Cuando crea por primera vez un nuevo servidor Ubuntu 20.04, debe realizar algunos pasos de configuración importantes como parte de la configuración básica. Estos pasos aumentarán la seguridad y utilidad de su servidor, y le brindará una base sólida para las siguientes…
Serverless architecture allows backend web services to be implemented on an as-needed basis. Rather than needing to maintain your own server configuration, architecting your software for serverless providers can minimize the overhead involved. Serverless applications are typically deployed from a Git repository into an environment that can scale up or down as needed. This tutorial will cover some best practices for writing an example serverless function.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-0271 Related CVEs: CVE-2019-18408 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Node.js is a popular JavaScript runtime environment that can be used with front-end Javascript libraries to build full-stack applications. In this tutorial, you will set up a local Node.js programming environment for your Windows computer.
Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure openvpn server on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]
In JavaScript development with the React library, asynchronous programming presents unique problems. When you use React functional components for example, asynchronous functions can create infinite loops. In this tutorial, you’ll find out how to avoid asynchronous programming bugs, load data with the useEffect React Hook, and split your code for on-demand lazy loading using React lazy and Suspense.
This tutorial will walk you through the process of creating an automated server provisioning using Ansible, a configuration management tool that provides a complete automation framework and orchestration capabilities. We will focus on the language terminology, syntax and features necessary for creating a simplified example to fully automate the deployment of an Ubuntu 18.04 web server using Apache.
Live-coding demo using Terraform to deploy both an app platform apps and traditional IaaS components that work together.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-0548 Related CVEs: CVE-2020-8287 CVE-2020-7788 CVE-2020-15366 CVE-2020-8116 CVE-2020-7754 CVE-2020-15095 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Many web applications and APIs use a form of authentication to protect resources and restrict their access only to verified users. This guide will walk you through how to implement authentication for an API using Json Web Tokens (JWTs) and Passport, an authentication middleware for Node.
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