Como Criar um Servidor de Minecraft no Ubuntu 20.04
O autor selecionou a Tech Education Fund para receber uma doação como parte do programa Write for DOnations. O Minecraft é um jogo de videogame de estilo sandbox muito…
How To Build and Deploy a Hugo Site to an app platform
In this tutorial you’ll use Hugo to build a small static web site and then deploy the site to an app platform.
Debian 9 — spamassassin — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-11805 CVE-2020-1930 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
How To Add a Background Image to the Top Section of Your Webpage With HTML
In this tutorial we’ll learn how to use a
container to structure the top section of our webpage and add a background image. This tutorial is part of the broader tutorial series “How To Build A Website With HTML.”
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3 Tips for Naming Docker Containers
When you create a Docker container, it is assigned a universally unique identifier or UUID. These are essential to avoiding naming conflicts and promoting automation without human intervention. They effectively identify containers to the host and network. However, they take more…
How to Install Kubernetes with kubeadm on RHEL 7
How to Install Kubernetes with kubeadm on RHEL 7 Kubernetes is the industry-standard container orchestration platform, enabling you to automate deployment, scaling, and management of containerized applications across a cluster of machines. On Red Hat Enterprise Linux 7, setting up a production-grade Kubernetes cluster using kubeadm is the recommended approach. This tutorial walks through every […]
Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-1762)
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-1762 Related CVEs: CVE-2022-21698 CVE-2022-27651 CVE-2022-1227 CVE-2022-27649 CVE-2022-27650 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]
Ubuntu 20.04 — crmsh — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6711-1 Related CVEs: CVE-2020-35459 Upstream summary: Vincent Berg discovered that CRM shell incorrectly handled certain commands. An local attacker could possibly use this issue to execute arbitrary code via shell […]
Ubuntu 20.04 snap apps fail to launch
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 📖 ~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 & Cross-Refs References & Further […]
yum SSL certificate validation fails
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 📖 ~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 & Cross-Refs References & Further […]
