一、检查系统是否安装其他版本的MYSQL数据yum list installed | grep mysqlyum -y remove mysql-libs.x86_64二、安装及配置wget http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpmrpm -ivh mysql-community-release-el6-5.noarch.rpmyum repolist all | grep mysql
1、安装MYSQL数据库yum install mysql-community-server -y
2、设置为开机启动chkconfig --list | grep mysqldchkconfig mysqld on3、设置密码/usr/bin/mysqladmin -u root password 'root'4、修改root密码mysql -uroot -p rootmysql>use mysqlmysql> select Host,User,Password from user where User='root';+-----------------------+------+-------------------------------------------+| Host | User | Password |+-----------------------+------+-------------------------------------------+| localhost | root | *4A82FDF1D80BA7470BA2E17FEEFD5A53D5D3B762 || localhost.localdomain | root | || 127.0.0.1 | root | || ::1 | root | |+-----------------------+------+-------------------------------------------+4 rows in set (0.00 sec)mysql> update user set Password = password('123456') where User='root';Query OK, 4 rows affected (0.03 sec)Rows matched: 4 Changed: 4 Warnings: 0mysql> select Host,User,Password from user where User='root';+-----------------------+------+-------------------------------------------+| Host | User | Password |+-----------------------+------+-------------------------------------------+| localhost | root | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 || localhost.localdomain | root | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 || 127.0.0.1 | root | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 || ::1 | root | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |+-----------------------+------+-------------------------------------------+4 rows in set (0.00 sec)mysql> flush privileges;Query OK, 0 rows affected (0.00 sec)
MYSQL授权远程访问（先用root登录mysql） mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'root' WITH GRANT OPTION; mysql> FLUSH PRIVILEGES;