Troubleshooting

Common Problems 113544

Windows Server 2016 – Cluster-Aware Updating run fails and leaves mixed patch state – Fix & Prevention (FIX-PREVENTION-2)

🟡 Medium   ⏱ 5–30 min  Last verified: 6 September 2020 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 112939

Windows Server 2016 – Storage Replica partnership unhealthy with growing log backlog – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 September 2020 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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How to Configure Container Networking on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Container Networking on SLES 12

Introduction This tutorial covers How to Configure Container Networking 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 112458

Windows Server 2019 — .NET Cumulative Update Fails with 0x80070643 on Patch Night — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 6 September 2020 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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Common Problems 112401

Windows Server 2019 – Hyper-V Replica enters critical state after network interruption – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 September 2020 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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FreeBSD 12 — p11-kit — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — p11-kit — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 September 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p11-kit — Multiple vulnerabilities Related CVEs: CVE-2020-29361 CVE-2020-29362 CVE-2020-29363 Upstream summary: The p11-glue project reports: CVE-2020-29363: Out-of-bounds write in p11_rpc_buffer_get_byte_array_value function A heap-based buffer overflow has been discovered in the […]

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Ubuntu 16.04 — ldns — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — ldns — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 September 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5257-1 Related CVEs: CVE-2020-19860 CVE-2020-19861 CVE-2014-3209 CVE-2017-1000231 CVE-2017-1000232 Upstream summary: It was discovered that ldns incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. […]

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How to Set Up Cron Jobs and Scheduled Tasks on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Cron Jobs and Scheduled Tasks on Debian 9

Introduction This guide explains how to Set Up Cron Jobs and Scheduled Tasks on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 […]

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

Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2020-1688)

🟡 Medium   ⏱ 10–30 min  Last verified: 6 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1688 Related CVEs: CVE-2019-14973 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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Gentoo Linux — net-libs/glib-networking — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-libs/glib-networking — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-50 Related CVEs: CVE-2020-13645 Upstream summary: GTlsClientConnection skips hostname verification of the server’s TLS certificate if the application fails to specify the expected server identity. Table of contents Symptom & Impact Environment […]

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