Remote-access Guide

how to allow remote access to mysql on linux

by Julie Schamberger Published 2 years ago Updated 1 year ago
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Enabling remote mysql access is very simple, we just need to perform a little editing in the mysql configuration file. Open the /etc/mysql/my.cnf file by running the following command: gedit /etc/mysql/my.cnf

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 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.

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 .

How to connect to MySQL from the command line?

To connect to MySQL from the command line, follow these steps:

  • Log in to your A2 Hosting account using SSH.
  • At the command line, type the following command, replacing username with your username: mysql -u username -p
  • At the Enter Password prompt, type your password. ...

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How do I check if MySQL has remote access?

You need type the following commands which will allow remote connections to a mysql server.Step # 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.More items...•

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.

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 access MySQL on Linux?

MySQL can be accessed from applications and programs on Linux....The mysql command-h followed by the server host name (csmysql.cs.cf.ac.uk)-u followed by the account user name (use your MySQL username)-p which tells mysql to prompt for a password.database the name of the database (use your database name).

How do I give permission to MySQL database?

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';

Where is MySQL config file in Linux?

Support NetworkFind the configuration files. By default, you can find the MySQL® configuration files in: /etc/mysql. ... my. cnf configuration file. ... Log files. Log files are the best place to start troubleshooting any program. ... mysqld and mysqld_safe. ... mysqladmin. ... Backups. ... Database engine. ... Related articles.

Why MySQL database is not connecting?

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 find the IP address of my MySQL server in Linux?

SELECT SUBSTRING_INDEX(USER(), '@', -1) AS ip, @@hostname as hostname, @@port as port, DATABASE() as current_database; SELECT * FROM information_schema. GLOBAL_VARIABLES where VARIABLE_NAME like 'hostname'; SELECT host FROM information_schema. processlist WHERE ID=connection_id();

How do I connect to MySQL server?

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 MySQL from terminal?

1 AnswerMake sure you have created MySQL connection correctly.Open command line from search then type cd \Once you reached the bin directory then type mysql -u yourUserName -p (apply this to connect to MySQL )

How do you connect to a database in Linux?

In order to access your MySQL database, please follow these steps:Log into your Linux web server via Secure Shell.Open the MySQL client program on the server in the /usr/bin directory.Type in the following syntax to access your database: $ mysql -h {hostname} -u username -p {databasename} Password: {your password}

How do I access MySQL in Ubuntu terminal?

Start the mysql shellAt the command prompt, run the following command to launch the mysql shell and enter it as the root user: /usr/bin/mysql -u root -p.When you're prompted for a password, enter the one that you set at installation time, or if you haven't set one, press Enter to submit no password.

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 create a new database in MySQL?

Open the MySQL Workbench as an administrator (Right-click, Run as Admin). Click on File>Create Schema to create the database schema. Enter a name for the schema and click Apply. In the Apply SQL Script to Database window, click Apply to run the SQL command that creates the schema.

How do I create a new user in MariaDB?

To create a new MariaDB user, type the following command: CREATE USER 'user1'@localhost IDENTIFIED BY 'password1'; In this case, we use the 'localhost' host-name and not the server's IP. This practice is commonplace if you plan to SSH in to your server, or when using the local client to connect to a local MySQL server.

What is flush privileges in MySQL?

Flush privileges. mysql> FLUSH PRIVILEGES; when we grant some privileges for a user, running the command flush privileges will reloads the grant tables in the mysql database enabling the changes to take effect without reloading or restarting mysql service.

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 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.

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.

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:

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:

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:

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.

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...

Can a user access MySQL from a remote machine?

With the appropriate credentials, a user originating from the specified IP address can now access your MySQL server from a remote 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.

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.

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.

Where is my.ini file?

If it's a Windows system, you can find it in the MySQL installation directory, usually something like C:Program FilesMySQLMySQL Server 5.5 and the filename will be my.ini.

Do you have to add privileges for non localhost?

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

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

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 *.

How to find MySQL configuration file?

On your database server, as a user with root privileges, open your MySQL configuration file.To locate it, enter the following command: mysql --help The location displays similar to the following: Default options are read from the following files in the given order: /etc/my.cnf /etc/mysql/my.cnf /usr/etc/my.cnf ~/.my.cnf On Ubuntu 16, the path is typically /etc/mysql/mysql.conf.d/mysqld.cnf.

What to do if MySQL fails to start?

If MySQL fails to start, look in syslog for the source of the issue. Resolve the issue using MySQL documentation or another authoritative source.

Can you configure a database connection to a load balancer?

Typically, you configure a database connection to the database load balancer; however, database clustering can be complex and configuring it is up to you. For more information, see MySQL documentation.

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