Remote-access Guide

mysql server remote access configuration

by Monroe Brakus Published 1 year ago Updated 1 year ago
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How to Allow Remote Connections to MySQL Database Server

  • Configuring MySQL Server. The first step is to set the MySQL server to listen on a specific IP address or all IP...
  • Granting Access to a User from a Remote Machine. The next step is to allow access to the database to the remote user.
  • Configuring Firewall. The last step is to configure your firewall to allow traffic...

How to Allow Remote Connections to MySQL
  1. Step 1: Edit MySQL Config File.
  2. 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.
  3. Step 3: Connect to Remote MySQL Server.
Mar 26, 2020

Full Answer

How to configure MySQL to allow remote connections?

The first step in configuring MySQL to allow remote connections is to edit your MySQL configuration file. By this stage, this guide will assume you have already connected to the server, PC, or Mac hosting your mySQL database remotely and have console access.

How to configure remote access?

Configure Remote Access 1 In Object Explorer, right-click a server and select Properties. 2 Click the Connections node. 3 Under Remote server connections, select or clear the Allow remote connections to this server check box. See More....

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.

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How do I remotely access a MySQL database from another computer?

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 can I tell if MySQL is being remote accessed?

Task: MySQL Server Remote AccessStep # 1: Login Using SSH (if server is outside your data center) ... Step # 2: Edit the my. ... Step # 3: Once file opened, locate line that read as follows. ... Step# 4 Save and Close the file. ... Step # 5 Grant access to remote IP address. ... Step # 6: Logout of MySQL. ... Step # 7: Open port 3306.More items...•

Can't connect to MySQL server on remote host?

To allow remote access to MySQL, you have to comment out bind-address (you did) and skip-networking in the configuration file. Next, you have to make sure the user is allowed remote access. Check your user with this: SELECT User, Host FROM mysql.

How do I enable remote access to MySQL server Windows?

Connecting to MySQL on WindowsFrom there, type . \mysql.exe -u username -h X.X.X.X:XXXX -p. Replace X.X.X.X:XXXX with your remote server IP address and port number (eg. 100.200. ... Provide your password, when prompted, to complete the sign-in process and access your MySQL database remotely.

How do I create a remote access user in MySQL?

Find bind-address=127.0.0.1 in config file change bind-address=0.0.0.0 (you can set bind address to one of your interface IPs or like me use 0.0.0.0)Restart mysql service run on console: service mysql restart.Create a user with a safe password for remote connection.

What is the IP address of MySQL server?

Hostname: The host name or IP address of the MySQL server. The host name "localhost" might resolve to "127.0. 0.1" or "::1" on your host, so note this when checking permissions.

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 find my MySQL IP address?

The SQL query SHOW VARIABLES WHERE Variable_name = 'hostname' will show you the hostname of the MySQL server which you can easily resolve to its IP address.

How can I tell if MySQL is being used?

We check the status with the systemctl status mysql command. We use the mysqladmin tool to check if MySQL server is running. The -u option specifies the user which pings the server. The -p option is a password for the user.

How do I test MySQL connection?

To test the connection to your database, run the telnet hostname port on your Looker server. For example, if you are running MySQL on the default port and your database name is mydb, the command would be telnet mydb 3306 . If the connection is working, you will see something similar to this: Trying 10.10.

Can you ping a MySQL server?

From the docs: MySQL Connector/J has the ability to execute a lightweight ping against a server, in order to validate the connection.

What port is MySQL?

Port 3306Client - Server Connection Ports Port 3306 is the default port for the classic MySQL protocol ( port ), which is used by the mysql client, MySQL Connectors, and utilities such as mysqldump and mysqlpump.

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.

What is the default IP address for a server?

By default, this value is set to 127.0.0.1, meaning that the server will only look for local connections. You will need to change this directive to reference an external IP address. For the purposes of troubleshooting, you could set this directive to a wildcard IP address, either *, ::, or 0.0.0.0:

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 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:

What is the default IP address for MySQL?

Scroll down to the bind-address line and change the IP address. The current default IP is set to 127.0.0.1. This IP limits MySQL connections to the local machine.

What port is MySQL on?

The iptables utility is available on most Linux distributions by default. Type the following command to open MySQL port 3306 to unrestricted traffic:

What does u username mean in MySQL?

The -u username in the command represents your MySQL username. The -h mysql_server_ip is the IP or the hostname of your MySQL server. The -p option prompts you to enter the password for the MySQL username.

What is the name of the zone in MySQL?

Create a new zone to set the rules for the MySQL server traffic. The name of the zone in our example is mysqlrule, and we used the IP address from our previous example 133.155.44.103:

Why do we need separate database servers?

A separate database server can improve security, hardware performance, and enable you to scale resources quickly. In such use cases, learning how to manage remote resources effectively is a priority.

How many commands are needed to grant remote access to a user?

Granting remote access to a user for an existing database requires a set of two commands:

Which database management system can be installed on CentOS 8?

MySQL, the most widely used relational database management system can be installed on CentOS 8 from the...

What permissions are granted to all users in sp_configure?

Execute permissions on sp_configure with no parameters or with only the first parameter are granted to all users by default. To execute sp_configure with both parameters to change a configuration option or to run the RECONFIGURE statement, a user must be granted the ALTER SETTINGS server-level permission. The ALTER SETTINGS permission is implicitly held by the sysadmin and serveradmin fixed server roles.

How to find properties of a server in Object Explorer?

In Object Explorer, right-click a server and select Properties.

Can you run sp_configure with no parameters?

Execute permissions on sp_configure with no parameters or with only the first parameter are granted to all users by default. To execute sp_configure with both parameters to change a configuration option or to run the RECONFIGURE statement, a user must be granted the ALTER SETTINGS server-level permission. The ALTER SETTINGS permission is implicitly held by the sysadmin and serveradmin fixed server roles.

Install And Configure Mysql Server

To install MySQL, first, you have to update the server which contains the package index.

Create User And Give Privileges

It is not recommended to give permission for the root user to access remotely. So its better to create a new user and grant all the permissions to that user for connecting from the remote host.

Edit MySQL configuration file

To allow remote connections you need to edit the MySQL configuration. Open the configuration file using the following command.

What port is MySQL on?

But connecting remotely to your database server usually entails configuring MySQL to listen on every interface, restricting access to port 3306 with your firewall, and configuring user and host permissions for authentication. And allowing connections to MySQL directly can be a security concern.

How to create a new connection in MySQL Workbench?

Create a new connection by clicking the + icon next to MySQL Connections in the main window.

How to enter hostname in SSH?

For SSH Hostname, enter your MySQL server’s IP address. If your server accepts SSH connections on a different port, enter the IP address, followed by a colon and port number.

What platforms does MySQL work on?

MySQL Workbench installed on your local machine, which is available for all major platforms, including Windows, macOS, Ubuntu Linux, RedHat Linux, and Fedora. Visit the MySQL Workbench Downloads page to download the installer for your operating system.

Where is the database in MySQL Workbench?

You will find your databases listed under the SCHEMAS area of the left navigation bar. The dropdown arrow next to each database will allow you to expand and navigate your databases tables and objects. You can easily view table data, write complex queries, and edit data from this area of MySQL Workbench, as shown in the following figure:

How to connect to a different database?

To manage your connections, select the Database menu and choose the Connect to Database option, or press ⌘U on the Mac or CTRL+U on Windows and Linux systems. To connect to a different database, create a new connection using the same process you used for your first connection.

Can you connect to MySQL through SSH?

Using tools like HeidiSQL for Windows, Sequel Pro for macOS, or the cross-platform MySQL Workbench, you can connect securely to your database over SSH, bypassing those cumbersome and potentially insecure steps.

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.

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

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

How to configure MySQL database to allow connections from devices?

If you want to configure your MySQL database to allow connections from devices using your current internet connection, find your public IP address first, then replace 127.0.0.1 with that IP address. Alternatively , replace it with an IP address for the device or server you wish to allow connections from .

How to open a MySQL configuration file on Mac?

On Mac, open a terminal window and type sudo nano /usr/local/etc/my.cnf. This is the default configuration file for MySQL if you’ve installed MySQL using homebrew.

How to connect to MySQL server on Mac?

To connect to your remote MySQL server on Mac or Linux, open a new terminal window and type mysql -u username -h X.X.X.X:XXXX -p. Replace X.X.X.X:XXXX with your remote server IP address and port number (eg. 100.200.100.200:3306) and username with your MySQL username.

How to edit MySQL database?

To start, use your preferred console text editor to edit your MySQL database file. On Linux, type sudo nano /etc/mysql/mysql.conf.d/mysqld.cnf into a terminal or SSH window to edit this file using the nano editor (assuming your MySQL database is in the default location) .

How to save a MySQL bind address?

Once you’ve configured the bind-address in your MySQL configuration file, save the file. If you’re on Linux, select Ctrl + O and Ctrl + X to do this. On Mac, select Command + O and Command + X. Windows users can save by selecting File > Save.

How to restart MySQL on Mac?

Next, Linux and Mac users can restart MySQL by typing mysql.server stop && mysql.server start or mysql.server restart. You may need to elevate the command using sudo (eg. sudo mysql.server restart) and use the appropriate path to the mysql.server file (eg. /usr/local/bin/mysql.server ).

How to create a user in MySQL?

In your remote MySQL shell (using the mysql tool), type CREATE USER “username”@”x.x.x.x” IDENTIFIED BY “password”; and select Enter. Replace username with the username you wish to create, x.x.x.x with the IP address you wish to connect from, and password with a suitable password.

Where to find configuration file in MySQL?

Just a note from my experience, you can find configuration file under this path /etc/mysql/mysql.conf.d/mysqld.cnf.

Is remote login off by default?

All process for remote login. Remote login is off by default.You need to open it manually for all ip..to give access all ip

Do you have to add privileges for non localhost?

You will also have to add privileges for a non- localhost user as well.

Does MySQL listen to brew?

If you installed MySQL from brew it really does only listen on the local interface by default. To fix that you need to edit /usr/local/etc/my.cnf and change the bind-address from 127.0.0.1 to *.

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