1. Log in to mysql.
Open the terminal and enter the command: "# mysql -uroot -p".
[root@localhost ~]# mysql -uroot -p
Enter password: Enter the database password;
2. Then enter the command "show global variables like 'port';" to view the port number.
mysql> show global variables like 'port'; +---------------+-------+ | Variable_name | Value | +---------------+-------+ | port | 3306 | +---------------+-------+ 1 row in set (0.00 sec)
Here 3306 is the port number.
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