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 文件名
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、5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> select user,host,password from mysql.user;
create user 'root'@'%' identified by 'root';
mysql> set password for root=password('root');
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '你设置的密码' 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)：
[mysql]
default_character_set = utf8
[mysqld]
character-set-server=utf8
collation-server=utf8_general_ci
performance_schema_max_table_instances=400
table_definition_cache=400
table_open_cache=256
# 修改
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
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)
