修改mysql密碼與忘記mysql密碼的處理方法

修改mysql密碼與忘記mysql密碼的處理方法,有需要的朋友可以參考下

修改MySQL密碼:
代碼如下:
mysqladmin -u root -p password 123456
mysqladmin -u用戶名 -p舊密碼 password 新密碼

忘記MySQL密碼:
代碼如下:
chown -R mysql:mysql /var/lib/mysql
/etc/init.d/mysql stop 或 kill -9 殺死進(jìn)程。
[root@corshetlpro01 bin]# cd /usr/local/mysql/bin
./mysqld_safe –user=mysql –skip-grant-tables –skip-networking &
[root@corshetlpro01 bin]# ps -ef | grep mysql
root 26544 25356 0 15:08 pts/18 00:00:00 /bin/sh ./mysqld_safe –user=mysql –skip-grant-tables –skip-networking
mysql 26673 26544 0 15:08 pts/18 00:00:00 /usr/local/mysql/libexec/mysqld –basedir=/usr/local/mysql –datadir=/var/lib/mysql –user=mysql –skip-grant-tables –skip-networking –log-error=/var/lib/mysql/corshetlpro01.err –pid-file=/var/lib/mysql/corshetlpro01.pid –socket=/tmp/mysql.sock –port=3306
root 27223 25356 0 15:08 pts/18 00:00:00 grep mysql
./mysql -u root
mysql> use mysql;
mysql> update user set password=password(‘newpassword’) where user=’root’;
mysql> flush privileges;
mysql> quit
# /etc/init.d/mysql restart
# mysql -uroot -p
enter password:

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