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lamp架构的搭建(apache、mysql、php编译安装)

2019-02-20 17:16 471 查看

lamp

  • 3.lamp平台的构建
  • 3.5 验证
  • 1.lamp简介

    lamp是一个常用的web架构

    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

    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

    2.1CGI和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和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

    3.lamp平台的构建

    环境:

    • 操作系统:Redhat7
    • IP地址:192.168.157.59
    • 所需要的服务:httpd-2.4,mysql-5.7,php,php-mysql

    lamp平台软件安装顺序:

    httpd  ——>   mysql  ——>  php

    3.1 安装httpd

    //安装开发工具包

    [root@xaii ~]# yum groups mark install '开发工具'
    已加载插件:product-id, search-disabled-repos, subscription-manager
    This system is not registered with an entitlement server. You can use subscription-manager to register.
    Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast
    没有安装组信息文件
    Maybe run: yum groups mark convert (see man yum)
    Marked install: 开发工具

    //创建apache服务的用户和组

    [root@xaii ~]# groupadd -r apache
    [root@xaii ~]# useradd -r -M -s /sbin/nologin -g apache apache
    -r:创建系统用户;-M:不创建用户的主目录;-s:不允许交互

    //安装依赖包

    [root@xaii ~]# yum -y install openssl-devel pcre-devel expat-devel libtool
    正在解决依赖关系
    --> 正在检查事务
    ---> 软件包 expat-devel.x86_64.0.2.1.0-10.el7_3 将被 安装
    ---> 软件包 libtool.x86_64.0.2.4.2-22.el7_3 将被 安装
    安装过程略......
    
    完毕!

    //下载和安装apr以及apr-util

    [root@xaii src]# ls
    apr-1.6.5.tar.gz  apr-util-1.6.1.tar.gz  debug  kernels
    [root@xaii src]# tar xf apr-1.6.5.tar.gz
    [root@xaii src]# tar xf apr-util-1.6.1.tar.gz
    [root@xaii src]# cd apr-1.6.5
    [root@xaii 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@xaii apr-1.6.5]# ./configure --prefix=/usr/local/apr
    配置过程略......
    [root@xaii apr-1.6.5]# make -j 4
    配置过程略......
    [root@xaii apr-1.6.5]# make install
    配置过程略......
    
    [root@xaii apr-1.6.5]# cd /usr/src/apr-util-1.6.1
    [root@xaii apr-util-1.6.1]# ./configure --prefix=/usr/local/apr-util --with-apr=/usr/local/apr
    配置过程略......
    [root@xaii apr-util-1.6.1]# make -j 4
    配置过程略......
    [root@xaii apr-util-1.6.1]# make install
    配置过程略......

    //编译安装httpd

    [root@xaii ~]# ls
    anaconda-ks.cfg  httpd-2.4.37.tar.gz
    [root@xaii ~]# tar xf httpd-2.4.37.tar.gz
    [root@xaii ~]# cd httpd-2.4.37
    [root@xaii 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@xaii httpd-2.4.37]# make -j 4
    配置过程略......
    [root@xaii httpd-2.4.37]# make install
    配置过程略......

    //安装后的配置(添加环境变量,创建软连接,man文档)

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

    //取消ServerName前面的注释

    [root@xaii ~]# sed -i '/#ServerName/s/#//g' /etc/httpd24/httpd.conf

    //启动apache服务

    [root@xaii ~]# apachectl start
    [root@xaii ~]# ss -antl |grep 80
    LISTEN     0      128         :::80                      :::*

    3.2 安装mysql

    //安装依赖包

    [root@xaii ~]# yum -y install ncurses-devel openssl-devel openssl cmake mariadb-devel
    安装过程省略......
    作为依赖被安装:
    libarchive.x86_64 0:3.1.2-10.el7_2
    
    完毕!

    //创建用户和组

    [root@xaii ~]# groupadd -r -g 306 mysql
    [root@xaii ~]# useradd -M -s /sbin/nologin -g 306 -u 306 mysql

    //将mysql压缩包解压至/usr/local/,并创建软连接

    [root@xaii src]# tar xf mysql-5.7.23-linux-glibc2.12-x86_64.tar.gz -C /usr/local/
    [root@xaii src]# cd /usr/local/
    [root@xaii local]# ls
    apache  apr-util  etc    include  lib64    mysql-5.7.23-linux-glibc2.12-x86_64  share
    apr     bin       games  lib      libexec  sbin                                 src
    [root@xaii local]# ln -sv mysql-5.7.23-linux-glibc2.12-x86_64/ mysql
    "mysql" -> "mysql-5.7.23-linux-glibc2.12-x86_64/"
    [root@xaii local]# ll
    总用量 0
    drwxr-xr-x. 13 root root 152 2月  20 15:07 apache
    drwxr-xr-x.  6 root root  58 2月  20 15:00 apr
    drwxr-xr-x.  5 root root  43 2月  20 15:04 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   6 3月  10 2016 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 root root  36 2月  20 15:26 mysql -> mysql-5.7.23-linux-glibc2.12-x86_64/
    drwxr-xr-x.  9 root root 129 2月  20 15:24 mysql-5.7.23-linux-glibc2.12-x86_64
    drwxr-xr-x.  2 root root   6 3月  10 2016 sbin
    drwxr-xr-x.  5 root root  49 1月  17 22:15 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@xaii ~]# chown -R mysql.mysql /usr/local/mysql

    //添加环境变量

    [root@xaii ~]# echo 'export PATH=/usr/local/mysql/bin:$PATH' > /etc/profile.d/mysql.sh
    [root@xaii ~]# . /etc/profile.d/mysql.sh
    [root@xaii ~]# echo $PATH
    /usr/local/mysql/bin:/usr/local/apache/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin

    //建立数据存放目录

    [root@xaii ~]# mkdir /opt/data
    [root@xaii ~]# chown -R mysql.mysql /opt/data/
    [root@xaii ~]# ll /opt/
    总用量 0
    drwxr-xr-x. 2 mysql mysql 6 2月  20 15:30 data

    //初始化数据库

    [root@xaii ~]# /usr/local/mysql/bin/mysqld --initialize --user=mysql --datadir=/opt/data/
    2019-02-20T07:31:58.480376Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
    2019-02-20T07:32:01.076333Z 0 [Warning] InnoDB: New log files created, LSN=45790
    2019-02-20T07:32:01.329100Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
    2019-02-20T07:32:01.741364Z 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: 9cf9ccfb-34e1-11e9-839d-000c29758baa.
    2019-02-20T07:32:02.103007Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
    2019-02-20T07:32:02.103909Z 1 [Note] A temporary password is generated for root@localhost: gnefEHu*g3to
    [root@xaii ~]# echo 'gnefEHu*g3to' > passwd
    //请注意,这个命令的最后会生成一个临时密码,此处密码是gnefEHu*g3to
    //再次注意,这个密码是随机的,一定要记住这个密码,因为一会登录时会用到,所以最好将它写入到一个文件中,防止遗忘

    //配置mysql

    [root@xaii ~]# ln -sv /usr/local/mysql/include/ /usr/local/include/mysql
    "/usr/local/include/mysql" -> "/usr/local/mysql/include/"
    [root@xaii ~]# echo '/usr/local/mysql/lib' > /etc/ld.so.conf.d/mysql.conf
    [root@xaii ~]# ldconfig

    //生成配置文件

    [root@xaii ~]# cat > /etc/my.cnf <<EOF
    [mysqld]
    basedir = /usr/local/mysql
    datadir = /opt/data
    socket = /tmp/mysql.sock
    port = 3306
    pid-file = /opt/data/mysql.pid
    user = mysql
    skip-name-resolve
    EOF

    //配置服务启动脚本

    [root@xaii ~]# cp -a /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
    [root@xaii ~]# sed -ri 's#^(basedir=).*#\1/usr/local/mysql#g' /etc/init.d/mysqld
    [root@xaii ~]# sed -ri 's#^(datadir=).*#\1/opt/data#g' /etc/init.d/mysqld

    //启动mysql

    [root@xaii ~]# service mysqld start
    Starting MySQL.Logging to '/opt/data/xaii.err'.
    SUCCESS!
    [root@xaii ~]# ss -atnl|grep 3306
    LISTEN     0      80          :::3306                    :::*

    //修改密码
    //使用刚才的临时密码登录

    [root@xaii ~]# mysql -uroot -p
    Enter password:
    Welcome to the MySQL monitor.  Commands end with ; or \g.
    Your MySQL connection id is 2
    Server version: 5.7.23
    
    Copyright (c) 2000, 2018, 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.

    //设置新密码

    mysql> set password = password('lizhao123!');
    Query OK, 0 rows affected, 1 warning (0.00 sec)
    mysql> quit
    Bye

    3. 20000 3 安装php

    //配置yum源

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

    //安装依赖包

    [root@xaii ~]# 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
    安装过程省略......

    //编译安装php

    [root@xaii ~]# cd /usr/src/
    [root@xaii src]# tar xf  php-7.2.8.tar.xz
    [root@xaii src]# cd php-7.2.8
    [root@xaii 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@xaii php-7.2.8]# make -j $(cat /proc/cpuinfo |grep processor|wc -l)
    编译过程省略......
    [root@xaii php-7.2.8]# make install
    编译过程省略......

    //安装后配置

    [root@xaii php-7.2.8]#
    [root@xaii php-7.2.8]# echo 'export PATH=/usr/local/php7/bin:$PATH' > /etc/profile.d/php7.sh
    [root@xaii php-7.2.8]# source /etc/profile.d/php7.sh
    [root@xaii php-7.2.8]# which php
    /usr/local/php7/bin/php
    [root@xaii php-7.2.8]# php -v
    PHP 7.2.8 (cli) (built: Feb 20 2019 15:58:54) ( NTS )
    Copyright (c) 1997-2018 The PHP Group
    Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies

    //配置php-fpm

    [root@xaii php-7.2.8]# cp php.ini-production /etc/php.ini
    [root@xaii php-7.2.8]# cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
    [root@xaii php-7.2.8]# chmod +x /etc/rc.d/init.d/php-fpm
    [root@xaii php-7.2.8]# cp /usr/local/php7/etc/php-fpm.conf.default /usr/local/php7/etc/php-fpm.conf
    [root@xaii 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@xaii php-7.2.8]# vim /usr/local/php7/etc/php-fpm.conf
    [root@xaii php-7.2.8]# tail /usr/local/php7/etc/php-fpm.conf
    ; 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		//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

    //启动php-fpm

    [root@xaii ~]# 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@xaii ~]# 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@xaii ~]# ps -ef|grep -v grep|grep php
    root      74751      1  0 16:22 ?        00:00:00 php-fpm: master process (/usr/local/php7/etc/php-fpm.conf)
    nobody    74752  74751  0 16:22 ?        00:00:00 php-fpm: pool www
    nobody    74753  74751  0 16:22 ?        00:00:00 php-fpm: pool www
    nobody    74754  74751  0 16:22 ?        00:00:00 php-fpm: pool www
    nobody    74755  74751  0 16:22 ?        00:00:00 php-fpm: pool www
    nobody    74756  74751  0 16:22 ?        00:00:00 php-fpm: pool www

    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@xaii ~]# sed -i '/proxy_module/s/#//g' /etc/httpd24/httpd.conf
    [root@xaii ~]# 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

    例如:

    ProxyPassMatch ^/(.*\.php)$ fcgi://127.0.0.1:9000/usr/local/apache/htdocs/lizhao.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:
    这里写的 /usr/local/apache/htdocs/ 是yum源安装方式生成的网页存放目录,这里必须改成你编译安装指定的网页存放路径,禁止直接复制我这里的路径
    这里的 lizhao.com是域名,你必须改成你所使用的域名,禁止直接复制此处的域名
    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@xaii ~]# mkdir /usr/local/apache/htdocs/lizhao.com
    [root@xaii ~]# cat > /usr/local/apache/htdocs/lizhao.com/index.php <<EOF
    > <?php
    >    phpinfo();
    > ?>
    > EOF
    [root@xaii ~]# chown -R apache.apache /usr/local/ap
    apache/   apr/      apr-util/
    [root@xaii ~]# chown -R apache.apache /usr/local/apache/htdocs/
    [root@xaii ~]# ll /usr/local/apache/htdocs/ -d
    drwxr-xr-x. 3 apache apache 42 2月  20 16:37 /usr/local/apache/htdocs/

    //编辑apache的配置文件

    [root@xaii ~]# vim /etc/httpd24/httpd.conf
    //在配置文件的最后加入以下内容
    [root@xaii ~]# tail -12 /etc/httpd24/httpd.conf
    
    <VirtualHost *:80>
    DocumentRoot "/usr/local/apache/htdocs/lizhao.com"
    ServerName www.lizhao.com
    ProxyRequests Off
    ProxyPassMatch ^/(.*\.php)$ fcgi://127.0.0.1:9000/usr/local/apache/htdocs/lizhao.com/$1<Directory "/usr/local/apache/htdocs/lizhao.com">
    Options none
    AllowOverride none
    Require all granted
    </Directory>
    </VirtualHost>
    

    //搜索AddType,添加以下内容

    [root@xaii ~]# vim /etc/httpd24/httpd.conf
    # 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@xaii ~]# sed -i '/    DirectoryIndex/s/index.html/index.php index.html/g' /etc/httpd24/httpd.conf

    //重启apache服务

    [root@xaii ~]# apachectl restart
    [root@xaii ~]# 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

    1. 修改/etc/hosts文件,添加域名与IP的映射

    C:\Windows\System32\drivers\etc,用记事本打开hosts文件,添加以下内容:
    192.168.157.59(本机IP地址)  www.lizhao.com

    2. 在浏览器上使用域名访问,若看到以下界面则表示lamp架构搭建成功,否则请检查你的操作

    利用域名访问:

    利用IP地址访问:

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