http://dev.mysql.com/doc/mysql-yum-repo-quick-guide/en/
http://dev.mysql.com/downloads/repo/yum/
下载到本地再上传到服务器,或者使用wget 直接下载
- wget http://repo
- .mysql
- .com
- /mysql57-community-release-el7-
- 10.
- noarch
- .rpm
将
替换为你下载的rpm名
- platform-and-version-specific-package-name
- sudo rpm
- -Uvh
- platform
- -and
- -version
- -specific
- -package
- -name
- .
- rpm
例如
- rpm
- -Uvh
- mysql57
- -community
- -release
- -el7
- -
- 10.
- noarch
- .
- rpm
- yum install - y mysql - community - server
如果网络环境不是很好,执行完命令就可以去泡杯茶��或者荣耀杀一局
- service mysqld start
- systemctl start mysqld.service
- service mysqld status
- systemctl status mysqld.service
Mysql5.7默认安装之后root是有密码的。
为了加强安全性,MySQL5.7为root用户随机生成了一个密码,在error log中,关于error log的位置,如果安装的是RPM包,则默认是/var/log/mysqld.log。
只有启动过一次mysql才可以查看临时密码
- grep
- 'temporary password'
- /var/
- log
- /mysqld.
- log
这里的密码是
- YdsGaxOq>2n!
使用默认的密码登陆
- mysql - uroot - p
用该密码登录到服务端后,必须马上修改密码,不然会报如下错误:
- mysql> select @@log_error;
- ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
- mysql>
修改密码
- ALTER
- USER
- 'root'
- @
- 'localhost'
- IDENTIFIED
- BY
- 'root123'
- ;
如果密码设置太简单出现以下的提示
如何解决
呢? 这里直接提供解决方案文末有详细的说明
- ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
必须修改两个全局参数:
首先,修改validate_password_policy参数的值
- mysql > set global validate_password_policy = 0;
再修改密码的长度
- set global validate_password_length = 1;
再次执行修改密码就可以了
- ALTER
- USER
- 'root'
- @
- 'localhost'
- IDENTIFIED
- BY
- 'root123'
- ;
- GRANT
- ALL
- PRIVILEGES
- ON
- *.*
- TO
- 'root'
- @
- '%'
- IDENTIFIED
- BY
- 'mypassword'
- WITH
- GRANT
- OPTION
- ;
- FLUSH PRIVILEGES;
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
http://www.linuxidc.com/Linux/2016-01/127831.htm
来源: http://www.linuxidc.com/Linux/2017-11/148522.htm