October 2020 - Page 45 of 69

Oracle Linux 8 — .NET Core 3.1 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET Core 3.1 security and bugfix update (ELSA-2022-6912)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6912 Related CVEs: CVE-2022-41032 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Arch Linux — imagemagick — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — imagemagick — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201903-15 Related CVEs: CVE-2019-9956 CVE-2016-7906 CVE-2016-7799 CVE-2020-13902 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 7.0.8.34-1. Fixed in: 7.0.8.35-1. Group: AVG-931. Table of contents Symptom & Impact Environment & […]

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Common Problems 115620

System Boots to Emergency Target Instead of Multi-User

🟡 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 115389

RHEL 7 yum metadata corruption causing package install failures

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 📖 ~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 Errors & […]

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IBM AIX 7.1 — CVE-2020-4591 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2020-4591 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2020-4591, IBM Support Bulletin CVE: CVE-2020-4591 NVD summary: IBM Spectrum Protect Server 8.1.0.000 through 8.1.10.000 could disclose sensitive information in nondefault settings due to occasionally not encrypting the second chunk of an […]

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Common Problems 114024

RHEL 10 – SSSD Offline and Domain Users Cannot Authenticate – Identity Service Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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How to Configure SSL/TLS with OpenSSL on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL on SLES 15

Introduction This tutorial covers How to Configure SSL/TLS with OpenSSL on SLES 15 on SLES 15. SLES 15 (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 15 system is up to date: zypper […]

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Common Problems 113066

Windows Server 2016 TempDB on System Volume Causing Server-Wide Disk Contention – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2016 📖 ~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 112443

Windows Server 2019 — DHCP failover partnership enters communication interrupted state and lease replication stalls — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2019 📖 ~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 Errors […]

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IBM AIX 7.2 — CVE-2020-4657 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2020-4657 — xss — 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-2020-4657, IBM Support Bulletin CVE: CVE-2020-4657 NVD summary: IBM Sterling B2B Integrator 5.2.0.0 through 6.0.3.2 Standard Edition is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in […]

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