Operations

Windows Server 2016 — KB5026372 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5026372 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5026372 • MSRC update-guide entry Related CVEs: CVE-2023-28283 CVE-2023-24903 CVE-2023-24943 CVE-2023-29325 CVE-2023-28251 CVE-2023-24939 CVE-2023-24900 CVE-2023-24940  +5 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure PostgreSQL High Availability with Patroni on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure PostgreSQL High Availability with Patroni on Oracle Linux 9

Introduction This tutorial demonstrates how to Configure PostgreSQL High Availability with Patroni on Oracle Linux 9 on Oracle Linux 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 9 system […]

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Oracle Linux 9 — python3.9 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.9 — vulnerability — patch and remediation guide (ELSA-2023-5462)

  • February 12, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5462 Related CVEs: CVE-2023-40217 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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Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2022-7023)

  • February 12, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 February 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7023 Related CVEs: CVE-2022-40674 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 — linux-zen — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — linux-zen — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 12, 2023
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202210-4 Related CVEs: CVE-2022-42722 CVE-2022-42721 CVE-2022-42720 CVE-2022-42719 CVE-2022-41674 CVE-2019-17666 CVE-2021-3655 CVE-2021-3612  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 5.1-1. Fixed in: 6.0.1.zen2-1. Group: AVG-2803. Table of contents […]

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Oracle Linux 9 — pcs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — pcs — vulnerability — patch and remediation guide (ELSA-2023-12235)

  • February 12, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12235 Related CVEs: CVE-2023-28154 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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Oracle Linux 9 — xz — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — xz — vulnerability — patch and remediation guide (ELSA-2022-4940)

  • February 12, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4940 Related CVEs: CVE-2022-1271 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 Use PowerShell to Manage Active Directory at Scale on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Use PowerShell to Manage Active Directory at Scale on Windows Server 2022

Introduction to Managing Active Directory at Scale with PowerShell Active Directory environments in enterprise organizations often contain tens of thousands of user accounts, groups, and organizational units. Managing these manually through the GUI is error-prone and impractical. PowerShell’s ActiveDirectory module, installed as part of RSAT (Remote Server Administration Tools), provides a comprehensive set of cmdlets […]

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Oracle Linux 9 — xorg-x11-server — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — xorg-x11-server — security and stability fixes — required update (ELSA-2023-2248)

  • February 11, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2248 Related CVEs: CVE-2022-46343 CVE-2023-0494 CVE-2022-3551 CVE-2022-46341 CVE-2022-46342 CVE-2022-46344 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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IBM AIX 7.3 — CVE-2020-4771 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2020-4771 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 11 February 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2020-4771, IBM Support Bulletin CVE: CVE-2020-4771 NVD summary: IBM Spectrum Protect Operations Center 8.1.0.000 through 8.1.10.and 7.1.0.000 through 7.1.11 could allow a remote attacker to obtain sensitive information, caused by improper authentication […]

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