![]() Ideally, the MySQL instance should have been operating for at least 24 hours before running the tuner. MySQL Tuner is a Perl script that connects to a running instance of MySQL and provides configuration recommendations based on workload. You’ll now be able to log in again using mysql -u root -p. Then start MySQL: sudo service mysql start You will again be asked to set a root password. Use dpkg to re-run the configuration process that MySQL goes through on first installation. Stop the current MySQL server instance: sudo service mysql stop If you forget your MySQL root password, it can be reset. Use testdb create table customers ( customer_id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, first_name TEXT, last_name TEXT ) In the example below, testdb is the name of the database, testuser is the user, and password is the user’s password. Nowarning (\w) Don't show warnings after every statement.įor server side help, type 'help contents' Warnings (\W) Show warnings after every statement. Might be needed for processing binlog with multi-byte charsets. Takes database name as argument.Ĭharset (\C) Switch to another charset. System (\!) Execute a system shell command. ![]() Status (\s) Get status information from the server. Nopager (\n) Disable pager, print to stdout. NOTE: Takes the rest of the line as new delimiter.Įgo (\G) Send command to mysql server, display result vertically. Optional arguments are db and host.ĭelimiter (\d) Set statement delimiter. Note that all text commands must be first on line and end with ' 'Ĭonnect (\r) Reconnect to the server. You’ll then see: List of all MySQL commands: To generate a list of commands for the MySQL prompt, enter \h. Server version: 5.0.45 Source distribution You’ll then be presented with the MySQL monitor prompt: Welcome to the MySQL monitor. When prompted, enter the root password you assigned when the mysql_secure_installation script was run. To log in to MySQL as the root user: mysql -u root -p The MySQL client is accessed through a terminal. The standard tool for interacting with MySQL is the mysql client, which installs with the mysql-server package. You can read more about the script in the MySQL Reference Manual. It is recommended that you answer yes to these options. You will be given the choice to change the MySQL root password, remove anonymous user accounts, disable root logins outside of localhost, and remove test databases. Run the mysql_secure_installation script to address several security concerns in a default MySQL installation: sudo mysql_secure_installation If you decide to bind MySQL to your public IP, you should implement firewall rules that only allow connections from specific IP addresses. Please reference our MySQL remote access guide for information on connecting to your databases using SSH.Īllowing unrestricted access to MySQL on a public IP is not advised, but you may change the address it listens on by modifying the bind-address parameter in /etc/my.cnf. ![]() MySQL will bind to localhost (127.0.0.1) by default. Choose a strong password and keep it in a safe place for future reference. Install MySQL sudo apt-get install mysql-serverĭuring the installation process, you will be prompted to set a password for the MySQL root user as shown below. The first command should show your short hostname, and the second should show your fully qualified domain name (FQDN) if you have one assigned. ![]() You may also wish to set the timezone, create a limited user account, and harden SSH access. See our Getting Started with Linode and Creating a Compute Instance guides.įollow our Setting Up and Securing a Compute Instance guide to update your system and configure your hostname. If you have not already done so, create a Linode account and Compute Instance. If you’re not familiar with the sudo command, you can check our Users and Groups guide. Commands that require elevated privileges are prefixed with sudo. This guide is written for a non-root user.
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