首次登入mysql(5.7)或忘記密碼解決方法【ubuntu】
阿新 • • 發佈：2018-12-15
使用debian-sys-maint登入系統，修改密碼
檢視debian-sys密碼
[email protected]:/etc/mysql$ sudo cat /etc/mysql/debian.cnf # Automatically generated for Debian scripts. DO NOT TOUCH! [client] host = localhost user = debian-sys-maint password = uLz3xiuwdnpAmWt4 socket = /var/run/mysqld/mysqld.sock [mysql_upgrade] host = localhost user = debian-sys-maint password = uLz3xiuwdnpAmWt4 socket = /var/run/mysqld/mysqld.sock
記住上面user和password
使用debian-sys-maint登入並修改密碼
[email protected]:/etc/mysql$ mysql -u debian-sys-maint -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.7.23-0ubuntu0.18.04.1 (Ubuntu)
成功登陸mysql
mysql> update mysql.user set authentication_string=password('root') where user='root' and Host ='localhost'; mysql> update user set plugin="mysql_native_password"; mysql> flush privileges;
重新整理許可權後，quit退出會話。
使用新設定的root密碼登入root
[email protected]:/etc/mysql$ mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.7.23-0ubuntu0.18.04.1 (Ubuntu)
成功修改root密碼並登入