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CentOS6.5安装mysql5.1.73

思路:

1、查看有无安装过mysql

rpm -qa|grep mysql

CentOS6.5安装mysql5.1.73images/loading.gif' 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/>

yum list installed mysql

CentOS6.5安装mysql5.1.73

2、查看有无安装包

yum list mysql*

CentOS6.5安装mysql5.1.73

  a、设置数据库默认字符

    在mysql配置文件/etc/my.cnf中加入default-character-set=utf8

vim /etc/my.cnf

CentOS6.5安装mysql5.1.73

  b、设置开机自启动

chkconfig mysqld onchkconfig --list mysqld

CentOS6.5安装mysql5.1.73

  c、启动mysql

service mysqld start

5、登录

  a、创建root管理员

mysqladmin -u root password 123456

  b、忘记密码

service mysqld stopmysqld_safe --user=root --skip-grant-tablesmysql -u rootuse mysqlupdate user set password=password("new_pass") where user="root";flush privileges; 

6、远程访问

  a、修改localhost

    更改 "mysql" 数据库里的 "user" 表里的 "host" 项,从"localhost"改成"%"

mysql>use mysql; mysql>update user set host = '%' where user = 'root'; mysql>select host, user from user;mysql>FLUSH PRIVILEGES;

  b、指定授权

    1、使用myuser/mypassword从任何主机连接到mysql服务器:

GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;

    2、使用myuser/mypassword从ip为192.168.225.166的主机连接到mysql服务器:

GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.166' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;

    3、泛授权

mysql -h localhost -u root mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION; //赋予任何主机上以root身份访问数据的权限 mysql>FLUSH PRIVILEGES;

7、MySQL的几个重要目录

  a、数据库目录

/var/lib/mysql/

  b、配置文件

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

  c、相关命令

 /usr/bin(mysqladmin mysqldump等命令)

  d、启动脚本

/etc/rc.d/init.d/(启动脚本文件mysql的目录)

8、卸载mysql

  a、查找以前是否装有mysql

rpm -qa|grep -i mysql

  b、删除mysql

1、yum remove mysql mysql-server mysql-libs compat-mysql512、rm -rf /var/lib/mysql3、rm /etc/my.cnf

9、bug处理

  a、ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

    解决方法:

    1、停止mysql服务器

service mysqld stop

    2、使用mysqld_safe命令在启动mysql,更新root账号的密码

mysqld_safe --user=mysql --skip-grant-tables --skip-networking &:

    注:--skip-grant-tables:不启动grant-tables(授权表),跳过权限控制。

      --skip-networking :跳过TCP/IP协议,只在本机访问(从网上有些资料看,这个选项不是必须的。可以不用)

    执行上面命令后,此会话窗口会出现无反应的状态,需要使用CTRL+C中断会话

    3、设置密码

mysql -u root mysqlmysql> update user set password=PASSWORD('12345')  -> where user='root' and host='root' or host='localhost';flush privileges

    4、启动mysql服务

service mysqld start

 




原标题:CentOS6.5安装mysql5.1.73

关键词:MYSQL

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