MySQL5.6在Centos6.5下安装图文说明教程

1.下载Linux对应的RPM包

2.解压tar包

tar -xvf MySQL-5.6.33-1.el6.x86_64.rpm-bundle.tar

3.安装MySQL

rpm -ivh MySQL-server-5.6.33-1.el6.x86_64.rpm 
rpm -ivh MySQL-client-5.6.33-1.el6.x86_64.rpm 
rpm -ivh MySQL-devel-5.6.33-1.el6.x86_64.rpm

如果出现:

error: Failed dependencies:
    libaio.so.1()(64bit) is needed by MySQL-server-5.6.33-1.el6.x86_64
    libaio.so.1(LIBAIO_0.1)(64bit) is needed by MySQL-server-5.6.33-1.el6.x86_64
    libaio.so.1(LIBAIO_0.4)(64bit) is needed by MySQL-server-5.6.33-1.el6.x86_64

下载libaio

yum install libaio

如果出现:

error: Failed dependencies:
    libnuma.so.1()(64bit) is needed by MySQL-server-5.6.33-1.el6.x86_64
    libnuma.so.1(libnuma_1.1)(64bit) is needed by MySQL-server-5.6.33-1.el6.x86_64
    libnuma.so.1(libnuma_1.2)(64bit) is needed by MySQL-server-5.6.33-1.el6.x86_64

下载numactl

yum install numactl

4.初始化MySQL及设置密码

/usr/bin/mysql_install_db
service mysql start

如果启动失败可能是数据块所在目录没有权限

cat /root/.mysql_secret #查看root账号密码
mysql> SET PASSWORD = PASSWORD('123456');
mysql> exit

如果.mysql_secret文件不存在,先停止MySQL进入安全模式设置密码

service mysql stop
mysqld_safe --skip-grant-tables&
mysql -u root mysql
mysql> UPDATE user SET password=PASSWORD("new password") WHERE user='root';
mysql> FLUSH PRIVILEGES;

5.允许远程登陆

mysql> use mysql;
mysql> select host,user,password from user;
mysql> update user set host='%' where user='root' and host='localhost';
mysql> flush privileges;
mysql> exit

6.设置开机自启动

chkconfig mysql on
chkconfig --list   grep mysql
mysql      0:off  1:off  2:on  3:on  4:on  5:on  6:off

7.MySQL的默认安装位置

/var/lib/mysql/        #数据库目录
/usr/share/mysql       #配置文件目录
/usr/bin           #相关命令目录
/etc/init.d/mysql       #启动脚本

8.常用命令

1.使用客户端工具连接到数据库

mysql -u root -p

2.查看MySQL服务器中包含那些数据库

mysql>SHOW DATABASES;

3.查看数据库中的数据表信息

mysql>SHOW TABLES;

4.切换数据库

mysql>USE mysql;

5.创建新的数据库

mysql>CREATE DATABASE 数据库名字;

6.创建新的数据表

mysql>CREATE TABLE 表名 (字段定义)

7.删除一个数据表

mysql>DROP TABLE 数据库名.表名;

8.删除一个数据库

mysql>DROP DATABASE 数据库名

9.备份整个数据库

mysqldump -u root -p auth > mysql-auth.sql

10.备份数据库MYSQL中的user表

mysqldump -u root -p mysql user > mysql.host-user.sql

11.备份MYSQL服务器中所有数据库

mysqldump -u root -p -all-databases > mysql-all.sql

12.恢复数据库

mysql -u root -p [数据库名]< mysql-all.sql

13.授予用户权限

GRANT 权限列表 ON 数据库名.表名 TO 用户名@来源地址 [IDENTIFIED BY '密码']
GRANT SELECT ON mysql.user TO daxiong@'localhost' IDENTIFIED BY'123456';

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