MariaDB的简单入门

矫情吗；* 2022-01-29 03:55 234阅读 0赞

## 1.什么是mariadb？ ##

mariadb：MariaDB数据库管理系统是MySQL的一个分支，主要由开源社区在维护，采用GPL授权许可 MariaDB的目的是完全兼容MySQL，包括API和命令行，使之能轻松成为MySQL的代替品。在存储引擎方面，使用XtraDB（英语：XtraDB）来代替MySQL的InnoDB。

## 2.环境配置 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70]  
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## 3.mariadb的安装 ##

安装mariadb

yum install mariadb-server  -y
    systemctl start mariadb

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 2]

## 4.安全初始化 ##

vim /etc/my.conf
      skip-networking=1    ##默认的情况下数据库的网络接口是打开的，为了安全需要关闭网络接口
    systemctl restart mariadb

![在这里插入图片描述][20190520213620755.png]  
\#\#Netstat： Netstat是在内核中访问网络连接状态及其相关信息的程序，它能提供TCP连接，TCP和UDP监听，进程内存管理的相关报告。  
Netstat是控制台命令,是一个监控TCP/IP网络的非常有用的工具，它可以显示路由表、实际的网络连接以及每一个网络接口设备的状态信息。Netstat用于显示与IP、TCP、UDP和ICMP协议相关的统计数据，一般用于检验本机各端口的网络连接情况。

<table> 
 <thead> 
  <tr> 
   <th>-a</th> 
   <th>显示所有socket，包括正在监听的。</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>-c</td> 
   <td>每隔1秒就重新显示一遍，直到用户中断它</td> 
  </tr> 
  <tr> 
   <td>-i</td> 
   <td>显示所有网络接口的信息，格式“netstat -i”</td> 
  </tr> 
  <tr> 
   <td>-n</td> 
   <td>以网络IP地址代替名称，显示出网络连接情形</td> 
  </tr> 
  <tr> 
   <td>-r</td> 
   <td>显示核心路由表，格式同“route -e”</td> 
  </tr> 
  <tr> 
   <td>-t</td> 
   <td>显示TCP协议的连接情况</td> 
  </tr> 
  <tr> 
   <td>-u</td> 
   <td>显示UDP协议的连接情况</td> 
  </tr> 
  <tr> 
   <td>-v</td> 
   <td>显示正在进行的工作</td> 
  </tr> 
  <tr> 
   <td>-p</td> 
   <td>显示建立相关连接的程序名和PID</td> 
  </tr> 
  <tr> 
   <td>-b</td> 
   <td>显示在创建每个连接或侦听端口时涉及的可执行程序</td> 
  </tr> 
  <tr> 
   <td>-e</td> 
   <td>显示以太网统计。此选项可以与 -s 选项结合使用</td> 
  </tr> 
  <tr> 
   <td>-f</td> 
   <td>显示外部地址的完全限定域名(FQDN)</td> 
  </tr> 
  <tr> 
   <td>-o</td> 
   <td>显示与与网络计时器相关的信息</td> 
  </tr> 
  <tr> 
   <td>-l</td> 
   <td>显示监听socket</td> 
  </tr> 
 </tbody> 
</table>

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 3]  
![在这里插入图片描述][20190520213733610.png]

Enter current password for root (enter for none): 输入当前root用户的密码（是否不输入）
    Set root password? [Y/n] 询问是否设置密码
    New password: 
    Re-enter new password: 
    Password updated successfully!  密码配置成功
    Reloading privilege tables..
     ... Success!
    Remove anonymous users? [Y/n]   询问是否不允许匿名用户登录
    Disallow root login remotely? [Y/n]   询问是否不允许远程连接
    Remove test database and access to it? [Y/n]  询问是否删除测试数据库并访问它
    Reload privilege tables now? [Y/n]   询问是否重新加载权限表
    登陆数据库   注意：密码不要写在-p后在企业中不安全（quit退出）
    [root@testdb ~]# mysql -uroot -p
    Enter password:

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 4]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 5]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 6]  
![在这里插入图片描述][20190520214056754.png]

## 5.修改密码 ##

mysqladmin -uroot -pwestos password lee
    当超级用户密码忘记时：
    systemctl stop mariadb
    mysqld_safe --skip-grant-tables &
    mysql
    update mysql.user set Password=password('westos') where User='root';
    
    kill -9 mysql的所有进程id
    
    systemctl start mariadb

记得密码：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 7]忘记密码：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 8]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 9]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 10]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 11]

## 6.数据库管理 ##

1.**查询**

SHOW DATABASES;                                ##显示所以库
    USE DATABASENAME；                             ##使用指定数据库
    SHOW TABLES;                                   ##显示当前数据库里所有的表
    SELECT * FROM TABLE；                          ##从表中选中某个记录值
    SELECT Host FROM user WHERE User='root';      ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 12]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 13]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 14]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 15]  
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2.**建立**

SHOW DATABASES;		##列出库
    CREATE DATABASE westos;	##建立库
    USE westos;		##进入库
    CREATE TABLE  userlist (	##建立表
        -> username varchar(50) not null,
        -> password varchar(100) not null
        -> );
    DESC linux;		##查看表结构
    INSERT INTO userlist VALUES ('szy','666');		##插入数据到userlist表中
    SELECT * FROM userlist;				##查询所有字段在uselist表中
    SELECT username,password  from userlist;		##查询指定字段在userlist表中

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 17]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 18]注意：varchar（50）和char（50）的区别：  
varchar（50） 字符长度不超过50，是可变长数据类型，超过50会截取。  
char 定长数据类型，指定长度，长度不够会用空格补全后面的。  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 19]  
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3.**更改**

UPDATE userlist SET age='18' where username='szy1';
    ALTER TABLE userlist ADD age varchar(4);  
    ALTER TABLE uerlist DROP age;                                  ##移除age字段
    ALTER TABLE userlist ADD sex varchar(2) AFTER  password;       ##在password后面加入sex
    ALTER TABLE userlist RENAME redhat;                            ##修改表格名字

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 21]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 22]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 23]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 24]  
4.**删除**

DELETE FROM redhat where username='szy';        ##删除表redhat中szy信息
    DROP TABLE redhat;                              ##删除表redhat
    DROP DATABASE westos;                           ##删除库westos

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 25]  
![在这里插入图片描述][20190521211835565.png]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 26]  
5.**用户授权**  
实验准备：关闭防火墙，并开放端口3306，让其他主机可以通过网络登陆数据库。  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 27]  
![在这里插入图片描述][20190521223736522.png]  
创建两个用户，注意westos@’%'和westos@localhost不是一个用户，用户=名字+可在哪登陆，%表示可以在任何地方可以登陆数据库，而localhost是限制在本机登陆。

CREATE USER westos@'%' identified by 'westos';      by后跟的是用户密码
    CREATE USER westos1@localhost identified by 'westos';
    SELECT User,Host FROM mysql.user;

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 28]  
测试：分别在本机用xupt用户和其他主机用westos用户测试：  
其他主机同样需要安装mariadb，我们可以yum whatprovides \*/mysql，安装mariadb-5.5.52-1.el7.x86\_64，mariadb-server.x86\_64 1:5.5.52-1.el7，开启服务systemctl start mariadb.service  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 29]

mysql -uwestos -h172.25.254.116 -p   ##其他主机通过网络访问数据库的命令
    mysql -uwestos1 -p    ##本机访问

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 30]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 31]  
\#\#注意：数据库系统和文件系统一样，都是需要授权的，此时我们给两个用户都没有赋予权力，所以他们只能登陆，且只能看他能看到部分可见的数据库，我们需要root给他们赋予权力他们才能进行其他增删改查操作;超级用户一次可以授予多个权力，用逗号,分开就行。

mysql -uroot -p   ##超级用户登陆
    SHOW GRANTS FOR xupt@localhost;    ##查看xupt@localhost用户的权限
    GRANT INSERT,DELETE on westos.* TO xupt@localhost;    ##给xupt@localhost赋予查看，插入和删除的权限

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 32]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 33]

mysql -uxupt -pwestos     ##登陆
    SELECT * FROM westos.userlist；   ##查
    INSERT INTO westos.userlist VALUES ('szy2','555');   ##增
    DELETE FROM westos.linux WHERE username='szy2';   ##删

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 34]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 35]  
超级用户回收权力

mysql -uroot -p   ##超级用户登陆
    REVOKE DELETE,INSERT on westos.* FROM xupt@localhost;    ##撤销xupt@localhost增和删的权限
    SHOW GRANTS FORxupt@localhost;

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 36]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 37]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 38]删除用户

mysql -uroot -p      ##超级用户登录
    DROP USER westos@'%';     ##删除用户westos@‘%’
    DROP USER xupt@localhost;     ##删除用户westos1@localhost
    SELECT Host,User FROM mysql.user;     
    FLUSH PRIVILEGES;	 ##刷新全局，刷新授权表，当更改未生效时就用刷新命令。

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 39]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 40]

6.数据库的备份

mysqldump -uroot -pwestos westos > /mnt/wesots.sql   ##指定备份westos所有结构以及数据到/mnt下
    mysqldump -uroot -pwestos westos  --no-data          ##指定备份westos的结构，但不备份数据
    mysqldump -uroot -pwestos --all-database             ##备份数据所有结构和数据
    mysqldump -uroot -pwestos --all-database  --no-data  ##只备份所有的结构

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 41]  
7.数据库的恢复

方式1
    mysql -uroot -pwestos -e "CREATE DATABASE westos;"
    mysql -uroot -pwestos westos < /mnt/westos.sql

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 42]

方式2
    vim /mnt/westos.sql
    CREATE DATABASE westos;
    USE westos;
    mysql -uroot -pwestos < /mnt/westos.sql

![在这里插入图片描述][2019052121565132.png]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 43]

## 7.安装phpmyadmin 数据库图形管理 ##

1.什么是phpmyadmin？

phpMyAdmin 是一个以PHP为基础，以Web-Base方式架构在网站主机上的MySQL的数据库管理工具，让管理者可用Web接口管理MySQL数据库。借由此Web接口可以成为一个简易方式输入繁杂SQL语法的较佳途径，尤其要处理大量资料的汇入及汇出更为方便。其中一个更大的优势在于由于phpMyAdmin跟其他PHP程式一样在网页服务器上执行，但是您可以在任何地方使用这些程式产生的HTML页面，也就是于远端管理MySQL数据库，方便的建立、修改、删除数据库及资料表。也可借由phpMyAdmin建立常用的php语法，方便编写网页时所需要的sql语法正确性。

## 实验步骤： ##

首先安装httpd服务，开启服务并设置为开机启动：

yum install https -y
    systemctl start httpd
    systemctl enable httpd

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获得phpmyadmin的压缩包，并把phpmyadmin的安装包在/var/www/html目录下解压，并解包，我们可以重命名为mysqladmin方便在浏览器下访问。

yum install lftp -y
    tar jxf phpMyAdmin-3.4.0-all-languages.tar.bz2   ##解压并解包
    mv phpMyAdmin-3.4.0-all-languages/ mysqladmin   ##重命名
    cd mysqladmin
    cp config.sample.inc.php config.inc.php
    vim config.inc.php
    $cfg['blowfish_secret'] = 'ba17c1ec07d65003';

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 45]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 46]  
![在这里插入图片描述][20190522132533175.png]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 47]  
安装php，php-mysql两个包，此时可以通过php -m 命令查看mysql有没有出现，这表示已经运行php加载的模块。

yum search php
    yum install php.x86_64  -y
    yum install php-mysql.x86_64 -y
    php -m

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![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 49]  
测试：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 50]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 51]![在这里插入图片描述][20190522210750516.png]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 52]  
![在这里插入图片描述][20190522210814469.png]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 53]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 54]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 55]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 56]注意：此时在服务端需要关闭防火墙，或将httpd服务加入防火墙允许的列表中才能正常访问。

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