linux下mysql的root密碼忘記解決

zzy020128發表於2015-08-20
LinuxMySql密碼
1．修改MySQL的登入設定： 
# vi /etc/my.cnf 
在[mysqld]的段中加上一句：skip-grant-tables 
例如： 
[mysqld] 
datadir=/var/lib/mysql 
socket=/var/lib/mysql/mysql.sock 
skip-grant-tables 
儲存並且退出vi。 
2．重新啟動mysqld 
# ./home/mariadb/bin/mysqld restart 
Stopping MySQL: [ OK ] 
Starting MySQL: [ OK ] 
3．登入並修改MySQL的root密碼 
# ./home/mariadb/bin/mysql 
Welcome to the MySQL monitor. Commands end with ; or \g. 
Your MySQL connection id is 3 to server version: 3.23.56 
Type 'help;' or '\h' for help. Type '\c' to clear the buffer. 
mysql> USE mysql ; 
Reading table information for completion of table and column names 
You can turn off this feature to get a quicker startup with -A 
Database changed 
mysql> UPDATE user SET Password = password('new-password') WHERE User = 'root' ; 
Query OK, 0 rows affected (0.00 sec) 
Rows matched: 2 Changed: 0 Warnings: 0 
mysql> flush privileges ; 
Query OK, 0 rows affected (0.01 sec) 
mysql> quit 
Bye 
4．將MySQL的登入設定修改回來 
# vi /etc/my.cnf 
將剛才在[mysqld]的段中加上的skip-grant-tables刪除 
儲存並且退出vi。 
5．重新啟動mysqld 
# ./home/mariadb/bin/mysqld restart 
Stopping MySQL: [ OK ] 
Starting MySQL: [ OK ]




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