cata – TUTORIALS PAGE

Troubleshooting “Out of Video Memory” Error in Rendering Resources

Encountering the “Out of Video Memory” error can be frustrating, but understanding how to troubleshoot and resolve it is crucial for a smooth rendering experience. In this tutorial, we’ll explore steps to address the issue and prevent it from affecting your rendering tasks.

Zip and Unzip Files and Directories in Linux – Comprehensive Guide for Efficient File Compression

Mastering file compression is a crucial skill for Linux users, enabling efficient storage and transfer of data. In this tutorial, we’ll explore the essential commands for zipping and unzipping files and directories from the command line in a Linux environment.

How to Implement Directory Protection with .htaccess and .htpasswd

.htaccess and .htpasswd are configuration files commonly used on Apache web servers to enhance security and control access to specific directories. In this tutorial, we will explore what .htaccess and .htpasswd are, highlight their differences, and provide a step-by-step guide on how to use them to protect a directory.

Understanding and Using the ANSIBLE_DEBUG Variable

ANSIBLE_DEBUG is an environment variable in Ansible that allows you to control the level of debug output generated during playbook execution. In this tutorial, we will explore the purpose of the ANSIBLE_DEBUG variable, how to set it up, and where to use it effectively.

What is and how to implement a Web Application Firewall (WAF)

A Web Application Firewall (WAF) is a critical component in securing web applications against a variety of cyber threats. In this tutorial, we will delve into what a WAF is, its key features, and provide a step-by-step guide on how to use and configure it. We will also include examples of WAF rules to illustrate how they work.

Discovering Applications on Port 80 and Changing Ports on Windows

Part 1: Discovering Applications on Port 80

1. Using Command Prompt

Open Command Prompt as an administrator. The netstat command with the find option can help identify processes using port 80.

Understanding X-Content-Type-Options and nosniff in HTTP Headers

The X-Content-Type-Options HTTP header is a security feature that helps protect web applications from certain types of attacks, such as MIME-type sniffing. In this tutorial, we’ll explore how to use this header, with a focus on the nosniff directive, along with code examples and discussions on security risks.

Working with iFrame Ancestors in JavaScript: A Comprehensive Guide

An iframe (Inline Frame) is an HTML element that allows you to embed another document within the current HTML document. In this tutorial, we’ll explore how to interact with the parent and top-level documents from within an iframe using JavaScript.

Load Testing APIs with Postman and k6: A Performance Testing Tutorial

Performance testing is a critical aspect of ensuring that your APIs can handle a high volume of traffic without degradation in response times or reliability. In this tutorial, we will explore how to conduct load testing for your APIs using Postman and k6, an open-source load testing tool. We’ll cover everything from setting up the environment to running load tests with extended code examples.

Creating Custom Test Scripts in Postman: A Deep Dive

Postman is a powerful tool for testing APIs, and one of its standout features is the ability to write custom test scripts using JavaScript. These scripts allow you to automate tests, extract data from responses, and perform complex validations. In this deep dive guide, we’ll explore the world of custom test scripts in Postman with extended code examples.