Logging Monitoring

Common Problems 112491

Windows Server 2019 – Windows container fails to start after host cumulative update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 February 2021 Affected versions: Windows Server 2019 📖 ~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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openSUSE Tumbleweed — qore — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — qore — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2020-13615 Upstream summary: lib/QoreSocket.cpp in Qore before 0.9.4.2 lacks hostname verification for X.509 certificates. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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SLES 12 — file-roller — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — file-roller — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 February 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0032-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36314 CVE-2019-16680 CVE-2020-11736 Upstream summary: fr-archive-libarchive.c in GNOME file-roller through 3.38.0, as used by GNOME Shell and other software, allows Directory Traversal during extraction because […]

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How to Install SaltStack on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install SaltStack on Oracle Linux 8

Introduction How to Install SaltStack on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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SLES 12 — chrony — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — chrony — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 February 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2014-0021 CVE-2020-14367 CVE-2012-4502 CVE-2012-4503 CVE-2016-1567 Upstream summary: Chrony before 1.29.1 has traffic amplification in cmdmon protocol Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2020-0512)

🟠 High   ⏱ 15–60 min  Last verified: 3 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0512 Related CVEs: CVE-2020-6800 CVE-2020-6798 CVE-2020-6796 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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How to Configure Desired State Configuration (DSC) Pull Server on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Desired State Configuration (DSC) Pull Server on Windows Server 2019

What Is PowerShell Desired State Configuration? Desired State Configuration (DSC) is a PowerShell management platform that allows administrators to declaratively define the desired state of servers and continuously enforce that state. Rather than running imperative scripts that might leave servers in inconsistent states, DSC configurations describe what a server should look like—which features are installed, […]

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Oracle Linux 8 — .NET Core on Red Hat Enterprise Linux — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET Core on Red Hat Enterprise Linux — security and stability fixes — required update (ELSA-2019-2731)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-2731 Related CVEs: CVE-2019-1301 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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Common Problems 117497

Ubuntu 20.04 LTS – journal logs fill root filesystem unexpectedly – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 2 February 2021 Affected versions: Ubuntu 20.04 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 115570

NFS Mount Fails During Boot Sequence

🟡 Medium   ⏱ 5–30 min  Last verified: 2 February 2021 📖 ~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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