centos怎么安装mysql

构建mysql服务器

构建mysql服务器

1.yum源安装mysql

[root@localhost ~]# yum -y install mysql mysql-server mysql-devel

也可以wget下载源码包安装，创立一个soft的文件夹，使用wget下载，先install wget。

然后再使用wget http://downloads.mysql.com/archives/mysql-5.1/mysql-5.1.63.tar.gz

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2.启动mysql，初始化

[root@localhost ~]# /etc/init.d/mysqld restart

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再重启一下mysql

[root@localhost ~]# /etc/init.d/mysqld restart

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3.进入mysql

[root@localhost ~]# mysql -uroot -p密码 #初始是没有密码的，这边报错

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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

报错解决方法

恢复密码，破解密码如下

[root@localhost ~]# /etc/init.d/mysqld stop #先停止mysql

停止 mysqld： [确定]

使用mysqld_safe --skip-grant-tables &跳过权限启动

[root@localhost ~]# mysqld_safe --skip-grant-tables &

[1] 2306

[root@localhost ~]# 180705 00:41:36 mysqld_safe Logging to '/var/log/mysqld.log'.

180705 00:41:36 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql

登录mysql，改密码为123456

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再进行重新启动

[root@localhost ~]# /etc/init.d/mysqld restart

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4.然后就可以登录mysql

[root@localhost ~]# mysql -uroot -p123456

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5.

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创建feiyugame

create database feiyugame;

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show databases;

create database feiyugame;

use feiyugame

show tables;

create table test01(id varchar(20) name varchar(20));

show tables;

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desc test01;

insert into test01 values('01' 'feiyugame');

insert into test01 values('02' 'feiyugame02');

show tables;

select * from test01;

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6.

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yum安装的mysql存放在/var/lib/mysql

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授权grant

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grant all on kinking.* to kinking@'192.168.85.140' identified by "123456";

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刷新权限

flush privileges;

7.备份，数据库导入导出