一、检查系统是否安装其他版本的 MYSQL 数据

#yum list installed | grep mysql

#yum -y remove mysql-libs.x86_64

二、安装及配置

# wget http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm

# rpm -ivh mysql-community-release-el6-5.noarch.rpm

# yum repolist all | grep mysql

安装 MYSQL 数据库

# yum install mysql-community-server -y

设置为开机启动 (2、3、4 都是 on 代表开机自动启动)

# chkconfig --list | grep mysqld

# chkconfig mysqld on

三、设置远程 root

启动 mysql

# service mysqld start

设置 root 密码

# mysql_secure_installation

登陆 root 账号

# mysql -uroot -p 

建立远程 root 用户

mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'admin' WITH GRANT OPTION;

mysql> flush privileges;

四、设置 utf- 8 编码

查看 mysql 原本编码：

mysql> show variables like 'character%';

设置编码

# vi /etc/my.cnf

如下 (少补)：

[mysqld]

character-set-server=utf8 

collation-server=utf8_general_ci 

sql_mode='NO_ENGINE_SUBSTITUTION'

[mysql]

default-character-set = utf8

[mysql.server]

default-character-set = utf8

[mysqld_safe]

default-character-set = utf8

[client]

default-character-set = utf8

重启 mysql

# service mysqld restart

再次查看编码：

 # mysql -uroot -p

mysql> show variables like 'character%';

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

| Variable_name | Value |

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

| character_set_client | utf8 |

| character_set_connection | utf8 |

| character_set_database | utf8 |

| character_set_filesystem | binary |

| character_set_results | utf8 |

| character_set_server | utf8 |

| character_set_system | utf8 |

| character_sets_dir | /usr/share/mysql/charsets/ |

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

8 rows in set (0.00 sec)

yum 安装

mysql

yum install mysql mysql-server mysql-devel 

完成后，用   /etc/init.d/mysqld start    启动 mysql

启动 mysql 控制台： 

      mysql

mysql>; USE mysql; 

mysql>; UPDATE user SET Password=PASSWORD('newpassword') WHERE user='root'; 

mysql>; FLUSH PRIVILEGES; 

      允许远程登录  

mysql -u root -p 

Enter Password: <your new password> 

mysql>GRANT ALL PRIVILEGES ON *.* TO ' 用户名 '@'%' IDENTIFIED BY ' 密码 ' WITH GRANT OPTION; 

    完成后就能远程管理 mysql 了。

   mysql 服务名字    service  mysqld start

   GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY ' 密码 ' WITH GRANT OPTION;