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Connecting to an Amazon Web Services (AWS) RDS database from your local computer is an essential task to manage and query your data. However, it’s common to make some mistakes in the process. In this tutorial, I will show you how to do it correctly. Preliminary Steps Before starting, make sure you meet the following […]
Author Archives: Karmina Clemente
22
May
May
In this tutorial, you will learn how to deploy a React application on AWS using S3 for static file storage and CloudFront for content distribution. This process includes three basic steps. Deployment Commands 1. Build the application First, make sure your application is production-ready by generating the static files: This command creates a dist/ folder […]
22
May
May
The first thing we have to do is change the router password. Important: set a SECURE password, as I explain in this other blog: LINK RECOMMENDED PASSWORDS The second thing we have to do is replace our encryption with WPA2/PSK After changing the NETWORK key, we must change the name to something like ” ” […]
22
May
May
In this tutorial, I will teach you how to install and use SSH on Linux, we will: Configure your local computer with SSH Configure the remote computer with SSH Check if the SSH port is open Transfer files between computers with SSH To create SSH connections you have to run the following command in the […]
22
May
May
Agenda: What access control is and its transformation Door fastening devices and accessories Identification Technology Standalone controllers and software-based controllers Attendance time software Intercoms and Video Door Phones: New technology via IP Special Solutions: Hotel Software X-Ray Machines Credentialing Metal Detectors Asset Protection Patrol Control Armored Equipment Access controls tell you 3 fundamental things: Who? […]
22
May
May
The difference between the various existing HTTP methods. Many people have this doubt because when developing a REST API, as you choose different routes, you have to decide which HTTP method or verb to use. When developing a REST API, basically you create a web service that relies on the HTTP protocol, which has many […]
22
May
May
In this tutorial, you will learn how to completely delete all tables from your PostgreSQL database and start fresh in a Django project. This process is useful for testing or when you need to clean your database. Commands to delete the entire database 1. Connect to your database Use the following command to connect to […]
DevOps
Tutorial: Deploying an AWS Lambda Function with Dependencies, Environment Variables, and Refresh Token Using the AWS Console
22
May
May
1. Create the function in AWS Lambda Step 1: Access the Lambda console Step 2: Configure the function 2. Create the code and its dependencies We need a deployment package (ZIP file) with our code in lambda_function.py and libraries (e.g., requests). Step 1: Prepare the package locally Notes: 3.- From the folder su-lambda, install the […]
22
May
May
Below is a fairly detailed tutorial (in Spanish) that explains the before (how it used to be done) and the after (the recommended way) of handling data fetching and state updates (whether in Redux or local state) after CRUD operations in React. 1. Context When building applications in React (or with Redux), there is usually […]
DevOps
Missing a Temporary Directory’ Error in WordPress: Causes and Solution on Servers with VestaCP
22
May
May
Below you will find a step-by-step tutorial to fix the “Missing a Temporary Folder” error in WordPress and the issue of not being able to upload images or files. This specific case occurred on a server with VestaCP, but the steps are similar on any hosting with open_basedir configurations and folder permissions. 1. Problem Description […]
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