How to use yum to install mysql

Use yum to install mysql under linux, as well as start, login and remote access.

 

1. Installation

Check if it is installed:

          yum list installed mysql*

          rpm -qa | grep mysql*

 

Check if the package is installed:

          yum list mysql*

 

Install the mysql client:

          yum install mysql

 

Install mysql server side:

          yum install mysql-server

 

          yum install mysql-devel

 

 

2. Start && Stop

 

Database character set settings

          Add default-character-set=utf8 to the mysql configuration file /etc/my.cnf

 

Start the mysql service:

          service mysqld start or /etc/init.d/mysqld start

boot:

          chkconfig -add mysqld, check whether the startup settings are successful chkconfig --list | grep mysql*

 

          mysqld 0: off 1: off 2: on 3: on 4: on 5: on 6: off

stop:

 

          service mysqld stop

 

 

3. Login

 

 

Create root administrator:

          mysqladmin -u root password 123456

 

Log in:

          mysql -u root -p Enter the password.

Forgot password:

          service mysqld stop

 

          mysqld_safe --user=root --skip-grant-tables

 

          mysql -u root

 

          use mysql

 

          update user set password=password("new_pass") where user="root";

 

          flush privileges;  

 

 

4、远程访问

 

开放防火墙的端口号

 

mysql增加权限:mysql库中的user表新增一条记录host为“%”,user为“root”。

 

 

5、Linux MySQL的几个重要目录

 

数据库目录

         /var/lib/mysql/

配置文件

         /usr/share /mysql(mysql.server命令及配置文件)

相关命令

         /usr/bin(mysqladmin mysqldump等命令)

启动脚本

         /etc/rc.d/init.d/(启动脚本文件mysql的目录) 

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