December 2021 - Page 26 of 71

Oracle Linux 8 — nodejs:10 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:10 — vulnerability — patch and remediation guide (ELSA-2021-0735)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0735 Related CVEs: CVE-2021-22884 CVE-2021-22883 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Build Apps Faster With an app platform — step-by-step DevOps tutorial on Progressive Robot

Build Apps Faster With an app platform

Introducing App Platform, a modern PaaS that makes it simpler for you to build, deploy, and scale apps. Plus get best practice tips on user research, hypothesis-driven development, design thinking, and agile/iterative methodologies.

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OAuth 2 Explained: Complete Guide to Authorization Flows & Best Practices (2025–2026) — step-by-step tutorial on Progressive Robot

OAuth 2 Explained: Complete Guide to Authorization Flows & Best Practices (2025–2026)

OAuth 2 is the industry-standard authorization framework that lets third-party apps securely access user data without ever handling passwords. Instead of asking users to share credentials, OAuth 2 delegates authentication to the service provider (like Google, GitHub, or Progressive Robot) and issues limited, revocable tokens that represent specific permissions.

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AlmaLinux 8 — bacula — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — bacula — 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-2019:3504 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 […]

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Oracle Linux 8 — dotnet security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dotnet security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-1259)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1259 Related CVEs: CVE-2019-0820 CVE-2019-0981 CVE-2019-0757 CVE-2019-0980 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Common Problems 114525

RHEL 9: Cockpit Web Console Not Reachable

🟡 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 […]

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How to Set Up CentOS Stream 9 in AWS — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up CentOS Stream 9 in AWS

Introduction This tutorial demonstrates how to Set Up CentOS Stream 9 in AWS on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the default […]

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