Master jq for JSON processing with advanced techniques, AI integration, and performance optimization. Learn to handle large files, stream data, and integrate with modern workflows including Kubernetes, APIs, and machine learning pipelines.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6908-1 Related CVEs: CVE-2019-0221 CVE-2020-9484 CVE-2021-25329 Upstream summary: It was discovered that the Tomcat SSI printenv command echoed user provided data without escaping it. An attacker could possibly use this […]
Node.js es un tiempo de ejecución de JavaScript para programar del lado del servidor. Permite a los desarrolladores crear funcionalidades de backend escalables usando JavaScript, un lenguaje que muchos ya conocen del desarrollo web basado en…
In this tutorial, we will create the Django models that define the fields and behaviors of the Blog application data that we will be storing. These models map the data from your Django application to the database. It’s what Django uses to generate the database tables via their object relational mapping (ORM) API called “models.”
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-0570 Related CVEs: CVE-2020-8112 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
WordPress is a popular CMS (content management system). In this tutorial, you will configure NGINX for various types of WordPress installations, including multisite configurations, rewrite rules and the use of .conf files to apply repeated configurations.
Introduction How to Install Kotlin on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible and production-safe. […]
A service mesh is an infrastructure layer that allows you to manage communication between your application’s microservices. As more developers work with microservices, service meshes have evolved to make that work easier and more effective. In this tutorial, we will discuss how service meshes can streamline and simplify the process of working with common components in a microservice architecture.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-42343 Upstream summary: An issue was discovered in the Dask distributed package before 2021.10.0 for Python. Single machine Dask clusters started with dask.distributed.LocalCluster or dask.distributed.Client […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read • Source: OpenBSD 7.6 errata 001_unbound Errata topic: Security: unbound (All architectures) Issued: October 14, 2024 Related CVEs: CVE-2024-8508 Upstream summary: Querying a maliciously constructed DNS zone could result in degraded performance or denial of service. […]
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