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   -> PHP知识库 -> CentOS7安装MySQL8.0和Nginx -> 正文阅读

[PHP知识库]CentOS7安装MySQL8.0和Nginx

本文档包括使用 PHP-FPM 为 Nginx 1.4.x HTTP 服务器安装和配置 PHP 的说明和提示。

本指南假定您已经从源代码成功构建 Nginx,并且其二进制文件和配置文件都位于?/usr/local/nginx。 如果您使用其他方式获取的 Nginx,请参考???Nginx Wiki?并对照本文档完成安装。

本文档仅包含 Nginx 服务器的基本配置,它将通过 80 端口提供 PHP 应用的处理能力。 如果您需要超出本文档范围的安装配置指导,建议您查阅 Nginx 和 PHP-FPM 的文档。

需要注意的是,本文档一律使用 'x' 来表示版本号,请根据实际情况将 'x' 替换为对应的版本号。

  1. 建议您访问 Nginx Wiki???安装?页面以获取并在您的系统上安装 Nginx。

  2. 获取并解压 PHP 源代码:

    tar zxf php-x.x.x
    
  3. 配置并构建 PHP。在此步骤您可以使用很多选项自定义 PHP,例如启用某些扩展等。 运行 ./configure --help 命令来获得完整的可用选项清单。 在本示例中,我们仅进行包含 PHP-FPM 和 MySQL 支持的简单配置。

    cd ../php-x.x.x
    ./configure --enable-fpm --with-mysql
    make
    sudo make install
    
  4. 创建配置文件,并将其复制到正确的位置。

    cp php.ini-development /usr/local/php/php.ini
    cp /usr/local/etc/php-fpm.d/www.conf.default /usr/local/etc/php-fpm.d/www.conf
    cp sapi/fpm/php-fpm /usr/local/bin
    
  5. 需要着重提醒的是,如果文件不存在,则阻止 Nginx 将请求发送到后端的 PHP-FPM 模块, 以避免遭受恶意脚本注入的攻击。

    将 php.ini 文件中的配置项?cgi.fix_pathinfo?设置为?0?。

    打开 php.ini:

    vim /usr/local/php/php.ini
    

    定位到?cgi.fix_pathinfo=?并将其修改为如下所示:

    cgi.fix_pathinfo=0
    
  6. 在启动服务之前,需要修改 php-fpm.conf 配置文件,确保 php-fpm 模块使用 www-data 用户和 www-data 用户组的身份运行。

    vim /usr/local/etc/php-fpm.d/www.conf
    

    找到以下内容并修改:

    ; Unix user/group of processes
    ; Note: The user is mandatory. If the group is not set, the default user's group
    ;       will be used.
    user = www-data
    group = www-data
    

    然后启动 php-fpm 服务:

    /usr/local/bin/php-fpm
    

    本文档未涵盖对 php-fpm 进行进一步配置的信息,如果您需要更多信息,请查阅相关文档。

  7. 配置 Nginx 使其支持 PHP 应用:

    vim /usr/local/nginx/conf/nginx.conf
    

    修改默认的 location 块,使其支持 .php 文件:

    location / {
        root   html;
        index  index.php index.html index.htm;
    }

    下一步配置来保证对于 .php 文件的请求将被传送到后端的 PHP-FPM 模块, 取消默认的 PHP 配置块的注释,并修改为下面的内容:

    location ~* \.php$ {
        fastcgi_index   index.php;
        fastcgi_pass    127.0.0.1:9000;
        include         fastcgi_params;
        fastcgi_param   SCRIPT_FILENAME    $document_root$fastcgi_script_name;
        fastcgi_param   SCRIPT_NAME        $fastcgi_script_name;
    }

    重启 Nginx。

    sudo /usr/local/nginx/sbin/nginx -s stop
    sudo /usr/local/nginx/sbin/nginx
    
  8. 创建测试文件。

    rm /usr/local/nginx/html/index.html
    echo "<?php phpinfo(); ?>" >> /usr/local/nginx/html/index.php
    

    打开浏览器,访问 http://localhost,将会显示 phpinfo() 。

通过以上步骤的配置,Nginx 服务器现在可以以?SAPI?SAPI?模块的方式支持 PHP 应用了。 当然,对于 Nginx 和 PHP 的配置,还有很多可用的选项, 请在对应的源代码目录执行?./configure --help?来查阅更多配置选项。

获取并安装 PEAR 包管理器

获取并安装 PEAR 包管理器

视窗

下载并安装 PHP 后,您必须手动执行位于例如?c:\php\go-pear.bat.?或者,?使用浏览器下载?https://pear.php.net/go-pear.phar并将输出保存到名为go-pear.phar.?然后你可以运行

<span style="color:#000000"><span style="background-color:#ffffff"><span style="background-color:#eeeeee">      <strong><code>
php go-pear.phar
      </code></strong>
     </span></span></span>

在 Windows 命令提示符下开始安装。

安装程序会询问您一些问题,然后 PEAR 包管理器将安装在您在安装过程中指定的路径中。

最后,您必须将该安装路径添加到您的?PATH环境中。手动执行此操作(开始 > 控制面板 > 系统 > 环境)或运行(双击)PEAR_ENV.reg现在在 PHP 源目录中找到的新生成的文件。

之后,您可以通过pear在 Windows 命令提示符中运行命令来访问 PEAR 包管理器。

之后?改变php.ini,你将需要重新启动您的Web服务器。

现在检查 PEAR 是否有效

Unix/Linux/BSD

使用 PHP 时,除非使用./configure?选项 ,否则已经安装了 PEAR 包管理器--without-pear

如果使用由 Unix/Linux/BSD 发行商提供的 PHP 版本,则可能需要手动安装 PEAR。在这种情况下,用户应查阅相应发行版的文档。

如果要重新安装包管理器,可以使用以下临时方式:

<span style="color:#000000"><span style="background-color:#ffffff"><span style="background-color:#eeeeee">      <strong><code>
$ wget http://pear.php.net/go-pear.phar
$ php go-pear.phar
      </code></strong>
     </span></span></span>

请注意,您可能需要通过 Unix/Linux/BSD 软件包管理器安装 wget 软件包。在 Debian 和 Ubuntu 上,这是通过以下方式完成的:

<span style="color:#000000"><span style="background-color:#ffffff"><span style="background-color:#eeeeee">      <strong><code>
      $ sudo apt-get install wget
      </code></strong>
     </span></span></span>

或者,通过浏览器下载 go-pear.phar 文件。

如果进程在没有任何输出的情况下退出,您的系统日志可能会包含以下几行:

<span style="color:#000000"><span style="background-color:#ffffff">suhosin[4705]:警报 - 包括文件名('phar://go-pear.phar/index.php')
 是不允许的 URL
 (攻击者“未设置 REMOTE_ADDR”,文件“/root/go-pear.phar”,第 1236 行)
     </span></span>

要解决此问题,请在/etc/php5/conf.d/suhosin.ini以下位置启用 phar?:

<span style="color:#000000"><span style="background-color:#ffffff">suhosin.executor.include.whitelist = phar
     </span></span>

现在检查 PEAR 是否有效

Mac OS X

使用如下所示的 curl 下载 go-pear.phar 文件或通过浏览器下载 go-pear.phar 文件。

<span style="color:#000000"><span style="background-color:#ffffff"><span style="background-color:#eeeeee">      <strong><code>
$ curl -O https://pear.php.net/go-pear.phar
$ php -d detect_unicode=0 go-pear.phar
      </code></strong>
     </span></span></span>

您现在已准备好配置 PEAR 以进行安装。

首先,您需要更改安装基础。

  1. 所以输入 1,然后按 Enter。

  2. 输入 /usr/local/pear

  3. 按 Enter。

然后,您将需要更改 Binaries 目录。

  1. 键入 4,然后按 Enter。

  2. 输入 /usr/local/bin

  3. 按 Enter。

更改安装基础和二进制目录后,按 Enter 安装 PEAR。

对于系统范围的安装,您需要以增加的权限执行 go-pear 脚本。这仅推荐给高级用户。

<span style="color:#000000"><span style="background-color:#ffffff">       <strong><code>
$ curl -O https://pear.php.net/go-pear.phar
$ sudo php -d detect_unicode=0 go-pear.phar
       </code></strong>
      </span></span>

现在检查 PEAR 是否有效

托管环境中的 PEAR

如果您在无法直接访问服务器(通过本地登录、Telnet 或 SSH)的网络托管服务提供商处运行您的站点,您可以通过 Web 前端或(S)FTP使用 PEAR 安装程序?。

转到go-pear并另存为?go-pear.php.?复制go-pear.php到您的服务器并在浏览器中打开相应的 URL,例如http://example.com/pear/go-pear.php

如果您在安装前还没有这样做,请不要忘记保护 pear 目录:使其不可读且不可从外部执行(即,将其放在外部public_html)。

现在检查 PEAR 是否有效

安装 pdo_mysql 扩展

could not find driver

错误显示为PDO没找到这个,tp5是用PDO连接数据库的,连接不上,那就安装呗

第一步:
在php的解压出来安装包里,一般进入到/usr/local/src/etc/pdo_mysql里。假设你的php是安装在/usr/local/php里的。执行/usr/local/php/bin/phpize

如果出现图上的红框,安装两个东西


安装完成后应该OK了

继续执行./configure –with-php-config=/usr/local/php/bin/php-config –with-pdo-mysql=/usr/local/mysql/ 第二个为mysql安装路径

执行完成,make编译一下,没问题继续make install

完成,会生成一个文件夹,里面有pdo_mysql.so这就是我们要的东西。
打印phpinfo()看一下extension_dir路径,有没有指向上面的路径

如果没有,打开php.ini修改,php.ini路径在这个页面上面


这里应该不用写绝对路径,但我还是谢了,确保这个路径下有pdo_mysql.so

忘了上面安装完可以运行看下/usr/local/php/bin/php -m有没有安装成功


Nice,之前我一安装到这里一直重启nginx好几次,还是没开启,原来php也要重启

关闭PHP
killall php-fpm

php重启
/usr/local/php/sbin/php-fpm &

关闭nginx
/usr/local/nginx/sbin/nginx -s stop //关闭服务器

开启nginx
/usr/local/nginx/sbin/nginx 开启服务器

重启nginx
/usr/local/nginx/sbin/nginx -s reload


OK,开启了,tp5也能正常访问了

如果src目录里面没有php安装包
直接下载pdo_mysql拓展源码包。下载页面在这里:http://pecl.php.net/package/PDO_MYSQL,可以先下载了然后用FTP传到服务器。
我是在复制了下载地址以后使用wget直接下载到服务器端的。
在/usr/local/src目录执行
wget http://pecl.php.net/get/PDO_MYSQL-1.0.2.tgz

然后解压
tar -zxvf PDO_MYSQL-1.0.2.tgz

进入解压后的目录,然后执行phpize,后面方法同上

这里放上一个测试pdo与的mysqli的demo

$pdo_startTime = microtime(true);

for($i=1;$i<=100;$i++){
? ? $pdo = new PDO("mysql:host=locahost;dbname=xf","root","root");
}

$pdo_endTime = microtime(true);

$pdo_time = $pdo_endTime - $pdo_startTime;
echo $pdo_time;
echo "<hr/>";

//通过mysql链接数据库
$mysqli_startTime = microtime(true);

for($i=1;$i<=100;$i++){
? ? mysqli_connect("host","username","123","xf");
}

$mysqli_endTime = microtime(true);

$mysqli_time = $mysqli_endTime - $mysqli_startTime;
echo $mysqli_time;

echo "<hr/>";

if($pdo_time > $mysqli_time){
? ? echo "pdo的连接时间是mysqli的".round($pdo_time/$mysqli_time)."倍";
}else{
? ? echo "mysqli的连接时间是pdo的".round($mysqli_time/$pdo_time)."倍";
}
————————————————
版权声明:本文为CSDN博主「机电爱迪生」的原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接及本声明。
原文链接:https://blog.csdn.net/weixin_42161963/article/details/80536283

之前讲配置文件和权限的时候有很多MySQL8的知识,有同志说安装不太一样,希望发个文,我这边简单演示一下

1.环境安装

下载MySQL提供的CentOS7的yum源

官方文档:<https://dev.mysql.com/doc/refman/8.0/en/>

过程中有不太懂的可以看我之前写的这篇文章:<http://www.cnblogs.com/dotnetcrazy/p/9887708.html>

地址:https://dev.mysql.com/downloads/repo/yum/

CentOS命令:curl https://repo.mysql.com//mysql80-community-release-el7-3.noarch.rpm > centos7.mysql.rpm??下载yum源(curl是系统自带的)

安装yum源:yum install centos7.mysql.rpm -y

安装MySQL8.0?yum install mysql-community-server -y

启动mysql?systemctl start mysqld

设置开机启动mysql?systemctl enable mysqld

2.初始化配置

查看初始密码?cat /var/log/mysqld.log | grep "password"

安全初始化?mysql_secure_installation

3.权限设置

权限相关详细可以查看上次写的文章:聊聊数据库:SQL运维~存储引擎与权限

用root账号登录?mysql -uroot -p

创建用户dnt?create user dnt@'%' identified by '含大小写字母+数字的密码';

查看当前有哪些用户?select user,authentication_string,host from mysql.user;

给用户dnt分配数据库dotnetcrazy的所有权限?grant all on dotnetcrazy.* to dnt;

刷新权限?flush privileges;

显示新用户有哪些权限?show grants for dnt;

4.配置相关

这块我就说下开远程的配置,其他的可以查看之前写的文章:<https://www.cnblogs.com/dotnetcrazy/p/10810798.html>

root权限去修改?/etc/my.cnf

[mysqld]选项下新增:bind-address=0.0.0.0

开放3306端口的远程访问权限:firewall-cmd --zone=public --add-port=3306/tcp --permanent

刷新防火墙规则?firewall-cmd --reload

重启MySQL:systemctl restart mysqld

测试

Shell附录

1.安装附录

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# 下载yum源(curl是系统自带的)

# curl https://repo.mysql.com//mysql80-community-release-el7-3.noarch.rpm > centos7.mysql.rpm

[root@localhost dnt] curl https://repo.mysql.com//mysql80-community-release-el7-3.noarch.rpm > centos7.mysql.rpm

??% Total??? % Received % Xferd? Average Speed?? Time??? Time???? Time? Current

?????????????????????????????????Dload? Upload?? Total?? Spent??? Left? Speed

100 26024? 100 26024??? 0???? 0? 38150????? 0 --:--:-- --:--:-- --:--:-- 38158

[root@localhost dnt]# ls

centos7.mysql.rpm

# 安装MySQL的yum源

# yum install centos7.mysql.rpm -y

[root@localhost dnt] yum?install?centos7.mysql.rpm -y

已加载插件:fastestmirror

正在检查 centos7.mysql.rpm: mysql80-community-release-el7-3.noarch

centos7.mysql.rpm 将被安装

正在解决依赖关系

--> 正在检查事务

---> 软件包 mysql80-community-release.noarch.0.el7-3 将被 安装

--> 解决依赖关系完成

依赖关系解决

==========================================================================================================

?Package??????????????????????????????? 架构??????????????? 版本???????????????? 源?????????????????????????? 大小

==========================================================================================================

正在安装:

?mysql80-community-release????????????? noarch????????????? el7-3????????????????/centos7.mysql?????????????? 31 k

事务概要

==========================================================================================================

安装? 1 软件包

总计:31 k

安装大小:31 k

Downloading packages:

Running transaction check

Running transaction?test

Transaction?test?succeeded

Running transaction

??正在安装??? : mysql80-community-release-el7-3.noarch???????????????????????????????????????????????????????? 1/1

??验证中????? : mysql80-community-release-el7-3.noarch???????????????????????????????????????????????????????? 1/1

已安装:

??mysql80-community-release.noarch 0:el7-3

完毕!

# 安装MySQL8.0

# yum install mysql-community-server -y

[root@localhost dnt] yum?install?mysql-community-server -y

已加载插件:fastestmirror

Loading mirror speeds from cached hostfile

?* base: mirrors.aliyun.com

?* extras: mirrors.cn99.com

?* updates: mirrors.aliyun.com

base??????????????????????????????????????????????????????????????????????????????????????? | 3.6 kB? 00:00:00

extras????????????????????????????????????????????????????????????????????????????????????? | 3.4 kB? 00:00:00

mysql-connectors-community????????????????????????????????????????????????????????????????? | 2.5 kB? 00:00:00

mysql-tools-community?????????????????????????????????????????????????????????????????????? | 2.5 kB? 00:00:00

mysql80-community?????????????????????????????????????????????????????????????????????????? | 2.5 kB? 00:00:00

updates???????????????????????????????????????????????????????????????????????????????????? | 3.4 kB? 00:00:00

(1/3): mysql-connectors-community/x86_64/primary_db?????????????????????????????????????????|? 41 kB? 00:00:00

(2/3): mysql80-community/x86_64/primary_db??????????????????????????????????????????????????|? 70 kB? 00:00:00

(3/3): mysql-tools-community/x86_64/primary_db??????????????????????????????????????????????|? 58 kB? 00:00:00

正在解决依赖关系

--> 正在检查事务

---> 软件包 mysql-community-server.x86_64.0.8.0.16-2.el7 将被 安装

--> 正在处理依赖关系 mysql-community-common(x86-64) = 8.0.16-2.el7,它被软件包 mysql-community-server-8.0.16-2.el7.x86_64 需要

--> 正在处理依赖关系 mysql-community-client(x86-64) >= 8.0.11,它被软件包 mysql-community-server-8.0.16-2.el7.x86_64 需要

--> 正在处理依赖关系 net-tools,它被软件包 mysql-community-server-8.0.16-2.el7.x86_64 需要

--> 正在检查事务

---> 软件包 mysql-community-client.x86_64.0.8.0.16-2.el7 将被 安装

--> 正在处理依赖关系 mysql-community-libs(x86-64) >= 8.0.11,它被软件包 mysql-community-client-8.0.16-2.el7.x86_64 需要

---> 软件包 mysql-community-common.x86_64.0.8.0.16-2.el7 将被 安装

---> 软件包 net-tools.x86_64.0.2.0-0.24.20131004git.el7 将被 安装

--> 正在检查事务

---> 软件包 mariadb-libs.x86_64.1.5.5.60-1.el7_5 将被 取代

--> 正在处理依赖关系 libmysqlclient.so.18()(64bit),它被软件包 2:postfix-2.10.1-7.el7.x86_64 需要

--> 正在处理依赖关系 libmysqlclient.so.18(libmysqlclient_18)(64bit),它被软件包 2:postfix-2.10.1-7.el7.x86_64 需要

---> 软件包 mysql-community-libs.x86_64.0.8.0.16-2.el7 将被 舍弃

--> 正在检查事务

---> 软件包 mysql-community-libs-compat.x86_64.0.8.0.16-2.el7 将被 舍弃

--> 解决依赖关系完成

依赖关系解决

==========================================================================================================

?Package??????????????????????????? 架构????????? 版本????????????????????????????? 源??????????????????????? 大小

==========================================================================================================

正在安装:

?mysql-community-libs?????????????? x86_64??????? 8.0.16-2.el7????????????????????? mysql80-community??????? 3.0 M

??????替换? mariadb-libs.x86_64 1:5.5.60-1.el7_5

?mysql-community-libs-compat??????? x86_64??????? 8.0.16-2.el7????????????????????? mysql80-community??????? 2.1 M

??????替换? mariadb-libs.x86_64 1:5.5.60-1.el7_5

?mysql-community-server???????????? x86_64??????? 8.0.16-2.el7????????????????????? mysql80-community??????? 403 M

为依赖而安装:

?mysql-community-client???????????? x86_64??????? 8.0.16-2.el7????????????????????? mysql80-community???????? 32 M

?mysql-community-common???????????? x86_64??????? 8.0.16-2.el7????????????????????? mysql80-community??????? 575 k

?net-tools????????????????????????? x86_64??????? 2.0-0.24.20131004git.el7????????? base???????????????????? 306 k

事务概要

==========================================================================================================

安装? 3 软件包 (+3 依赖软件包)

总下载量:441 M

Downloading packages:

警告:/var/cache/yum/x86_64/7/mysql80-community/packages/mysql-community-common-8.0.16-2.el7.x86_64.rpm: 头V3 DSA/SHA1?Signature, 密钥 ID 5072e1f5: NOKEY

mysql-community-common-8.0.16-2.el7.x86_64.rpm 的公钥尚未安装

(1/6): mysql-community-common-8.0.16-2.el7.x86_64.rpm?????????????????????????????????????? | 575 kB? 00:00:00

(2/6): mysql-community-libs-8.0.16-2.el7.x86_64.rpm???????????????????????????????????????? | 3.0 MB? 00:00:00

(3/6): mysql-community-libs-compat-8.0.16-2.el7.x86_64.rpm????????????????????????????????? | 2.1 MB? 00:00:00

(4/6): net-tools-2.0-0.24.20131004git.el7.x86_64.rpm??????????????????????????????????????? | 306 kB? 00:00:00

(5/6): mysql-community-client-8.0.16-2.el7.x86_64.rpm?????????????????????????????????????? |? 32 MB? 00:00:14

(6/6): mysql-community-server-8.0.16-2.el7.x86_64.rpm?????????????????????????????????????? | 403 MB? 00:01:08

-------------------------------------------------------------------------------------------------------------------

总计?????????????????????????????????????????????????????????????????????????????? 6.2 MB/s?| 441 MB? 00:01:10

从?file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql?检索密钥

导入 GPG key 0x5072E1F5:

?用户ID???? :?"MySQL Release Engineering <mysql-build@oss.oracle.com>"

?指纹?????? : a4a9 4068 76fc bd3c 4567 70c8 8c71 8d3b 5072 e1f5

?软件包???? : mysql80-community-release-el7-3.noarch (installed)

?来自?????? :?/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

Running transaction check

Running transaction?test

Transaction?test?succeeded

Running transaction

??正在安装??? : mysql-community-common-8.0.16-2.el7.x86_64???????????????????????????????????????????????????? 1/7

??正在安装??? : mysql-community-libs-8.0.16-2.el7.x86_64?????????????????????????????????????????????????????? 2/7

??正在安装??? : mysql-community-client-8.0.16-2.el7.x86_64???????????????????????????????????????????????????? 3/7

??正在安装??? : net-tools-2.0-0.24.20131004git.el7.x86_64????????????????????????????????????????????????????? 4/7

??正在安装??? : mysql-community-server-8.0.16-2.el7.x86_64???????????????????????????????????????????????????? 5/7

??正在安装??? : mysql-community-libs-compat-8.0.16-2.el7.x86_64??????????????????????????????????????????????? 6/7

??正在删除??? : 1:mariadb-libs-5.5.60-1.el7_5.x86_64?????????????????????????????????????????????????????????? 7/7

??验证中????? : mysql-community-libs-8.0.16-2.el7.x86_64?????????????????????????????????????????????????????? 1/7

??验证中????? : net-tools-2.0-0.24.20131004git.el7.x86_64????????????????????????????????????????????????????? 2/7

??验证中????? : mysql-community-libs-compat-8.0.16-2.el7.x86_64??????????????????????????????????????????????? 3/7

??验证中????? : mysql-community-client-8.0.16-2.el7.x86_64???????????????????????????????????????????????????? 4/7

??验证中????? : mysql-community-common-8.0.16-2.el7.x86_64???????????????????????????????????????????????????? 5/7

??验证中????? : mysql-community-server-8.0.16-2.el7.x86_64???????????????????????????????????????????????????? 6/7

??验证中????? : 1:mariadb-libs-5.5.60-1.el7_5.x86_64?????????????????????????????????????????????????????????? 7/7

已安装:

??mysql-community-libs.x86_64 0:8.0.16-2.el7??????????? mysql-community-libs-compat.x86_64 0:8.0.16-2.el7

??mysql-community-server.x86_64 0:8.0.16-2.el7

作为依赖被安装:

??mysql-community-client.x86_64 0:8.0.16-2.el7???????????? mysql-community-common.x86_64 0:8.0.16-2.el7

??net-tools.x86_64 0:2.0-0.24.20131004git.el7

替代:

??mariadb-libs.x86_64 1:5.5.60-1.el7_5

完毕!

# 启动mysql

# systemctl start mysqld

[root@localhost dnt] systemctl start mysqld

[root@localhost dnt] pstree |?grep?mysql

????????|-mysqld---37*[{mysqld}]

# 设置开机启动mysql

# systemctl enable mysqld

[root@localhost dnt] systemctl?enable?mysqld

[root@localhost dnt] reboot

Connection closing...Socket close.

Connection closed by foreign host.

Disconnected from remote host(MySQL_CentOS) at 10:56:42.

Connecting to 192.168.36.205:22...

Connection established.

To escape to?local?shell, press?'Ctrl+Alt+]'.

WARNING! The remote SSH server rejected X11 forwarding request.

Last login: Wed May 15 10:35:07 2019 from 192.168.36.144

[dnt@localhost ~]$ pstree |?grep?mysql

????????|-mysqld---37*[{mysqld}]

# 查看mysql的状态

# systemctl status mysqld

[dnt@localhost ~]$ systemctl status mysqld

● mysqld.service - MySQL Server

???Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)

???Active: active (running) since 三 2019-05-15 10:57:26 CST; 1min 3s ago

?????Docs:?man:mysqld(8)

???????????http://dev.mysql.com/doc/refman/en/using-systemd.html

??Process: 3934 ExecStartPre=/usr/bin/mysqld_pre_systemd?(code=exited, status=0/SUCCESS)

?Main PID: 3969 (mysqld)

???Status:?"SERVER_OPERATING"

???CGroup:?/system.slice/mysqld.service

???????????└─3969?/usr/sbin/mysqld

2.初始化配置附录

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# 查看初始密码

# cat /var/log/mysqld.log | grep "password"

[dnt@localhost ~]$?cat?/var/log/mysqld.log |?grep?"password"

2019-05-15T02:55:51.132377Z 5 [Note] [MY-010454] [Server] A temporary password is generated?for?root@localhost: wI>X.(tHE5&e

# 安全初始化

# mysql_secure_installation

[dnt@localhost ~]$ mysql_secure_installation

Securing the MySQL server deployment.

Enter password?for?user root:

The?'validate_password'?component is installed on the server.

The subsequent steps will run with the existing configuration

of the component.

Using existing password?for?root.

Estimated strength of the password: 100

Change the password?for?root ? ((Press y|Y?for?Yes, any other key?for?No) : n

?... skipping.

By default, a MySQL installation has an anonymous user,

allowing anyone to log into MySQL without having to have

a user account created?for?them. This is intended only?for

testing, and to?make?the installation go a bit smoother.

You should remove them before moving into a production

environment.

Remove anonymous?users? (Press y|Y?for?Yes, any other key?for?No) : y

Success.

Normally, root should only be allowed to connect from

'localhost'. This ensures that someone cannot guess at

the root password from the network.

Disallow root login remotely? (Press y|Y?for?Yes, any other key?for?No) : y

Success.

By default, MySQL comes with a database named?'test'?that

anyone can access. This is also intended only?for?testing,

and should be removed before moving into a production

environment.

Remove?test?database and access to it? (Press y|Y?for?Yes, any other key?for?No) : y

?- Dropping?test?database...

Success.

?- Removing privileges on?test?database...

Success.

Reloading the privilege tables will ensure that all changes

made so far will take effect immediately.

Reload privilege tables now? (Press y|Y?for?Yes, any other key?for?No) : y

Success.

All?done!

3.权限附录

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# 用root账号登录

# mysql -uroot -p

[dnt@localhost ~]$ mysql -uroot -p

Enter password:

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

Your MySQL connection?id?is 38

Server version: 8.0.16 MySQL Community Server - GPL

Copyright (c) 2000, 2019, 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.

# show databases;

mysql> show databases;

+--------------------+

| Database?????????? |

+--------------------+

| information_schema |

| mysql????????????? |

| performance_schema |

| sys??????????????? |

+--------------------+

4 rows?in?set?(0.00 sec)

# 创建用户dnt

# create user dnt@'%' identified by '含大小写字母+数字的密码';

mysql> create user dnt@'%'?identified by?'含大小写字母+数字的密码';

Query OK, 0 rows affected (0.06 sec)

# 查看当前有哪些用户

# select user,authentication_string,host from mysql.user;

mysql>?select?user,authentication_string,host from mysql.user;

+------------------+------------------------------------------------------------------------+-----------+

| user???????????? | authentication_string????????????????????????????????????????????????? | host????? |

+------------------+------------------------------------------------------------------------+-----------+

| dnt????????????? | $A$005$yOK}8VFp<??? LE0BLBPFmeTy2vi8Q1JdmkhkPkaWBilxWYW2/jSsJ4OEa7B?| %???????? |

| mysql.infoschema | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED | localhost |

| mysql.session??? | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED | localhost |

| mysql.sys??????? | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED | localhost |

| root???????????? | $A$005$yAn@!RwTRzRLdyRrHMdoneUh7pdKEJVFUl9LHdG5MHeL.gdovFMI7z22 | localhost |

+------------------+------------------------------------------------------------------------+-----------+

5 rows?in?set?(0.00 sec)

# 创建一个数据库

# create database dotnetcrazy charset=utf8;

mysql> create database dotnetcrazy charset=utf8;

Query OK, 1 row affected, 1 warning (0.71 sec)

mysql> show databases;

+--------------------+

| Database?????????? |

+--------------------+

| dotnetcrazy??????? |

| information_schema |

| mysql????????????? |

| performance_schema |

| sys??????????????? |

+--------------------+

5 rows?in?set?(0.00 sec)

# 给用户dnt分配数据库dotnetcrazy的所有权限

# grant all on dotnetcrazy.* to dnt;

mysql> grant all on dotnetcrazy.* to dnt;

Query OK, 0 rows affected (0.69 sec)

# 刷新权限

# flush privileges;

mysql> flush privileges;

Query OK, 0 rows affected (0.59 sec)

# 显示新用户有哪些权限

# show grants for dnt;

mysql> show grants?for?dnt;

+------------------------------------------------------+

| Grants?for?dnt@%???????????????????????????????????? |

+------------------------------------------------------+

| GRANT USAGE ON *.* TO `dnt`@`%`????????????????????? |

| GRANT ALL PRIVILEGES ON `dotnetcrazy`.* TO `dnt`@`%` |

+------------------------------------------------------+

2 rows?in?set?(0.00 sec)

mysql>?exit

Bye

# 用新增用户登录

# mysql -udnt -p

[dnt@localhost ~]$ mysql -udnt -p

Enter password:

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

Your MySQL connection?id?is 39

Server version: 8.0.16 MySQL Community Server - GPL

Copyright (c) 2000, 2019, 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.

# show databases;

mysql> show databases;

+--------------------+

| Database?????????? |

+--------------------+

| dotnetcrazy??????? |

| information_schema |

+--------------------+

2 rows?in?set?(0.01 sec)

4.配置附录

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[dnt@localhost ~]$?su

密码:

[root@localhost dnt]# ls /etc/ | grep my

my.cnf

my.cnf.d

[root@localhost dnt]# ls /etc/my.cnf.d/

# 修改配置,运行远程登录

[root@localhost dnt]# vi /etc/my.cnf

[root@localhost dnt]# cat /etc/my.cnf

[mysqld]

bind-address=0.0.0.0?# 新增内容

datadir=/var/lib/mysql

socket=/var/lib/mysql/mysql.sock

log-error=/var/log/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid

# 查看一下防火墙状态

# systemctl status firewalld

[root@localhost dnt] systemctl status firewalld

● firewalld.service - firewalld - dynamic firewall daemon

???Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)

???Active: active (running) since 三 2019-05-15 17:37:49 CST; 28min ago

?????Docs:?man:firewalld(1)

?Main PID: 3467 (firewalld)

???CGroup:?/system.slice/firewalld.service

???????????└─3467?/usr/bin/python?-Es?/usr/sbin/firewalld?--nofork --nopid

5月 15 17:37:47 localhost.localdomain systemd[1]: Starting firewalld - dynamic firewall daemon...

5月 15 17:37:49 localhost.localdomain systemd[1]: Started firewalld - dynamic firewall daemon.

# 开放3306端口的远程访问权限

# firewall-cmd --zone=public --add-port=3306/tcp --permanent

[root@localhost dnt]# firewall-cmd --zone=public --add-port=3306/tcp --permanent

success

# 刷新防火墙规则

# firewall-cmd --reload

[root@localhost dnt]# firewall-cmd --reload

success

# 重启MySQL

# systemctl restart mysqld

[root@localhost dnt]# systemctl restart mysqld

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