Tiempo de lectura: < 1 minutoReading time: < 1 minute If we install MySQL and forget the root user password, we can recover it using the following steps: First, we start MySQL with sudo from the Linux console: sudo mysql Once inside, to restore the root password, execute the following command: ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'new_password'; Replace ... Read more
Tiempo de lectura: < 1 minutoReading time: < 1 minute In order to use .htaccess on our Apache server, we need to enable the option in the Apache configuration file. To do this, we open the file: sudo vi /etc/apache2/apache2.conf Once it’s open, we need to go to the line that says AllowOverride None and change it to: AllowOverride All ... Read more
Tiempo de lectura: < 1 minutoReading Time: < 1 minute Yes, we have folders to organize our code in the www directory and we don’t want them to appear when accessed through the browser. All you need to do is create a .htaccess file and add the following line: Options -Indexes If the change is not applied, you need to … Read more
Tiempo de lectura: 2 minutosReading time: 2 minutes To do this, we will first design one of the windows where we create a button that, when pressed, will open another window with a different design. Each window or class in IntelliJ must have its corresponding FXML, as shown below: In this case, our main window will be “devcodelight.fxml”, where … Read more
Tiempo de lectura: 2 minutosReading time: 3 minutes One day ago, GitHub released its code assistant Copilot, capable of helping you program in any language. It’s important to note that this Artificial Intelligence (AI) is not capable of programming on its own, but it can assist us in avoiding web searches while programming. It is available for €10/month or … Read more
Tiempo de lectura: 2 minutosReading Time: < 1 minute Following the tutorial on How to Open a Port in Ubuntu (Linux) by Default using IP Tables, we will learn how to close a port in Ubuntu using IP Tables. Ubuntu To check if the port is open, you can use the following website: https://www.yougetsignal.com/tools/open-ports/. Enter your machine’s IP and … Read more
Tiempo de lectura: 2 minutosReading time: 3 minutes We begin by creating the design of the application window, where we need to add a TableView element. We give this element its own ID, in this case, I’ll call it “tablaAplicaciones”, resulting in the window looking like this: Next, in order to display the data in the table, we are … Read more
Tiempo de lectura: 2 minutosReading time: 2 minutes In order to connect to remote servers, we can use the .ssh folder configuration and the config file that Ubuntu and Windows use to create SSH connections. This tool is presented as an alternative to Putty. The first thing we need to do is create our .ssh directory: In Ubuntu, it … Read more
Tiempo de lectura: 2 minutosReading time: 2 minutes Hello, in today’s tutorial, I’m going to show you how to install Ubuntu (WSL2 or WSL) on Windows 10 and 11 to be able to use this distribution within Windows itself. This allows us, among other things, to use Ubuntu’s SSH, install a test environment, or install packages with apt. To … Read more
Tiempo de lectura: < 1 minutoReading Time: < 1 minute A cookie is a “text file” that is stored in the browser and collects various information from a webpage, such as identifying user preferences, displaying relevant content based on searches, and most importantly, remembering user access and credentials. Let’s see how to work with cookies in PHP. CREATE COOKIE: setcookie(name, … Read more
