Operations

Debian 11 — avahi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — avahi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-2288 CVE-2006-2289 CVE-2006-5461 CVE-2006-6870 CVE-2007-3372 CVE-2008-5081 CVE-2009-0758 CVE-2010-2244  +12 more Upstream summary: Avahi before 0.6.10 allows local users to cause a denial of service (mDNS/DNS-SD service disconnect) via […]

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How to Set Up Ansible on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Ansible on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up ansible on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and the […]

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Windows Server 2019 — KB5022836 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5022836 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5022836 • 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 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Ubuntu 22.04 — php-cas — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — php-cas — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 January 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6913-1 Related CVEs: CVE-2022-39369 Upstream summary: Filip Hejsek discovered that phpCAS was using HTTP headers to determine the service URL used to validate tickets. A remote attacker could possibly use […]

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

Oracle Linux 9 — opensc — vulnerability — patch and remediation guide (ELSA-2023-7879)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7879 Related CVEs: CVE-2023-40661 CVE-2023-40660 CVE-2023-4535 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 — pcs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pcs — vulnerability — patch and remediation guide (ELSA-2022-9754)

🟠 High   ⏱ 15–60 min  Last verified: 22 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9754 Related CVEs: CVE-2022-2735 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 Configure Storage Spaces Direct (S2D) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Storage Spaces Direct (S2D) on Windows Server 2022

How to Configure Storage Spaces Direct (S2D) on Windows Server 2022 Storage Spaces Direct (S2D) is Microsoft’s software-defined storage technology built into Windows Server, enabling you to cluster servers with local storage — NVMe, SSDs, and HDDs — into a highly available, scalable storage pool without the need for a shared SAS fabric or SAN. […]

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IBM AIX 7.1 — CVE-2022-34336 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2022-34336 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 21 January 2023 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2022-34336, IBM Support Bulletin CVE: CVE-2022-34336 NVD summary: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in […]

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