February 2021 - Page 49 of 62

How to Configure Windows Server 2019 ReFS File System — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 ReFS File System

How to Configure Windows Server 2019 ReFS File System Resilient File System (ReFS) is Microsoft’s modern file system designed for maximum reliability, scalability, and data integrity. ReFS uses checksumming for all data and metadata, enabling automatic corruption detection and, when paired with Storage Spaces Mirror resiliency, automatic corruption repair. Windows Server 2019 includes ReFS version […]

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Oracle Linux 8 — Cockpit web console Services page unable to search services by state — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Cockpit web console Services page unable to search services by state

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 30286168 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 […]

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Common Problems 119043

Ubuntu 14.04 LTS MySQL service fails to start

🟡 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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IBM AIX 7.2 — CVE-2021-39033 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-39033 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-39033, IBM Support Bulletin CVE: CVE-2021-39033 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5 and 6.1.0.0 through 6.1.1.0 could allow a remote attacker to obtain sensitive information when a […]

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Common Problems 118056

Ubuntu 18.04 LTS – time sync unstable due to chrony and systemd-timesyncd conflict – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 18.04 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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Ubuntu 16.04 — wkhtmltopdf — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — wkhtmltopdf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6232-1 Related CVEs: CVE-2020-21365 Upstream summary: It was discovered that wkhtmltopdf was not properly enforcing the same-origin policy when processing certain HTML files. If a user or automated system using […]

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Common Problems 115400

YUM Mirror Timeout and Slow Repository Response

🟡 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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