# cd /etc/mysql

sudo vim debian.cnf  一定要是sudo或者root賬號許可權開啟，否則看不到內容

#Automatically generated for Debian scripts. DO NOT TOUCH!
[client]
host     = localhost
user     = debian-sys-maint
password = jj5pcggp3FD9zXaD
socket   = /var/run/mysqld/mysqld.sock
[mysql_upgrade]
host     = localhost
user     = debian-sys-maint
password = jj5pcggp3FD9zXaD
socket   = /var/run/mysqld/mysqld.sock
basedir  = /usr
 

複製賬號和密碼

# mysql -udebian-sys-maint -pjj5pcggp3FD9zXaD

Welcome to the MySQL monitor.  ....

# use mysql

#update user set password=password('root') where user='root';

Query OK, 4 rows affected (0.01 sec)
Rows matched: 4 Changed: 4 Warnings: 0

# flush privileges

Query OK, 0 rows affected (0.00 sec)