我在MySQL用户表中有奇怪的用户配置文件。
当我键入此命令时:
mysql>从mysql.user中选择用户,主机,authentication_string;
这是输出:
+------------------+-----------+------------------------------------------------------------------------+
| User | Host | authentication_string |
+------------------+-----------+------------------------------------------------------------------------+
=A8kOOKZFfLtuvjSt/4N2vBczVh/x86enOUrQ3.nvYx6 |{uM
| debian-sys-maint | localhost | $A$005$t&+b*T~?URhAKh6vNu/poypI3.fHxo3x/6JlNWzgUqF5gSbYeP/ |
`wb7I\0zvKHFsJLJvxhIr1m1Vdj/qOp6NcuqSTsXwoYy/Gsd. |
| mysql.infoschema | localhost | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| mysql.session | localhost | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| mysql.sys | localhost | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| root | localhost | |
+------------------+-----------+------------------------------------------------------------------------+
7 rows in set (0.00 sec)
如何删除第一行和第三行中的陌生个人资料?
当我键入:
mysql> SELECT User, Host FROM mysql.user;
输出为:
+------------------+-----------+
| User | Host |
+------------------+-----------+
| monitor | % |
| debian-sys-maint | localhost |
| monitor | localhost |
| mysql.infoschema | localhost |
| mysql.session | localhost |
| mysql.sys | localhost |
| root | localhost |
+------------------+-----------+
7 rows in set (0.00 sec)
答案 0 :(得分:0)
authentication_string
是身份验证插件的数据,其名称存储在plugin
列中。
您首先可以看到这些monitor
条目是什么:
SELECT User, Host, plugin
FROM mysql.user
WHERE User='monitor';
如果不需要它们,请删除用户:
DROP USER 'monitor'@'%';
DROP USER 'monitor'@'localhost';
authentication_string的内容取决于所使用的身份验证插件(请参阅plugin-column值)。它曾经被称为密码,但是由于它可以包含密码以外的名称,因此名称已更改为authentication_string。在您的情况下,该列恰好包含您的终端使用的控制字符。没什么可担心的。您始终可以使用其他客户端来查看内容。