Shulou(Shulou.com)06/01 Report--

1 depicts

After installing mysql 5.7.17 in yum mode on rhel7.2 x64 server.

Run mysql -u root -p without knowing what the root password is.

[root@localhost bin]# mysql -u root -p

Enter password:

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

2 Detailed steps

Temporary passwords are stored in the/var/log/mysqld.log file after Mysql installation is complete. Get an auto-generated temporary password

[root@localhost bin]# grep "password" /var/log/mysqld.log

2016-12-26T05:36:59.714175Z 1 [Note] A temporary password is generated for root@localhost: tw=gB-DvY4CI

Skip root Temporary password Login database Change password

1. Stop mysql:systemctl stop mysqld

2. Set the mySQL environment option

systemctl set-environment MYSQLD_OPTS="--skip-grant-tables"

3. Start mysql usig the options you just set

systemctl start mysqld

4. Login as root

mysql -u root

5. Update the root user password with these mysql commands

mysql> UPDATE mysql.user SET authentication_string = PASSWORD('MyNewPassword') WHERE User = 'root' AND Host = 'localhost';

mysql> FLUSH PRIVILEGES;

mysql> quit

6. Stop mysql

systemctl stop mysqld

7. Unset the mySQL envitroment option so it starts normally next time

systemctl unset-environment MYSQLD_OPTS

8. Start mysql normally:

systemctl start mysqld

9. Try to login using your new password:

mysql -u root -p

mysql 5.7 mysqld_safe command not foundhttp://www.th7.cn/db/mysql/201610/210252.shtml

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