修改密码与忘记mysql密码的处理方法
 
修改MySQL密码: 
1
mysqladmin -u root -p password 123456
2
mysqladmin -u用户名 -p旧密码 password 新密码

 

忘记MySQL密码: 
01
chown -R mysql:mysql /var/lib/mysql
02
 /etc/init.d/mysql stop 或 kill -9 杀死进程。
03
[root@corshetlpro01 bin]# cd /usr/local/mysql/bin
04
./mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
05
[root@corshetlpro01 bin]# ps -ef | grep mysql
06
root     26544 25356  0 15:08 pts/18   00:00:00 /bin/sh ./mysqld_safe --user=mysql --skip-grant-tables --skip-networking
07
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
08
root     27223 25356  0 15:08 pts/18   00:00:00 grep mysql
09
./mysql -u root
10
mysql> use mysql;
11
mysql> update user set password=password('newpassword') where user='root';
12
mysql> flush privileges;
13
mysql> quit
14
# /etc/init.d/mysql restart
15
# mysql -uroot -p
16
enter password: <输入新设的密码newpassword>