Centos 6.5下安装MySQL 5.6

Centos 6.5下安装MySQL 5.6

1.下载Linux对应的RPM包

http://dev.mysql.com/downloads/mysql/5.6.html

wget http://cdn.mysql.com//Downloads/MySQL-5.6/MySQL-5.6.33-1.el6.x86_64.rpm-bundle.tar

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2.解压tar包

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

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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

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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

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下载libaio

yum install libaio

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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

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下载numactl

yum install numactl

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4.初始化MySQL及设置密码

/usr/bin/mysql_install_dbservice mysql start

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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

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

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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

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6.设置开机自启动

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

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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

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8.常用命令

1.使用客户端工具连接到数据库

mysql -u root -p

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2.查看MySQL服务器中包含那些数据库

mysql>SHOW DATABASES;

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3.查看数据库中的数据表信息

mysql>SHOW TABLES;

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4.切换数据库

mysql>USE mysql;

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5.创建新的数据库

mysql>CREATE DATABASE 数据库名字;

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6.创建新的数据表

mysql>CREATE TABLE 表名 (字段定义)

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7.删除一个数据表

mysql>DROP TABLE 数据库名.表名;

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8.删除一个数据库

mysql>DROP DATABASE 数据库名

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9.备份整个数据库

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

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10.备份数据库MYSQL中的user表

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

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11.备份MYSQL服务器中所有数据库

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

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12.恢复数据库

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