修改mysql密码与忘记mysql密码的处理方法_MySQL

1mysqladmin -u root -p password 1234562mysqladmin -u用户名 -p旧密码 password 新密码

01chown -R mysql:mysql /var/lib/mysql02 /etc/init.d/mysql stop 或 kill -9 杀死进程。03[root@corshetlpro01 bin]# cd /usr/local/mysql/bin04./mysqld_safe --user=mysql --skip-grant-tables --skip-networking &05[root@corshetlpro01 bin]# ps -ef | grep mysql06root 26544 25356 0 15:08 pts/18 00:00:00 /bin/sh ./mysqld_safe --user=mysql --skip-grant-tables --skip-networking07mysql 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=330608root 27223 25356 0 15:08 pts/18 00:00:00 grep mysql09./mysql -u root10mysql> use mysql;11mysql> update user set password=password('newpassword') where user='root';12mysql> flush privileges;13mysql> quit14# /etc/init.d/mysql restart15# mysql -uroot -p16enter password: <输入新设的密码newpassword>