Centos7 搭建wordpress

WordPress是使用PHP语言开发的博客平台，用户可以在支持PHP和MySQL数据库的服务器上架设属于自己的网站。也可以把 WordPress当作一个内容管理系统（CMS）来使用。

搭建WordPress 要分搭建php apache mysql 环境、配置数据库、安装WordPress

第一部分：搭建php apache mysql 环境，分开来搭建这些环境比较复杂，网络上有现成的工具包类似一键安装就能把环境搭建好，这个工具就是XAMPP 。这一部分步骤如下：

　　1、下载XAMPP  ，下载地址：https://www.apachefriends.org/download.html  有windows、linux、macOS平台的可以下载。选择适合自己的系统。我这里下载的是linux版本

2、执行下载文件：xampp-linux-x64-7.2.8-0-installer.run  ，把下载文件上传到centos服务器/opt 目录下。执行命令： ./xampp-linux-x64-7.2.8-0-installer.run （如果安装文件没有可执行权限，执行命令chmod +x  xampp-linux-x64-7.2.8-0-installer.run  赋给可执行权限）。在执行过程中会遇到确认提示，选择y或者n，这里都选择y。选择完成后再和你确认安装路径安装在：/opt/lampp 目录下

　　

[root@bogon opt]# pwd
/opt
[root@bogon opt]# ls
xampp-linux-x64-7.2.8-0-installer.run
[root@bogon opt]# ./xampp-linux-x64-7.2.8-0-installer.run 
----------------------------------------------------------------------------
Welcome to the XAMPP Setup Wizard.

----------------------------------------------------------------------------
Select the components you want to install; clear the components you do not want 
to install. Click Next when you are ready to continue.

XAMPP Core Files : Y (Cannot be edited)

XAMPP Developer Files [Y/n] :y

Is the selection above correct? [Y/n]: y

----------------------------------------------------------------------------
Installation Directory

XAMPP will be installed to /opt/lampp
Press [Enter] to continue:

----------------------------------------------------------------------------
Setup is now ready to begin installing XAMPP on your computer.

Do you want to continue? [Y/n]: y

----------------------------------------------------------------------------
Please wait while Setup installs XAMPP on your computer.

 Installing
 0% ______________ 50% ______________ 100%
 #########################################

----------------------------------------------------------------------------
Setup has finished installing XAMPP on your computer.

[root@bogon opt]# 

　　3、安装xampp完成后，可以通过命令来启动xampp环境

/opt/lampp/lampp start   启动
/opt/lampp/lampp stop  停止
/opt/lampp/lampp restart  重启

启动后，可以通过ps -aef |grep lampp  来查看lampp 环境是否正常启动。如下提示中，可以看出Apache 和MySQL都启动正常

[root@bogon opt]# /opt/lampp/lampp stop
Stopping XAMPP for Linux 7.2.8-0...
XAMPP: Stopping Apache...ok.
XAMPP: Stopping MySQL...ok.
XAMPP: Stopping ProFTPD...not running.
[root@bogon opt]# /opt/lampp/lampp start
Starting XAMPP for Linux 7.2.8-0...
XAMPP: Starting Apache...ok.
XAMPP: Starting MySQL...ok.
XAMPP: Starting ProFTPD...fail.
Contents of "/opt/lampp/var/proftpd/start.err":
bogon proftpd[8021]: warning: unable to determine IP address of 'bogon'
bogon proftpd[8021]: error: no valid servers configured
bogon proftpd[8021]: Fatal: error processing configuration file '/opt/lampp/etc/proftpd.conf'
[root@bogon opt]# /opt/lampp/lampp restart
Restarting XAMPP for Linux 7.2.8-0...
XAMPP: Stopping Apache...ok.
XAMPP: Stopping MySQL...ok.
XAMPP: Stopping ProFTPD...not running.
XAMPP: Starting Apache...ok.
XAMPP: Starting MySQL...ok.
XAMPP: Starting ProFTPD...fail.
Contents of "/opt/lampp/var/proftpd/start.err":
bogon proftpd[8289]: warning: unable to determine IP address of 'bogon'
bogon proftpd[8289]: error: no valid servers configured
bogon proftpd[8289]: Fatal: error processing configuration file '/opt/lampp/etc/proftpd.conf'
[root@bogon opt]# ps -aef |grep lampp
root       8272      1  0 06:27 ?        00:00:00 /opt/lampp/bin/httpd -k start -E /opt/lampp/logs/error_log -DSSL -DPHP
daemon     8280   8272  0 06:27 ?        00:00:00 /opt/lampp/bin/httpd -k start -E /opt/lampp/logs/error_log -DSSL -DPHP
daemon     8290   8272  0 06:27 ?        00:00:00 /opt/lampp/bin/httpd -k start -E /opt/lampp/logs/error_log -DSSL -DPHP
daemon     8292   8272  0 06:27 ?        00:00:00 /opt/lampp/bin/httpd -k start -E /opt/lampp/logs/error_log -DSSL -DPHP
daemon     8294   8272  0 06:27 ?        00:00:00 /opt/lampp/bin/httpd -k start -E /opt/lampp/logs/error_log -DSSL -DPHP
daemon     8296   8272  0 06:27 ?        00:00:00 /opt/lampp/bin/httpd -k start -E /opt/lampp/logs/error_log -DSSL -DPHP
daemon     8297   8272  0 06:27 ?        00:00:00 /opt/lampp/bin/httpd -k start -E /opt/lampp/logs/error_log -DSSL -DPHP
root       8299      1  0 06:27 pts/0    00:00:00 /bin/sh /opt/lampp/bin/mysqld_safe --datadir=/opt/lampp/var/mysql --pid-file=/opt/lampp/var/mysql/bogon.pid
mysql      8448   8299  5 06:27 pts/0    00:00:00 /opt/lampp/sbin/mysqld --basedir=/opt/lampp --datadir=/opt/lampp/var/mysql --plugin-dir=/opt/lampp/lib/mysql/

4、关闭Centos7 防火墙命令：systemctl stop firewalld.service，关闭防火墙后，可以从外部访问到这台服务器，到此，第一部分完成

第二部分：配置数据库，数据库服务在第一部分一键安装好了，还需要配置下访问权限

1、登录mysql服务，执行命令：/opt/lampp/bin/mysql -uroot

2、登录后执行SQL

use mysql;
select t.host from user t where t.user='root';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;
GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY '123456' WITH GRANT OPTION;
FLUSH PRIVILEGES;

[root@bogon opt]# /opt/lampp/bin/mysql -uroot 
Welcome to the MariaDB monitor.  Commands end with ; or g.
Your MariaDB connection id is 3
Server version: 10.1.34-MariaDB Source distribution

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

MariaDB [(none)]> use mysql;
Database changed
MariaDB [mysql]> select t.host from user t where t.user='root';
+-----------+
| host      |
+-----------+
| 127.0.0.1 |
| ::1       |
| localhost |
+-----------+
3 rows in set (0.00 sec)

MariaDB [mysql]> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;
Query OK, 0 rows affected (0.00 sec)

MariaDB [mysql]> GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY '123456' WITH GRANT OPTION;
Query OK, 0 rows affected (0.01 sec)

MariaDB [mysql]> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)

MariaDB [mysql]> 

　　3、登录mysql 服务创建wordpress 数据库，执行命令： /opt/lampp/bin/mysql -uroot -p  弹出输入password ，输入123456。登入后执行SQL：CREATE DATABASE IF NOT EXISTS wordpress DEFAULT CHARSET utf8 COLLATE utf8_general_ci;

[root@bogon opt]# /opt/lampp/bin/mysql -uroot -p
Enter password: 
Welcome to the MariaDB monitor.  Commands end with ; or g.
Your MariaDB connection id is 5
Server version: 10.1.34-MariaDB Source distribution

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

MariaDB [(none)]> CREATE DATABASE IF NOT EXISTS wordpress DEFAULT CHARSET utf8 COLLATE utf8_general_ci;
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| phpmyadmin         |
| test               |
| wordpress          |
+--------------------+
6 rows in set (0.00 sec)

MariaDB [(none)]> 

第三部分：安装Wordpress

　　1、下载Wordpress：https://wordpress.org/download/   点击Download .tar.gz 下载wordpress 压缩包

　　2、解压wordepress 到目录/opt/lampp/htdocs/下：tar -xzvf wordpress-5.2.1.tar.gz -C /opt/lampp/htdocs/

　　3、浏览器中输入http://192.168.1.108/wordpress/index.php   ip 为centos7 的ip，由于是首次打开，自动跳转到安装页面http://192.168.1.108/wordpress/wp-admin/setup-config.php

　　在安装页面，可以看出页面提示的必要数据库信息，这些信息在第二部分已经完成了

　　3、点击 【Let‘s go’】 进入填写数据库信息页面，点击【submit】

　　4、如果点击【Submit 】 按钮后出现如下提示：

　　说明在写wp-config.php 文件的时候没有权限，提示中也给了解决方法，就是手动在wordpress 目录下新建wp-config.php 文件，并且把提示中的代码复制保存到wp-config.php 文件中再点击【run the installation】就能继续安装

5、输入站点信息，管理员账号密码后 点击【Install WordPress】

 6、安装完成后，进入登录页：http://192.168.1.108/wordpress/wp-login.php，并登录成功，说明安装成功

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