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  • 远程连接mysql提示:1251-client does not support authentication protocol requested by server

    在mysql主机登录后

    1.查看用户信息
    select host,user,plugin,authentication_string from mysql.user;
    1


    备注:
    host为 % 表示不限制ip
    localhost表示本机使用
    plugin非mysql_native_password 则需要修改密码

    2.修改用户密码

    mysql> ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';   

        # ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'newpassword'; #更新一下用户的密码 root用户密码为newpassword
    Query OK, 0 rows affected (0.10 sec)

    mysql> SELECT User, Host FROM mysql.user;
    +------------------+-----------+
    | User | Host |
    +------------------+-----------+
    | root | % |
    | debian-sys-maint | localhost |
    | mysql.infoschema | localhost |
    | mysql.session | localhost |
    | mysql.sys | localhost |
    | root | localhost |
    +------------------+-----------+
    6 rows in set (0.01 sec)

    mysql> select host,user,plugin,authentication_string from mysql.user;
    +-----------+------------------+-----------------------+------------------------------------------------------------------------+
    | host | user | plugin | authentication_string |
    +-----------+------------------+-----------------------+------------------------------------------------------------------------+
    | % | root | mysql_native_password | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
    | localhost | debian-sys-maint | caching_sha2_password | $A$005$&[CW4 j.|1mV 0)A(0cQoGIOyhwwb4bie4l0a2MXmRIoI7wJLP4Ik2gr9O0u8 |
    | localhost | mysql.infoschema | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
    | localhost | mysql.session | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
    | localhost | mysql.sys | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
    | localhost | root | mysql_native_password | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
    +-----------+------------------+-----------------------+------------------------------------------------------------------------+
    6 rows in set (0.00 sec)

    mysql> FLUSH PRIVILEGES;

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  • 原文地址:https://www.cnblogs.com/Jayson-yang/p/15099689.html
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