Now that you have your web server up and running, it is time to install MySQL. MySQL is a database management system. Basically, it will organize and provide access to databases where your site can store information.
Note : In this case, you do not have to run sudo apt update prior to the command. This is because you recently ran it in the commands above to install Apache. The package index on your computer should already be up-to-date. Enter Y to continue. When the installation is complete, run a simple security script that comes pre-installed with MySQL which will remove some dangerous defaults and lock down access to your database system. Start the interactive script by running:. Note: Enabling this feature is something of a judgment call.
This will cause issues if you use a weak password in conjunction with software which automatically configures MySQL user credentials, such as the Ubuntu packages for phpMyAdmin. It is safe to leave validation disabled, but you should always use strong, unique passwords for database credentials. Keep in mind that if you enter 2 for the strongest level, you will receive errors when attempting to set any password which does not contain numbers, upper and lowercase letters, and special characters, or which is based on common dictionary words.
This is not to be confused with the system root. The database root user is an administrative user with full privileges over the database system. Even though the default authentication method for the MySQL root user dispenses the use of a password, even when one is set , you should define a strong password here as an additional safety measure.
This will remove some anonymous users and the test database, disable remote root logins, and load these new rules so that MySQL immediately respects the changes you have made. This will connect to the MySQL server as the administrative database user root , which is inferred by the use of sudo when running this command.
You should see output like this:. Even though this might look like a security concern at first, it makes the database server more secure because the only users allowed to log in as the root MySQL user are the system users with sudo privileges connecting from the console or through an application running with the same privileges.
Your MySQL server is now installed and secured. PHP is the component of your setup that will process code to display dynamic content. It can run scripts, connect to your MySQL databases to get information, and hand the processed content over to your web server so that it can display the results to your visitors.
Once again, leverage the apt system to install PHP. You can explore these alternative software stacks in greater depth using online resource.
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Next you should read. SysAdmin Web Servers. The LAMP stack consists of open-source software required for web development. Install and configure the LAMP A LAMP stack is a set of open source software used for web application development. Also, the programming language and database management used in developing an application must coincide with what platform to use. Although developers can work with the rest of the stack components on different operating systems, Linux still dominates because of its flexibility and easy configuration options compared to other operating systems.
Apache web server is the most widely used server in the world. It serves more than half of the websites on the Internet. Appache offers extensive support with its well-developed community. Developers choose Apache for its mature and feature-rich ecosystem. It is an open-source relational database management system that stores application data. SQL language works well with a structured business domain. Also, MySQL is robust and proven suitable for running large and complex websites.
It supports SQL and relational tables. By doing so, it enables developers to build dynamic enterprise-level databases. If you want to optimize your application, you can view SQL queries from your code with Prefix. The last layer of the LAMP stack is the programming language.
It allows web applications to run efficiently. The PHP language works with Apache to build dynamic web pages. It needs a programming language such as PHP to pull data out of a database. PHP executed this functionality by simply integrating PHP code into the parts of a page that needs to be dynamic.
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