Remote-access Guide

debian 9 mysql remote access

by Charlotte Mills Published 2 years ago Updated 2 years ago
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To verify that the remote user can connect to the MySQL server, run the following command: mysql -u user_name -h mysql_server_ip -p Where user_name is the name of the user you granted access to, and mysql_server_ip is the IP address of the host where the MySQL server runs.

Full Answer

How do I allow a remote user to access a MySQL database?

The next step is to allow access to the database to the remote user. Log in to the MySQL server as the root user by typing: sudo mysql. Copy. If you are using the old, native MySQL authentication plugin to log in as root, run the command below and enter the password when prompted: mysql -uroot -p. Copy.

Is it possible to Access MySQL server from a remote location?

However, in some situations, it is necessary to access the MySQL server from a remote location. For example, you may need to connect to the remote MySQL server from your local system or a multi-server deployment where the application is running on a different machine from the database server.

How can I allow connections to my MySQL database from other machines?

If you need to access the database from other machines in the future, you can grant them access on an ad hoc basis with this command. Just remember to include their respective IP addresses. Alternatively, you can allow connections to your MySQL database from any IP address with the following command:

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How do I make my MySQL database accessible remotely?

How to Allow Remote Connections to MySQLStep 1: Edit MySQL Config File.Step 2: Set up Firewall to Allow Remote MySQL Connection. Option 1: UFW (Uncomplicated Firewall) Option 2: FirewallD. Option 3: Open Port 3306 with iptables.Step 3: Connect to Remote MySQL Server.

How do I access MySQL from another computer Linux?

Before connecting to MySQL from another computer, the connecting computer must be enabled as an Access Host.Log into cPanel and click the Remote MySQL icon, under Databases.Type in the connecting IP address, and click the Add Host button. ... Click Add, and you should now be able to connect remotely to your database.

How do I connect to a MySQL database using IP address?

Select Connections from the SQL navigation menu. In the Authorized networks section, click Add network and enter the IP address of the machine where the client is installed. Note: The IP address of the instance and the mysql client IP address you authorize must be the same IP version: either IPv4 or IPv6. Click Done.

How do I enable remote access to my MariaDB MySQL database?

How to enable Remote access to your MariaDB/MySQL database on Ubuntu Bionic or MariaDB < v10. 6Enabling Remote Access in the Webdock Dashboard. ... Manual configuration using the command line. ... Verify MariaDB Server. ... Configure MariaDB. ... Grant Access to a User from a Remote System. ... Configure Firewall.More items...•

How do I remotely connect to a database?

To set up remote connection to your database, go to Site Tools > Site > MySQL > Remote. After that fill in the IP address or hostname from which you want to connect. You can also add a Label for them. This will allow you to connect to the database server via a remote MySQL client.

How do I check if MySQL has remote access?

If your MySQL server process is listening on 127.0. 0.1 or ::1 only then you will not be able to connect remotely. If you have a bind-address setting in /etc/my. cnf this might be the source of the problem.

How do I find MySQL server IP address?

GLOBAL_VARIABLES where VARIABLE_NAME like 'hostname'; SELECT host FROM information_schema. processlist WHERE ID=connection_id(); Will give you the host name (or IP address if name resolution is not enabled, which it is usually not) connecting to the mysql server on the current connection.

What is remote MySQL?

Overview. This feature allows remote hosts (servers) to access MySQL® databases on your account. This is useful, for example, if you wish to allow shopping cart or guestbook applications on other servers to access your databases. Warning: Your hosting provider may add remote hosts to this list at the server level.

How do I connect to a MySQL database?

To Connect to a MySQL DatabaseClick Services tab.Expand the Drivers node from the Database Explorer. ... Enter User Name and Password. ... Click OK to accept the credentials. ... Click OK to accept the default schema.Right-click the MySQL Database URL in the Services window (Ctrl-5).

How do I access MariaDB on Linux?

Login to the MariaDb server and edit the file /etc/my.cnf. Add or edit the row bind-address=YOUR_SERVER_IP. ... Restart the server using '/etc/init.d/mariadb restart'Login on the server using 'mariadb -u root -p mariadb' and execute the statements below replacing the user, ip and password : For a new database:

Can't connect to local MySQL server?

normally means that there is no MySQL server running on the system or that you are using an incorrect Unix socket file name or TCP/IP port number when trying to connect to the server. You should also check that the TCP/IP port you are using has not been blocked by a firewall or port blocking service.

How do I log into MariaDB on Linux?

Root LoginTo log in to MariaDB as the root user: mysql -u root -p.When prompted, enter the root password you assigned when the mysql_secure_installation script was run. ... To generate a list of commands for the MariaDB prompt, enter \h .

How can I share MySQL database between two computers?

You can do by this process step-by-step using MySQL WorkBench.Install MySQL Workbench.Connect to existing Database.Go to Navigator -> Management -> Data Export. ( ... Create Database on target PC.Connect to Target Database (would consist of 0 tables in DB)Go to Navigator -> Management -> Data Import/Restore.

How do I open MySQL in Linux terminal?

Launch the MySQL Command-Line Client. To launch the client, enter the following command in a Command Prompt window: mysql -u root -p . The -p option is needed only if a root password is defined for MySQL. Enter the password when prompted.

How do I connect to a MySQL database?

To Connect to a MySQL DatabaseClick Services tab.Expand the Drivers node from the Database Explorer. ... Enter User Name and Password. ... Click OK to accept the credentials. ... Click OK to accept the default schema.Right-click the MySQL Database URL in the Services window (Ctrl-5).

How do I connect to MySQL in ubuntu?

Root LoginTo log in to MySQL as the root user: mysql -u root -p.When prompted, enter the root password you assigned when the mysql_secure_installation script was run. You'll then be presented with the MySQL monitor prompt: Welcome to the MySQL monitor. ... To generate a list of commands for the MySQL prompt, enter \h .

What port is MySQL on?

The last step is to configure your firewall to allow traffic on port 3306 (MySQL default port) from the remote machines.

Where is MySQL configuration file?

The location of the MySQL configuration file differs depending on the distribution. In Ubuntu and Debian the file is located at /etc/mysql/mysql.conf.d/mysqld.cnf, while in Red Hat based distributions such as CentOS, the file is located at /etc/my.cnf.

What is user_name in MySQL?

user_name is the name of the MySQL user.

Can MySQL listen to private IP?

If the MySQL server and clients can communicate over a private network, the best option is to set the MySQL server to listen only on the private IP. Otherwise, if you want to connect to the server over a public network, set the MySQL server to listen on all IP addresses on the machine.

Does MySQL listen to localhost?

By default, the MySQL server listens for connections only from localhost, which means it can be accessed only by applications running on the same host.

Which database server listens for incoming connections only?

MySQL, the most popular open-source database server by default, listens for incoming connections only on localhost.

Does MySQL 8.0 have bind address?

In MySQL 8.0 and higher, the bind-address directive may not be present. In this case, add it under the [mysqld] section.

What is the default authentication plugin for MySQL?

Note: This command will create a user that authenticates with MySQL’s default authentication plugin, caching_sha2_password. However, there is a known issue with some versions of PHP that can cause problems with this plugin.

What is a MySQL guide?

This guide is intended to serve as a troubleshooting resource and starting point as you diagnose your MySQL setup. We’ll go over some of the issues that many MySQL users encounter and provide guidance for troubleshooting specific problems. We will also include links to DigitalOcean tutorials and the official MySQL documentation that may be useful in certain cases.

Can MySQL listen to local connections?

One of the more common problems that users run into when trying to set up a remote MySQL database is that their MySQL instance is only configured to listen for local connections. This is MySQL’s default setting, but it won’t work for a remote database setup since MySQL must be able to listen for an external IP address where the server can be reached. To enable this, open up your mysqld.cnf file:

Can you access a database server remotely?

If you only plan to access the database server from one specific machine, you can grant that machine exclusive permission to connect to the database remotely with the following command. Make sure to replace remote_IP_address with the actual IP address of the machine you plan to connect with:

Can a website and database be hosted on the same machine?

Many websites and applications start off with their web server and database backend hosted on the same machine. With time, though, a setup like this can become cumbersome and difficult to scale. A common solution is to separate these functions by setting up a remote database, allowing the server and database to grow at their own pace on their own machines.

Can you create a user that authenticates with cache_sha2_plugin?

If you aren’t sure, you can always create a user that authenticates with caching_sha2_plugin and then ALTER it later on with this command:

Can you connect to MySQL database from IP address?

Alternatively, you can allow connections to your MySQL database from any IP address with the following command: Warning: This command will enable anyone to access your MySQL database. Do not run it if your database holds any sensitive data. Following this, try accessing your database remotely from another machine:

Create a New MySQL User

It is advisable to work with a remote user who is neither a root MySQL user nor tied to the remote server hosting the MySQL database software.

Enable Remote MySQL Access

Now that we have the remote user created, it’s time to perform some additional configuration changes. By default, the MySQL bind-address is 127.0.0.1 which implies that only localhost users can interact with the MySQL database.

Attempting Remote MySQL Database Access

To directly connect to the MySQL database server remotely, adhere to the following MySQL syntax:

Enable Remote MySQL Access in Firewall

If you have a firewall enabled on your remote server, you might need to grant access to MySQL’s default port 3306 and grant access to remote_ip_address as shown.

MySQL: Allow root remote access step by step instructions

Even after configuring MySQL to allow remote connections to the root account, you still need to allow connections to MySQL through the Linux firewall and make sure that MySQL is bound to an accessible interface. If you have not already configured those aspects, first see our guide on MySQL: Allow remote connections and then come back.

Closing Thoughts

In this tutorial, we saw how to allow remote access to the root account in MySQL. This is a simple setting to configure inside of the mysql_secure_installation prompts, which everyone is recommended to run through upon initial installation of MySQL server on Linux.

How to allow MySQL remote access in Ubuntu 20.04?

To allow MySQL remote Access in Ubuntu 20.04, we change the value of the bind-address to 0.0.0.0 in the /etc/mysql/mysql.conf.d/mysqld.cnf file.

What port is open to MySQL?

You can also run the nmap command from a remote computer to check whether MySQL port 3306 is open to the remote host. nmap 192.168.1.10. The output should list MySQL port 3306, and the STATE should be open. If the MySQL port 3306 is not open, Then there is a firewall that blocks the port 3306.

What socket is MySQL running on?

The output should show that MySQL Server is running on the socket 0 0.0.0.0:3306 instead of 127.0.0.1:3306.

Configure MySQL bind address

We will start by opening the /etc/mysql/mysql.cnf file. With root permissions, open this in nano or your favorite text editor. $ sudo nano /etc/mysql/mysql.cnf

Allow remote access through firewall

Assuming you are using port 3306 for your MySQL server, we will need to allow this through the system firewall. The command you need to execute is going to depend on the distribution you are using. Refer to the list below or adapt the command as needed to adhere to your own system’s firewall syntax.

Allow remote connections to a particular user from a specific IP

Now that the MySQL service can accept incoming connections and our firewall will allow a specific IP through, we just need to configure our user to accept remote connections from that IP.

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