[Linux Mysql报错/和Mysql安装] ERROR 1819 (HY000): Your password does not satisfy the current policy requ

我就是我 2023-10-04 14:14 10阅读 0赞

**ERROR 1819 (HY000): Your password does not satisfy the current policy requirements**

原因:因为5.7版本对密码有新的要求:

9、设置root的密码  
mysql>ALTER USER ‘root’@‘localhost’ IDENTIFIED BY ‘密码’;  
mysql> exit  
**注意：mysql5.7增加了安全级别，密码必须包含：大小写字母、数字和特殊符号，并且长度不能少于8位。**

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|vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv

**随便记录的:**  
添加组:  
添加语法: groupadd mysql 用户组  
添加mysql用户  
添加语法: useradd -g mysql mysql

将/usr/local/mysql的用户设为mysql，用户组设为mysql：

\[wangh@HavGO ~\]$ cd /usr/local/

\[wangh@HavGO local\]$ sudo chown -R mysql:mysql mysql

sudo bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data

该命令的意思是初始化 并制定user、mysql目录和data目录(第三步创建的data)

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将这个文件复制到自己喜欢的目录，重命名为mysql，复制的时候请耐心等待，

复制完后，cd到mysql目录，新建一个data的文件夹。

复制语法: cp -r mysql-5.7.12-linux-glibc2.5-x86\_64 /usr/local/mysql

新建文件语法: mkdir data

chmod 770 data

在/usr/local/mysql里新建一个data文件夹,并修改权限为770(drwxrwx—.)：

\[wangh@HavGO mysql\]$ sudo mkdir data

\[wangh@HavGO mysql\]$ sudo chmod 770 data

将/usr/local/mysql的用户设为mysql，用户组设为mysql：

\[wangh@HavGO ~\]$ cd /usr/local/

\[wangh@HavGO local\]$ sudo chown -R mysql:mysql mysql

进入/usr/local/mysql文件夹并执行该命令：

\[wangh@HavGO mysql\]$ sudo bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data

该命令的意思是初始化 并制定user、mysql目录和data目录(第三步创建的data)

查看临时密码:

**\[root@wolfcode\]\# grep ‘temporary password’ /var/log/mysqld.log**

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\[mysqld\]

## 设置mysql的安装目录 ##

basedir=/usr/local/mysql

## 设置mysql数据库的数据的存放目录 ##

datadir=/usr/local/mysql/data

## 服务端使用的字符集默认为8比特编码的latin1字符集 ##

character-set-server=utf8

socket=/tmp/mysql.sock

\#socket=/var/lib/mysql/mysql.sock

user=mysql

\[mysql-safe\]

log-error=/var/log/mysql/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid

其他设置可配可不配

## 设置mysql客户端默认字符集 ##

default-character-set=utf8

socket=/var/lib/mysql/mysql.sock

\[mysqld\]

skip-name-resolve

\#设置3306端口

port = 3306

## 允许最大连接数 ##

max\_connections=200

## 创建新表时将使用的默认存储引擎 ##

default-storage-engine=INNODB

lower\_case\_table\_names=1

max\_allowed\_packet=16M

\#忘记密码时可取消注释，无密码登陆

\#skip-grant-tables

配置环境变量

\[wangh@HavGO mysql\]$ vim /etc/profile

添加以下内容：

export MYSQL\_HOME="/usr/local/mysql"

export PATH=“ P A T H : PATH: PATH:MYSQL\_HOME/bin”

添加完成，保存退出后，让环境变量立即生效：

\[wangh@HavGO mysql\]$ source /etc/profile

现在mysql已经安装完毕，启动mysql服务：

\[wangh@HavGO etc\]$ sudo service mysql start

显示启动成功。

如果在第2步骤中，mysql文件夹不是以“mysql命名”，mysqld\_safe会报错，显示“mysqld\_safe The file /usr/local/mysql/bin/mysqld

does not exist or is not executable.”

因为mysqld\_safe脚本默认mysql路径为/usr/local/mysql,此时有两种解决办法，将mysqld\_safe中的所有/usr/local/mysql目录改为自己实际的安装目录

或者将自己实际安装目录创建链接至/usr/local/mysql

mkdir /var/lib/mysql

mysql\_install\_db --user=mysql --ldata=/var/lib/mysql/

mysql服务启动后，键入命令进入mysql，密码为之前获取的初始密码；

\[wangh@HavGO etc\]$ mysql -u root -p

输入初始密码，回车

设置新密码为：jkl12345784

再次用新密码登陆，就可以使用mysql了。

登录后立即修改root密码：

mysql> alter user ‘root’@‘localhost’ identified by ‘admin’;

Query OK, 0 rows affected (0.00 sec)

其中your\_password是你设置的新密码。新密码应是强密码，要求密码包含大小写字母、数字及标点符号，长度应该在6位以上。

grant all privileges on *.* to ‘root’@’%'identified by ‘admin’ with grant option;

flush privileges

ps aux |grep httpd  
————————————————  
[地址][Link 1]

[Link 1]: https://blog.csdn.net/weixin_36321633/article/details/113584288

[Linux Mysql报错/和Mysql安装] ERROR 1819 (HY000): Your password does not satisfy the current policy requ

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