Centos 7 下安装mysql

// 卸载原有maridb-lib库

[root@localhost ~]# rpm -qa | grep mariadb

mariadb-libs-5.5.41-2.el7_0.x86_64

[root@localhost ~]# rpm -e --nodeps mariadb-libs-5.5.41-2.el7_0.x86_64

CentOS 7的yum源中貌似没有正常安装mysql时的mysql-sever文件

# yum -y install wget

# wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm

# rpm -ivh mysql-community-release-el7-5.noarch.rpm

# yum -y install mysql-community-server

成功安装之后重启mysql服务

# service mysqld restart

初次安装mysql是root账户是没有密码的

设置密码的方法

# mysql -uroot

// mysql> set password for ‘root’@‘localhost’ = password('mypasswd');//若不需要密码可以不执行此步骤

mysql> use mysql;
mysql> update user set password=password('123') where user='root'';
mysql> flush privileges;

 

赋予权限增加用户

mysql> grant all privileges on *.* to 'root'@'%' identified by '' with grant option;

mysql> grant all privileges on *.* to 'localhost'@'%' identified by '' with grant option;

mysql> grant all privileges on *.* to 'Acswxf'@'localhost' identified by 'Acswxf' with grant option;

mysql> FLUSH PRIVILEGES;

mysql> exit;

这里数据库安装就完成了

下面将已有数据库文件（/root/test.sql）导入数据库MYDB

# mysql -uroot //进入数据库

mysql> drop database MYDB;

mysql> create database MYDB;

mysql> use MYDB;

mysql> set names utf8;

mysql> source /root/test.sql;

最后，记得将test.sql删除。//忽略