Cómo instalar MariaDB en CentOS 8
MariaDB es un sistema de administración de bases de datos de código abierto, que comúnmente se usa como alternativa para la parte de MySQL de la popular pila…
Database Normalization: 1NF, 2NF, 3NF & BCNF Examples
Master database normalization to minimize data redundancy and enhance integrity. Explore 1NF, 2NF, 3NF, and BCNF through practical examples and actionable SQL guidance.
Angular 5: Upgrading & Summary of New Features
Let’s go over the new additions in Angular 5. Plus, a quick guide with pointers on upgrading your Angular 4 apps to Angular 5.
Debian 11 — tinymux — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2007-1655 CVE-2007-1958 CVE-2007-1959 Upstream summary: Buffer overflow in the fun_ladd function in funmath.cpp in TinyMUX before 20070126 might allow remote attackers to cause a denial of service (crash) […]
How To Format Text in Python 3
In this tutorial, we’ll go over some of the ways we can work with Python strings to make sure that all output text is formatted correctly. Topics we will cover include: quotes, apostrophes, multiple lines, escape characters, and raw strings.
5 Cybersecurity Mistakes That Could Cost Your Small Business Everything
Small businesses suffer more cyberattacks than most owners realize, and the damage from basic security oversights can be irreversible. These are the five most costly cybersecurity mistakes small businesses make and the practical steps to close each gap.
Debian 11 — netris — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2002-1566 CVE-2003-0685 Upstream summary: netris 0.5, and possibly other versions before 0.52, when running with the -w (wait) option, allows remote attackers to cause a denial of service […]
Windows Server 2012 R2 — DHCP NACK storms after VLAN resegmentation create widespread endpoint disconnects — Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: Windows Server 2012 R2 📖 ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related […]
Windows Server 2022 — Helm releases hang in pending-upgrade on Windows nodes — Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
Debian 11 — gnome-desktop3 — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-11460 Upstream summary: An issue was discovered in GNOME gnome-desktop 3.26, 3.28, and 3.30 prior to 3.30.2.2, and 3.32 prior to 3.32.1.1. A compromised thumbnailer may escape the […]
