- 先到mysql官網上下載dmg格式安裝包,進行安裝。
- 安裝完后,命別名:
vim ~/.bash_profile
alias mysql=/usr/local/mysql/bin/mysql
alias mysqladmin=/usr/local/mysql/bin/mysqladmin
- 修改MySQL密碼(版本5.7.x)
通過 –skip-grant-tables的方式啟動mysqld_safe ,這個模式可以繞過mysql授權。
sudo /usr/local/mysql/bin/mysqld_safe --skip-grant-tables
之后進入mysql:
sudo /usr/local/mysql/bin/mysql -u root
在mysql.user中以前版本會有一個字段password,但是現在替換成了authentication_string
進入mysql之后:
mysql> update mysql.user set authentication_string=PASSWORD('123') where user=’root’;
Query OK, 1 row affected, 1 warning (0.04 sec)
Rows matched: 1 Changed: 1 Warnings: 1
mysql> flush privileges;
Query OK, 0 rows affected (0.02 sec)
mysql> quit
這時候Myqsl密碼已經修改完了,我們把上面的mysqld進程干掉,通過正常途徑起Mysqld服務
mysql -u root -p
mysql>
mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
mysql>
mysql> set password for root@localhost=password(‘123');
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> show databases;
+——————–+
| Database |
+——————–+
| information_schema |
| mysql |
| performance_schema |
| sys |
+——————–+
4 rows in set (0.01 sec)
mysql>