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WordPress-Install-And-Settings.md

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WordPress 安装和配置

环境

  • 腾讯云
  • CentOS 7.4
  • 1C + 1G（最低配置）
  • IP：193.112.211.201
    • 推荐按此文章进行安装的时候可以把该 IP 替换成你的，方便直接复制

更新系统可更新软件

yum clean all
yum -y update

安装 Apache

yum install -y httpd
systemctl start httpd.service
systemctl enable httpd.service

安装 MySQL

先检查是否已经安装了 Mariadb

  • 检查：rpm -qa | grep mariadb
  • 卸载：rpm -e --nodeps mariadb-libs-5.5.56-2.el7.x86_64

MySQL 5.5 安装和配置（内存 1G 推荐）

MySQL 5.6 安装和配置（如果内存没有大于 2G，请不要使用）

MySQL 5.7（推荐）

wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm
yum localinstall -y mysql57-community-release-el7-8.noarch.rpm
yum install mysql-community-server

systemctl enable mysqld.service
systemctl restart  mysqld.service

MySQL 5.7 配置

  • 默认 MySQL 5.7 安装完有一个随机密码生成，位置在：/var/log/mysqld.log，里面有这样一句话：A temporary password is generated for root@localhost: 随机密码
  • 如果初次要连上去需要填写该密码
  • 我们也可以选择重置密码：
    • systemctl stop mysqld.service
    • /usr/sbin/mysqld --skip-grant-tables --user=mysql
  • 在启动一个终端：mysql -u root mysql
    • UPDATE user SET authentication_string=PASSWORD('新密码') where USER='root';FLUSH PRIVILEGES;
    • GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '上一步的新密码' WITH GRANT OPTION;
    • systemctl restart mysqld.service
  • 试一下：mysql -h localhost -u root -p 然后输入密码，在 MySQL 终端输入：select 1;
  • 如果报：You must reset your password using ALTER USER statement before executing this statement，解决办法：
set global validate_password_policy=0; #密码强度设为最低等级
set global validate_password_length=6; #密码允许最小长度为6
set password = password('新密码');
FLUSH PRIVILEGES;
  • YUM 安装的 MySQL 默认配置文件在：vim /etc/my.cnf，默认有如下信息，会自己配置的可以改下。
# For advice on how to change settings please see                                                                                                                                         
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
 
[mysqld]
#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
#
# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
 
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
 
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

安装 PHP 7

<?php
phpinfo();
?>
  • 浏览器访问（出现 PHP 环境信息表示安装成功）：http://193.112.211.201/info.php
  • 测试后删除刚刚文件：rm -rf /var/www/html/info.php

安装 WordPress

cd /var/www/html/

wget https://cn.wordpress.org/wordpress-4.9.4-zh_CN.zip

unzip wordpress-4.9.4-zh_CN.zip

rm -rf wordpress-4.9.4-zh_CN.zip

cd /var/www/html/wordpress && mv * ../

rm -rf /var/www/html/wordpress/

chmod -R 777 /var/www/html/
  • 修改 Apache 配置文件：vim /etc/httpd/conf/httpd.conf
旧值：
#ServerName www.example.com:80

改为：
ServerName www.youmeek.com:80

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

旧值：
AllowOverride None

改为：
AllowOverride All

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

旧值：
<IfModule dir_module>
   DirectoryIndex index.html
</IfModule>

改为：
<IfModule dir_module>
   DirectoryIndex index.html index.htm Default.html Default.htm index.php Default.php index.html.var
</IfModule>
  • 重启 Apache
systemctl restart  httpd.service
systemctl enable httpd.service

创建数据库

  • SQL 语句：CREATE DATABASE wordpress DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
    • 如果有数据则直接导入：/usr/bin/mysql -u root --password=123456 DATABASE_Name < /opt/backup.sql

WordPress 在线配置引导

DNS 解析

  • 我是托管到 DNSPOD，重新指向到新 IP 地址即可

资料