Steps to modify the MySQL host name

Modifying the MySQL host name means changing the host name of the MySQL database server from the original value to the new value. This process requires a series of steps, including modifying the MySQL configuration file and restarting the MySQL service. The following will introduce the steps to modify the MySQL host name in detail and provide specific code examples.

Step 1: Back up data

Before modifying the MySQL host name, be sure to back up important data in the database to prevent data loss due to unexpected situations.

Step 2: Log in to the MySQL service

Use an SSH client to connect to the MySQL server, and use the root user to log in to the MySQL service.

$ ssh root@your_mysql_server_ip
$ mysql -u root -p

Step 3: View the current host name

Execute the following command in MySQL to view the current host name:

SELECT @@hostname;

Step 4: Modify the host name

Edit the MySQL configuration file my.cnf, add or modify the following configuration items in the file:

bind-address = your_new_hostname

Step 5: Restart the MySQL service

Save the modified configuration file and restart the MySQL service , to make the modification effective.

$ systemctl restart mysql

Step 6: Verify the modification

Re-log in to the MySQL service and execute the following query to verify whether the host name has been modified successfully:

SELECT @@hostname;

At this point, you have successfully modified MySQL The host name of the database server. Remember to be careful during the modification process and make sure to back up your data to prevent data loss. Hope the above steps are helpful to you!

The above is the detailed content of Steps to modify the MySQL host name. For more information, please follow other related articles on the PHP Chinese website!