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

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Install dependency packages:

#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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Create www user:

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

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1. Install Nginx1.12.1:

The Nginx version of the centos6.8 image is 1.12.1

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

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2. Install 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('******');

3. Install PHP7.2.0
3.1 Source code compilation and installation

#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

In the above configure steps, an error may be reported due to the lack of dependent packages. I have installed some other packages on this machine, different The machine conditions may be different. According to the error message during compilation
Use yum search to find the dependent packages and install them. After the compilation is completed, there will be no error! ! !
After make install is completed and there are no errors, you can proceed to the next steps.

3.2 Configure PHP

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

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<p style="margin-bottom: 7px;">#cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf<br/></p>

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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 Start php-fpm

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

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3.4 Add the PHP command to the environment variable

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

to make it effective:

#. ~/.bash_profile

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3.5 Check PHP version:

# 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 Test results:

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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