lnmp搭建（Nginx1.12.1；mysql5.7.20；php7.2.0）

安装依赖包：

#yum install gcc bison bison-devel zlib-devel libmcrypt-devel mcrypt mhash-devel openssl-devel libxml2-devel libcurl-devel bzip2-devel readline-devel libedit-devel sqlite-devel libpng-devel libjpeg-devel freetype freetype-devel

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创建www用户：

#groupadd www#useradd -g www -s /sbin/nologin -M www

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一、安装Nginx1.12.1：

centos6.8的镜像带的Nginx版本是1.12.1

#yum install -y nginx #/etc/init.d/nginx start

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二、安装mysql5.7.20:

#wget  
#rpm -Uvh mysql57-community-release-el6-9.noarch.rpm 
#yum install mysql-community-server
#service mysqld start
#grep 'temporary password' /var/log/mysqld.log  | awk '{print $NF}' 
#mysql -uroot -p
mysql>set global validate_password_policy=0;
mysql>set global validate_password_length=6; 
mysql>SET PASSWORD FOR 'root'@'localhost' =PASSWORD('******');

三、安装PHP7.2.0
3.1源码编译安装

#wget rm -php-7.2.0.tar.xz
#tar xvJf php-7.2.0.tar -C /usr/local/
#cd /usr/local/php-7.2.0
#./configure --prefix=/usr/local/php --with-config-file-path=/usr/local/php/etc --enable-fpm --with-fpm-user=www --with-fpm-group=www --with-mysqli --with-pdo-mysql --with-iconv-dir --with-freetype-dir --with-jpeg-dir --with-png-dir --with-zlib --with-libxml-dir=/usr --enable-xml --disable-rpath --enable-bcmath --enable-shmop --enable-sysvsem --enable-inline-optimization --with-curl --enable-mbregex --enable-mbstring --enable-ftp  --with-openssl --with-mhash --enable-pcntl --enable-sockets --with-xmlrpc --enable-zip --enable-soap --without-pear --with-gettext --disable-fileinfo --enable-maintainer-zts --with-libdir=lib64
# make 
# make install

上面configure步骤，可能会因为缺少依赖包而报错，我这台机器安装过其他一些其他的包，不同的机器情况可能不一样，在编译的时候根据报错信息
用yum search 查找依赖包并安装，编译完成之后是没有error的！！！
make install 完成后也是没有error的才可以进行后面的步骤。

3.2 配置PHP

#cp /usr/local/php-7.2.0/php.ini-development /usr/local/php/etc/php.ini

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#cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf

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#cp /usr/local/php-7.2.0/sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm

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#chmod +x /etc/init.d/php-fpm

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#cp /usr/local/php/etc/php-fpm.d/www.conf.default/usr/local/php/etc/php-fpm.d/www.conf

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3.3启动php-fpm

# /etc/init.d/php-fpm startStarting php-fpm  done

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3.4添加 PHP 命令到环境变量

vim ~/.bash_profile
cat ~/.bash_profile# .bash_profile# Get the aliases and functionsif [ -f ~/.bashrc ]; then
    . ~/.bashrcfi# User specific environment and startup programsPATH=$PATH:$HOME/bin:/usr/local/php/binexport PATH

使之生效：

#. ~/.bash_profile

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3.5查看PHP版本：

# php -vPHP 7.2.0 (cli) (built: Dec 17 2017 19:58:31) ( ZTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2017 Zend Technologies

3.6测试结果：

vim /usr/share/nginx/html/a.php<?php
        phpinfo();    ?>

vim /etc/nginx/conf.d/default.confcat /etc/nginx/conf.d/default.confserver {
    listen       80;
    server_name  localhost;

    #charset koi8-r;
    #access_log  /var/log/nginx/host.access.log  main;

    location / {
        root   /usr/share/nginx/html;
        index index.php index.html index.htm;
    }
    location ~ \.php$ {
        root           html;
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  /usr/share/nginx/html$fastcgi_script_name;
        include        fastcgi_params;
    }    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
    #
    #location ~ \.php$ {
    #    proxy_pass   http://127.0.0.1;
    #}

    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    #
    #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;
    #}

    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    #
    #location ~ /\.ht {
    #    deny  all;
    #}}

Nginx配置文件修改的地方（在server里面添加 index.php格式的文件。增加一个location模块）
重新加载Nginx，重启php-fpm

# /etc/init.d/nginx restartStopping nginx:                                            [  OK  ]
Starting nginx:                                            [  OK  ]
# /etc/init.d/php-fpm restartGracefully shutting down php-fpm . doneStarting php-fpm  done

测试：

# curl 192.168.1.185/a.php

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或者直接到网页上访问。

至此，lnmp环境搭建成功

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