docker mysql authentication_string client does not support authentication 连接问题
docker安装mysql后，本地navicat连接报错client does not support authentication
解决办法：
SRE实战 互联网时代守护先锋，助力企业售后服务体系运筹帷幄！一键直达领取阿里云限量特价优惠。1. docker ps -a 查找到容器id
2. docker exec -it id /bin/bash 进入mysql容器
3.mysql -u root -proot登陆mysql
此处比较奇怪，我在docker中启动mysql容器指定密码是123456但是123456登陆不了，使用密码root可以登陆
4.use mysql; 进入mysql
5.查询用户表信息：
select host,user,authentication_string from user ;
6.更改host为% user为root的用户的authentication_string
host为%大家可以百度一下，说是方便远程连接
update user set authentication_string = 'root' where user = 'root' and host = '%';
update user set authentication_string = 'root' where user = 'root' and host = 'localhost';
7.如果还不行使用下面语句：
alter user 'root'@'localhost' identified with mysql_native_password by '123456';
alter user 'root'@'%' identified with mysql_native_password by '123456';
然后navicat登陆就成功啦
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