October 2019 - Page 38 of 69

Oracle Linux 8 — wavpack — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — wavpack — vulnerability — patch and remediation guide (ELSA-2020-1581)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1581 Related CVEs: CVE-2018-19840 CVE-2019-1010315 CVE-2019-1010319 CVE-2018-19841 CVE-2019-11498 CVE-2019-1010317 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Install Prometheus and Grafana on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Prometheus and Grafana on RHEL 9

Prometheus and Grafana are a powerful open-source monitoring stack widely used in production Linux environments. Prometheus collects and stores time-series metrics, while Grafana provides rich dashboards and alerting on top of that data. Together they give you deep visibility into system performance, resource utilization, and application health. This tutorial walks through installing both on RHEL […]

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Common Problems 115994

Ubuntu 26.04 LTS – snap refresh stuck and applications fail to update – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 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 […]

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Common Problems 115568

RHEL 7 service Docker Fails to Start After Kernel Update

🟡 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 […]

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Common Problems 114633

chronyd Not Syncing Time on RHEL 9 edition

🟡 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 Install Elasticsearch on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install Elasticsearch on SLES 12

Introduction This tutorial covers How to Install Elasticsearch on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh && […]

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Common Problems 113465

Windows Server 2012 R2 — DHCP scope exhaustion caused by stale reservations and delayed lease reclamation — Fix & Prevention

🟠 High   ⏱ 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 […]

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Arch Linux — mpv — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — mpv — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201802-7 Related CVEs: CVE-2018-6360 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1:0.27.0-6. Fixed in: 1:0.27.1-1. Group: AVG-605. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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