Logging Monitoring

Windows Server 2016 — KB5022845 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5022845 — 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 KB5022845 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799  +12 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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IBM AIX 7.3 — CVE-2022-22454 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2022-22454 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 19 April 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2022-22454, IBM Support Bulletin CVE: CVE-2022-22454 NVD summary: IBM InfoSphere Information Server 11.7 could allow a locally authenticated attacker to execute arbitrary commands on the system by sending a specially crafted request. […]

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Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7318)

  • April 18, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 18 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7318 Related CVEs: CVE-2022-2585 CVE-2022-30594 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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Alpine Linux edge — ntpsec — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — ntpsec — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • April 18, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.2.2a-r0 📖 ~4 min read  •  Source: Alpine secdb entry — ntpsec 1.2.2a-r0 Related CVEs: CVE-2023-4012 CVE-2021-22212 CVE-2019-6442 CVE-2019-6443 CVE-2019-6444 CVE-2019-6445 Upstream summary: Alpine community repository for vedge ships ntpsec 1.2.2a-r0 which addresses CVE-2023-4012. Table of […]

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Common Problems 117615

Ubuntu 20.04 LTS CIFS Mount Fails with Permission Denied

  • April 18, 2023
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 18 April 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 111689

Windows Server 2022 — Storage Spaces Virtual Disk Shows Degraded with Missing Physical Disk — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 April 2023 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Quick Checks Deep Diagnosis Primary Fix Verification Prevention & Hardening Symptom & Impact A virtual disk enters degraded state after a disk dropout, causing reduced resiliency and slow I/O. […]

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Gentoo Linux — sys-apps/less — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/less — vulnerability — patch and remediation guide

  • April 18, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202310-11 Related CVEs: CVE-2022-46663 Upstream summary: less suffered from a flaw in its terminal escape sequence handling which made its filtering incomplete. Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 12 — py38-configobj — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-configobj — vulnerability — patch and remediation guide

  • April 18, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 18 April 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Configobj — Regular Expression Denial of Service attack Related CVEs: CVE-2023-26112 Upstream summary: [email protected] reports: All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) […]

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How to Monitor Nginx Access Logs with GoAccess on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Monitor Nginx Access Logs with GoAccess on RHEL 9

  • April 18, 2023
  • Linux
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GoAccess is a fast, open-source real-time web log analyzer that runs entirely in the terminal or generates self-contained HTML reports without requiring a separate database or web framework. On RHEL 9, it can parse Nginx access logs in seconds to surface the metrics that matter most — unique visitors, top requested URLs, HTTP response code […]

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