Deploy Coreflux MQTT Broker with Managed Databases
Deploy Coreflux MQTT broker with PostgreSQL, MongoDB, MySQL, or OpenSearch on the cloud provider for IoT automation
Como Instalar e Configurar o Elasticsearch no Ubuntu 20.04
O Elasticsearch é uma plataforma para pesquisa e análise distribuídos de dados em tempo real. Ele é uma escolha popular devido a sua usabilidade, recursos poderosos e escalabilidade. Este artigo o guiará pela instalação do Elasticsearch,…
Oracle Linux 8 — ruby:2.6 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-2588)
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-2588 Related CVEs: CVE-2019-3881 CVE-2020-25613 CVE-2019-15845 CVE-2019-16201 CVE-2019-16255 CVE-2020-10933 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
AlmaLinux 8 — man-db — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:4470 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Ubuntu 20.04 LTS DPKG Interrupted State Blocks Install
🟡 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 […]
AlmaLinux 8 — icu — vulnerability — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2020:0902 Related CVEs: CVE-2020-10531 Upstream summary: The International Components for Unicode (ICU) library provides robust and full-featured Unicode services. Security Fix(es): * ICU: Integer overflow in UnicodeString::doAppend() (CVE-2020-10531) For more details about […]
Ubuntu 26.04 LTS – Journald disk usage grows uncontrollably – Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 […]
How to Configure Horizontal Pod Autoscaling on Oracle Linux 8
Introduction Setting up configure horizontal pod autoscaling on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Horizontal Pod Autoscaling on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]
LVM Volume Not Activating After Reboot
🟡 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 […]
Gentoo Linux — dev-python/pyyaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202003-45 Related CVEs: CVE-2017-18342 CVE-2020-14343 CVE-2020-1747 Upstream summary: It was found that using yaml.load() API on untrusted input could lead to arbitrary code execution. Table of contents Symptom & Impact Environment & […]
