‘mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz’saved [643790848/643790848]



//解压软件至/usr/local/
[root@client src]# ls
debug  kernels  mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
[root@client src]# tar xf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz -C /usr/local/
[root@client local]# ls
apache  apr  apr-util  bin  etc  games  include  lib  lib64  libexec  mysql-5.7.23-linux-glibc2.12-x86_64  sbin  share  src

[root@client ~]# cd /usr/local/
[root@client local]# ln -sv mysql-5.7.22-linux-glibc2.12-x86_64/ mysql
‘mysql’ -> ‘mysql-5.7.22-linux-glibc2.12-x86_64/’
[root@client local]# ll
总用量 0
drwxr-xr-x. 13 root  root  152 2月  20 14:38 apache
drwxr-xr-x.  6 root  root   58 2月  20 14:33 apr
drwxr-xr-x.  5 root  root   43 2月  20 14:35 apr-util
drwxr-xr-x.  2 root  root    6 3月  10 2016 bin
drwxr-xr-x.  2 root  root    6 3月  10 2016 etc
drwxr-xr-x.  2 root  root    6 3月  10 2016 games
drwxr-xr-x.  2 root  root   19 2月  20 14:54 include
drwxr-xr-x.  2 root  root    6 3月  10 2016 lib
drwxr-xr-x.  2 root  root    6 3月  10 2016 lib64
drwxr-xr-x.  2 root  root    6 3月  10 2016 libexec
lrwxrwxrwx.  1 mysql mysql  36 2月  20 14:51 mysql -> mysql-5.7.23-linux-glibc2.12-x86_64/
drwxr-xr-x.  9 root  root  129 2月  20 14:28 mysql-5.7.23-linux-glibc2.12-x86_64
drwxr-xr-x.  9 root  root   88 2月  20 15:40 php7
drwxr-xr-x.  2 root  root    6 3月  10 2016 sbin
drwxr-xr-x.  5 root  root   49 2月  19 17:53 share
drwxr-xr-x.  2 root  root    6 3月  10 2016 src


//修改目录/usr/local/mysql的属主属组
[root@client ~]# chown -R mysql.mysql /usr/local/mysql
[root@client ~]# ll /usr/local/mysql -d
lrwxrwxrwx. 1 mysql mysql 36 2月  20 14:51 /usr/local/mysql -> mysql-5.7.23-linux-glibc2.12-x86_64/




//添加环境变量
[root@client ~]# ls /usr/local/mysql
bin  COPYING  docs  include  lib  man  README  share  support-files
[root@client ~]# echo 'export PATH=/usr/local/mysql/bin:$PATH' > /etc/profile.d/mysql.sh
[root@client ~]# . /etc/profile.d/mysql.sh
[root@client ~]# echo $PATH
/usr/local/mysql/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin



//建立数据存放目录
[root@client mysql]# mkdir /opt/data
[root@client mysql]# chown -R mysql.mysql /opt/data/

//初始化数据库
[root@client ~]# /usr/local/mysql/bin/mysqld --initialize --user=mysql --datadir=/opt/data/
2019-02-20 15:35:45.168380Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2019-02-20T15:57:50.542516Z 0 [Warning] InnoDB: New log files created, LSN=45790
2019-02-20T15:57:50.927286Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2019-02-20T15:57:51.071260Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: e8600890-a060-11e8-b1a2-000c294c50b4.
2019-02-20T15:57:51.074566Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2019-02-20T15:57:51.078089Z 1 [Note] A temporary password is generatedfor root@client: y&7b7nMf=hT;
//请注意,这个命令的最后会生成一个临时密码,此处密码是jtBzkkb=r5ik



//配置mysql
[root@client ~]# ln -sv /usr/local/mysql/include/ /usr/local/include/mysql
‘/usr/local/include/mysql’ -> ‘/usr/local/mysql/include/’
[root@client ~]# echo '/usr/local/mysql/lib' > /etc/ld.so.conf.d/mysql.conf
[root@client ~]# ldconfig -v
ldconfig: Can't stat /libx32: No such file or directory
ldconfig: Path `/usr/lib' given more than once
ldconfig: Path `/usr/lib64' given more than once
ldconfig: Can't stat /usr/libx32: No such file or directory
/usr/lib64/mysql:
        libmysqlclient.so.18 -> libmysqlclient_r.so
/usr/local/mysql/lib:
        libmysqlclient.so.20 -> libmysqlclient.so.20.3.9 
......
/lib/sse2: (hwcap: 0x0000000004000000)
/lib64/sse2: (hwcap: 0x0000000004000000)
/lib64/tls: (hwcap: 0x8000000000000000)
[root@client ~]# ldconfig -p |grep mysql
        libmysqlclient.so.20 (libc6,x86-64) => /usr/local/mysql/lib/libmysqlclient.so.20
        libmysqlclient.so.18 (libc6,x86-64) => /usr/lib64/mysql/libmysqlclient.so.18
        libmysqlclient.so (libc6,x86-64) => /usr/lib64/mysql/libmysqlclient.so
        libmysqlclient.so (libc6,x86-64) => /usr/local/mysql/lib/libmysqlclient.so
        

//生成配置文件
[root@client ~]# cat > /etc/my.cnf < set password = password('liwenfeng123!');
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> quit
Bye

3.3 安装php

//配置yum源
[root@client ~]# cd /etc/yum.repos.d/
[root@client yum.repos.d]# wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
[root@client ~]# sed -i 's/\$releasever/7/g' /etc/yum.repos.d/CentOS7-Base-163.repo
[root@client ~]# sed -i 's/^enabled=.*/enabled=1/g' /etc/yum.repos.d/CentOS7-Base-163.repo
[root@client ~]# yum -y install epel-release
[root@client ~]# rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
安装过程略


//安装依赖包
[root@client ~]# yum -y install libxml2 libxml2-devel openssl openssl-devel bzip2 bzip2-devel libcurl libcurl-devel libicu-devel libjpeg libjpeg-devel libpng libpng-devel openldap-devel  libpcre-devel freetype freetype-devel gmp gmp-devel libmcrypt libmcrypt-devel readline readline-devel libxslt libxslt-devel mhash mhash-devel php72w-mysqlnd
安装过程略



//下载php
[root@client ~]# cd /usr/src/
[root@client src]# wget http://cn.php.net/distributions/php-7.2.8.tar.xz
下载过程略


//编译安装php
[root@client src]# tar xf php-7.2.8.tar.xz
[root@client src]# cd php-7.2.8
[root@client php-7.2.8]# ./configure --prefix=/usr/local/php7  \
--with-config-file-path=/etc \
--enable-fpm \
--enable-inline-optimization \
--disable-debug \
--disable-rpath \
--enable-shared \
--enable-soap \
--with-openssl \
--enable-bcmath \
--with-iconv \
--with-bz2 \
--enable-calendar \
--with-curl \
--enable-exif  \
--enable-ftp \
--with-gd \
--with-jpeg-dir \
--with-png-dir \
--with-zlib-dir \
--with-freetype-dir \
--with-gettext \
--enable-json \
--enable-mbstring \
--enable-pdo \
--with-mysqli=mysqlnd \
--with-pdo-mysql=mysqlnd \
--with-readline \
--enable-shmop \
--enable-simplexml \
--enable-sockets \
--enable-zip \
--enable-mysqlnd-compression-support \
--with-pear \
--enable-pcntl \
--enable-posix
[root@client php-7.2.8]# make -j $(cat /proc/cpuinfo |grep processor|wc -l)
编译过程略
[root@client php-7.2.8]# make install
安装过程略


//安装后配置
[root@client ~]# echo 'export PATH=/usr/local/php7/bin:$PATH' > /etc/profile.d/php7.sh
[root@client ~]# source /etc/profile.d/php7.sh
[root@client php-7.2.8]# which php
/usr/local/php7/bin/php
[root@client php-7.2.8]# php -v
PHP 7.2.8 (cli) (built: Aug 16 2018 13:27:30) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies


//配置php-fpm
[root@client php-7.2.8]# cp php.ini-production /etc/php.ini
[root@client php-7.2.8]# cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
[root@client php-7.2.8]# chmod +x /etc/rc.d/init.d/php-fpm
[root@client php-7.2.8]# cp /usr/local/php7/etc/php-fpm.conf.default /usr/local/php7/etc/php-fpm.conf
[root@client php-7.2.8]# cp /usr/local/php7/etc/php-fpm.d/www.conf.default /usr/local/php7/etc/php-fpm.d/www.conf

//编辑php-fpm的配置文件(/usr/local/php7/etc/php-fpm.conf):
//配置fpm的相关选项为你所需要的值:
[root@client ~]# vim /usr/local/php7/etc/php-fpm.conf
.....
.....
pm.max_children = 50    //最多同时提供50个进程提供50个并发服务
pm.start_servers = 5    //启动时启动5个进程
pm.min_spare_servers = 2    //最小空闲进程数
pm.max_spare_servers = 8    //最大空闲进程数

[root@client ~]# tail /usr/local/php7/etc/php-fpm.conf
; file.
; Relative path can also be used. They will be prefixed by:
;  - the global prefix if it's been set (-p argument)
;  - /usr/local/php7 otherwise
include=/usr/local/php7/etc/php-fpm.d/*.conf
pm.max_children = 50
pm.start_servers = 5
pm.min_spare_servers = 2
pm.max_spare_servers = 8



//启动php-fpm
[root@client ~]# service php-fpm start
Starting php-fpm  done

//默认情况下,fpm监听在127.0.0.1的9000端口,也可以使用如下命令验证其是否已经监听在相应的套接字
[root@client ~]# ss -antl
State      Recv-Q Send-Q           Local Address:Port                          Peer Address:Port
LISTEN     0      128                          *:22                                       *:*
LISTEN     0      100                  127.0.0.1:25                                       *:*
LISTEN     0      128                  127.0.0.1:9000                                     *:*
LISTEN     0      128                         :::80                                      :::*
LISTEN     0      128                         :::22                                      :::*
LISTEN     0      100                        ::1:25                                      :::*
LISTEN     0      80                          :::3306                                    :::*

[root@client ~]# ps -ef|grep php
root      81070      1  0 14:13 ?        00:00:00 php-fpm: master process (/usr/local/php7/etc/php-fpm.conf)
nobody    81071  81070  0 14:13 ?        00:00:00 php-fpm: pool www
nobody    81072  81070  0 14:13 ?        00:00:00 php-fpm: pool www
nobody    81073  81070  0 14:13 ?        00:00:00 php-fpm: pool www
nobody    81074  81070  0 14:13 ?        00:00:00 php-fpm: pool www
nobody    81075  81070  0 14:13 ?        00:00:00 php-fpm: pool www
root      81079  83354  0 14:15 pts/1    00:00:00 grep --color=auto php

3.4 配置apache

3.4.1 启用代理模块

在apache httpd 2.4以后已经专门有一个模块针对FastCGI的实现,此模块为mod_proxy_fcgi.so,它其实是作为mod_proxy.so模块的扩展,因此,这两个模块都要加载,编辑httpd.conf文件,取消以下两行内容的注释:

  • LoadModule proxy_module modules/mod_proxy.so
  • LoadModule proxy_fcgi_module modules/mod_proxy_fcgi.so
//启用httpd的相关模块
[root@client ~]# sed -i '/proxy_module/s/#//g' /etc/httpd24/httpd.conf
[root@client ~]# sed -i '/proxy_fcgi_module/s/#//g' /etc/httpd24/httpd.conf

3.4.2 配置虚拟主机

在需要使用fcgi的虚拟主机中添加类似如下两行:

ProxyRequests Off       //关闭正向代理
ProxyPassMatch ^/(.*\.php)$ fcgi://127.0.0.1:9000/PATH/TO/DOCUMENT_ROOT/$1
ProxyPassMatch ^/(.*\.php)$ fcgi://127.0.0.1:9000/usr/local/apache/htdocs/liwenfeng.com/$1

以上设置表示把以.php结尾的文件请求发送到php-fpm进程,php-fpm至少需要知道运行的目录和URI,所以这里直接在fcgi://127.0.0.1:9000后指明了这两个参数,其它参数的传递已经被mod_proxy_fcgi.so进行了封装,不需要手动指定。

注意

/usr/local/apache/htdocs/编译安装指定的网页存放路径
这里的idfsoft.com是域名,必须改成所使用的域名
这里的$1表示匹配所有以.php结尾的http请求

//创建虚拟主机目录并生成php测试页面
[root@client ~]# mkdir /usr/local/apache/htdocs/liwenfeng.com
[root@client ~]# cat > /usr/local/apache/htdocs/liwenfeng.com/index.php <
EOF
[root@client ~]# chown -R apache.apache /usr/local/apache/htdocs/
[root@client ~]# ll /usr/local/apache/htdocs/ -d
drwxr-xr-x 3 apache apache 44 Aug 16 14:50 /usr/local/apache/htdocs/



[root@client ~]# vim /etc/httpd24/httpd.conf
//在配置文件的最后加入以下内容

    DocumentRoot "/usr/local/apache/htdocs/liwenfeng.com"
    ServerName www.liwenfeng.com
    ProxyRequests Off
    ProxyPassMatch ^/(.*\.php)$ fcgi://127.0.0.1:9000/usr/local/apache/htdocs/liwenfeng.com/$1
    
        Options none
        AllowOverride none
        Require all granted
    
  

[root@client ~]# vim /etc/httpd24/httpd.conf
//搜索AddType,添加以下内容
    # If the AddEncoding directives above are commented-out, then you
    # probably should define those extensions to indicate media types:
    #
    AddType application/x-compress .Z
    AddType application/x-gzip .gz .tgz
    AddType application/x-httpd-php .php        //添加此行
    AddType application/x-httpd-php-source .phps        //添加此行
    
[root@client ~]# sed -i '/    DirectoryIndex/s/index.html/index.php index.html/g' /etc/httpd24/httpd.conf


//重启apache服务
[root@client ~]# apachectl stop
[root@client ~]# ss -antl
State      Recv-Q Send-Q           Local Address:Port                          Peer Address:Port
LISTEN     0      128                          *:22                                       *:*
LISTEN     0      100                  127.0.0.1:25                                       *:*
LISTEN     0      128                  127.0.0.1:9000                                     *:*
LISTEN     0      128                         :::22                                      :::*
LISTEN     0      100                        ::1:25                                      :::*
LISTEN     0      80                          :::3306                                    :::*
[root@client ~]# apachectl start
[root@client ~]# ss -antl
State      Recv-Q Send-Q           Local Address:Port                          Peer Address:Port
LISTEN     0      128                          *:22                                       *:*
LISTEN     0      100                  127.0.0.1:25                                       *:*
LISTEN     0      128                  127.0.0.1:9000                                     *:*
LISTEN     0      128                         :::80                                      :::*
LISTEN     0      128                         :::22                                      :::*
LISTEN     0      100                        ::1:25                                      :::*
LISTEN     0      80                          :::3306                                    :::*

3.5 验证

lamp架构_第2张图片
lamp架构_第3张图片

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