Operations

Windows Server 2016 — KB5032337 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5032337 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5032337 • MSRC update-guide entry Related CVEs: CVE-2023-36560 CVE-2023-36049 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 Table of contents […]

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Common Problems 111772

Windows Server 2022 — Container security policy blocks valid workload startup — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 April 2023 Affected versions: Windows Server 2022 📖 ~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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Oracle Linux 8 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2024-12069)

🟠 High   ⏱ 15–60 min  Last verified: 1 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12069 Related CVEs: CVE-2023-2162 CVE-2023-4622 CVE-2023-42753 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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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12116)

🟠 High   ⏱ 15–60 min  Last verified: 1 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12116 Related CVEs: CVE-2023-0179 CVE-2022-4139 CVE-2022-45869 CVE-2022-3545 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Windows Server 2016 — KB5028222 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5028222 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5028222 • MSRC update-guide entry Related CVEs: CVE-2023-35365 CVE-2023-35366 CVE-2023-35367 CVE-2023-32057 CVE-2023-35297 CVE-2023-33166 CVE-2023-33167 CVE-2023-33168  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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

Oracle Linux 8 — libpq — vulnerability — patch and remediation guide (ELSA-2023-7016)

🟢 Low   ⏱ 5–15 min  Last verified: 1 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7016 Related CVEs: CVE-2022-41862 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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How to Set Up Grafana Alerting and Notification Channels on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up Grafana Alerting and Notification Channels on RHEL 7

How to Set Up Grafana Alerting and Notification Channels on RHEL 7 Grafana’s alerting system transforms your monitoring dashboards from a passive display into an active early-warning network. When a metric crosses a threshold — CPU saturation, disk exhaustion, an elevated error rate — Grafana fires an alert and routes a notification to whichever channels […]

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Common Problems 124527

Oracle Linux 9 – Common Problem 007 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 31 March 2023 Affected versions: Oracle Linux 9 📖 ~3 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 115132

SELinux Denials Breaking Web Application Access – RHEL 8 Post 030

🟡 Medium   ⏱ 5–30 min  Last verified: 31 March 2023 📖 ~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 111822

Windows Server 2022 — AD monitoring misses failed logon spikes during peak hours — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 31 March 2023 Affected versions: Windows Server 2022 📖 ~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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