Remote-access Guide

how to allow mysql remote access in ubuntu server 18.04

by Leola Spencer 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 install MySQL on Ubuntu?

Install the MySQL server by using the Ubuntu package manager: sudo apt-get update sudo apt-get install mysql-server. Allow remote access. Start the MySQL service.

How to allow remote connections to MySQL database server?

To allow remote connections to a MySQL server, you need to perform the following steps:

  • Configure the MySQL server to listen on all or a specific interface.
  • Grant access to the remote user.
  • Open the MySQL port in your firewall.

What is the best FTP server for Ubuntu?

Install a Server on Ubuntu

  1. Install vsftpd. You might already have vsftpd installed. ...
  2. Create an FTP User. The first thing you need is an FTP user account. ...
  3. Secure Your Ubuntu FTP Server. Before setting up a connection, however, you'll need to ensure FTP ports are open in Ubuntu. ...
  4. Encrypted Connections: FTP+SSL=FTPS. ...
  5. Install an FTP Client on Ubuntu. ...

How to remotely connect to the MySQL database?

via cPanel. To add your computer as an Access Host: Log in to cPanel. Under the Databases section, click on the Remote MySQL® icon. On the Remote MySQL® page, enter the connecting IP address, then click Add Host .

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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 allow remote connections to MySQL server?

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 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 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...•

How do I grant permissions 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';

How do I check if port 3306 is open Linux?

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

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 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 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 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 connect to a remote database?

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.

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.

How do I connect to 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 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.

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:

Steps

Firstly, you need to open /etc/mysql/mysql.conf.d/mysqld.cnf file (if you use MariaDB, installed of the provided file path, use earlier provided path for MariaDB):

If UFW is enabled on the server

If on your VPS is enabled UFW firewall, then it will block the MySQL remote access, so you need to add a firewall rule on your firewall to open the port 3306.

How to enable SSL connection to MySQL?

To enable SSL connections to MySQL, you first need to generate the appropriate certificate and key files. MySQL versions 5.7 and above provide a utility called mysql_ssl_rsa_setup that helps simplify this process. The version of MySQL you installed by following the prerequisite MySQL tutorial includes this utility, so we will use it here to generate the necessary files.

How to force MySQL to only allow secure connections?

Under that section header, set require_secure_transport to ON, which will force MySQL to only allow secure connections:

How to start MySQL as root?

Use the following command to begin a MySQL session as the root MySQL user. This command includes the -p option, which instructs mysql to prompt you for a password in order to log in. It also includes the -h option which is used to specify the host to connect to. In this case it points it to 127.0.0.1, the IPv4 loopback interface also known as localhost. This will force the client to connect with TCP instead of using the local socket file. MySQL attempts to make connections through a Unix socket file by default. This is generally faster and more secure, since these connections can only be made locally and don’t have to go through all the checks and routing operations that TCP connections must perform. Connecting with TCP, however, allows us to check the SSL status of the connection:

Why does MySQL reject remote connections?

This is because the existing MySQL users are all only configured to connect locally from the MySQL server. To resolve this, you will create a dedicated user that will only be able to connect from your client machine.

What IP address does MySQL use?

By default, MySQL is configured to only listen for connections that originate from 127.0.0.1, the loopback IP address that represents localhost. This means that MySQL is configured to only listen for connections that originate from the machine on which the MySQL server is installed.

What is private key in MySQL?

Additionally, the private_key.pem and public_key.pem files are used by MySQL to securely transfer passwords when not using SSL. Now that you have the necessary certificate and key files, continue on to enable the use of SSL on your MySQL instance.

How to allow MySQL to listen to external connections?

In order to allow MySQL to listen for external connections, you must configure it to listen for connections on an external IP address . To do this, you can add the bind-address setting and point it to 0.0.0.0, a wildcard IP address that represents all IP addresses. Essentially, this will force MySQL to listen for connections on every interface:

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