Remote-access Guide

ubuntu 18.04 mysql allow remote access

by Timmy Doyle Published 2 years ago Updated 1 year ago
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To allow remote access, we changed the value of the bind-address to: “0.0.0.0”. bind-address = 0.0.0.0 By changing value to 0.0.0.0, we instruct MySQL to bind to all available interfaces and by doing that we allow remote connections to the MySQL Server on Ubuntu 18.04. Open port 3306 from Ubuntu Firewall

Full Answer

How do I enable remote connections in MySQL on Ubuntu?

Enable MySQL Server Remote Connection in Ubuntu. By default MySQL Server on Ubuntu run on the local interface, This means remote access to the MySQL Server is not Allowed. To enable remote connections to the MySQL Server we need to change value of the bind-address in the MySQL Configuration File.

How do I grant remote access to a MySQL database?

Assuming you’ve configured a firewall on your database server, you will also need to open port 3306 — MySQL’s default port — to allow traffic to MySQL. 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.

How to allow root remote access to MySQL server in Linux?

Conventional security practice is to disable remote access for the root account, but it is very simple to turn on that access in a Linux system. Read on and follow through the step by step instructions to allow root remote access in your MySQL server. Privileged access to your Linux system as root or via the sudo command.

How does MySQL work on Ubuntu 18 04?

How it works.. By default the mysql daemon on Ubuntu 18.04 is only listening for connections on localhost (127.0.0.1), which mean you cannot login to the server from a remote computer. This setting is controlled by the bind-address in the MySQL/MariaDB configuration file.

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How do I enable remote access to MySQL server Ubuntu?

I did these steps:Installed MySQL Server + adding a new user.Activated the firewall: sudo ufw enable.Allowed the MySQL port: sudo ufw allow 3306.Reloaded the Firewall: sudo ufw reload.

How do I enable remote access in MySQL?

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 connect to a remote MySQL database?

Create the remote connectionOn your database server, as a user with root privileges, open your MySQL configuration file. To locate it, enter the following command: ... Search the configuration file for bind-address . ... Save your changes to the configuration file and exit the text editor.Restart the MySQL service:

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

Step two: Granting access to the userLog in to the MySQL server.Log in to MySQL with the command mysql -u root -p.Type the MySQL root user password.Issue the MySQL command: GRANT ALL ON wordpressdb. ... Flush the MySQL privileges with the command FLUSH PRIVILEGES;Exit out of the MySQL prompt with the command exit;

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 check if port 3306 is open Linux?

The correct way is using: sudo lsof -i :3306 .

How can I access my database remotely?

Allowing a Remote Server to Access Your DatabaseLog 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 allow all hosts to connect to MySQL?

To do so, you need to edit the MySQL configuration file and add or change the value of the bind-address option. You can set a single IP address and IP ranges. If the address is 0.0. 0.0 , the MySQL server accepts connections on all host IPv4 interfaces.

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 find my MySQL IP address Ubuntu?

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 do I connect to a MySQL 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 grant all privileges to a user in MySQL?

To GRANT ALL privileges to a user , allowing that user full control over a specific database , use the following syntax: mysql> GRANT ALL PRIVILEGES ON database_name. * TO 'username'@'localhost';

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 allow all hosts to connect to MySQL?

To do so, you need to edit the MySQL configuration file and add or change the value of the bind-address option. You can set a single IP address and IP ranges. If the address is 0.0. 0.0 , the MySQL server accepts connections on all host IPv4 interfaces.

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 grant all privileges to a user in MySQL?

To GRANT ALL privileges to a user , allowing that user full control over a specific database , use the following syntax: mysql> GRANT ALL PRIVILEGES ON database_name. * TO 'username'@'localhost';

Step 1: Install MySQL Database Server

If you haven’t installed MySQL server and you’re looking for a truly open source database server, then MySQL is a great place to start… To install MySQL, simply run the commands below:

Step 2: Configure MySQL Remote Access

As we mentioned above, all remote access to the server is denied by default. To enable remote access, you’ll need to set the bind-address to allow for remote access.

Step 3: Access from Remote Clients

Now that the server is configured. use the steps below to allow remote clients to access the database.

Ubuntu Firewall

If your Ubuntu server has firewall enabled, then you will want to open connection to the database server. Simply run the commands below to open the firewall to client from from the IP address to the port only.

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.

How it works.

By default the mysql daemon on Ubuntu 18.04 is only listening for connections on localhost (127.0.0.1), which mean you cannot login to the server from a remote computer. This setting is controlled by the bind-address in the MySQL/MariaDB configuration file.

Open port 3306 from Ubuntu Firewall

UFW firewall is disabled by default in Ubuntu 18.04, so you don’t have to worry about opening mysql port 3306 if you didn’t enable UFW.

Create Remote MySQL user and grant remote access to databases

Now that our MySQL server allows remote connections, we still need to have a mysql user that is allowed to access the server from outside the localhost. To create a mysql user that is allowed to connect from any host, login in the MySQL console and run:

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 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:

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.

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