ubuntu下 mysql安裝之後沒法登錄的的解決方法（(ERROR 1698 (28000): Access denied for user 'root'@'local...

 

1. 刪除mysql

 

 

sudo apt-get autoremove --purge mysql-server-5.0

 

sudo apt-get remove mysql-server

sudo apt-get autoremove mysql-server

sudo apt-get remove mysql-common 

 

 

2. 清理殘留數據

dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P

 

 

 

3. 安裝 mysql

 

 

sudo apt-get install mysql-server

sudo apt-get install mysql-client

 

4 解決普通用戶沒法登陸的問題：

sudo mysql -u root -p

select user, plugin from mysql.user;

update mysql.user set authentication_string=PASSWORD('newPwd'), plugin='mysql_native_password' where user='root';

flush privileges;

exit

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