修改
mysql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>