Logging Monitoring

How to Configure Multipath I/O on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Multipath I/O on Debian 12

Introduction Deploying configure multipath i/o on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]

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Ubuntu 22.04 — godot — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — godot — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 July 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7579-1 Related CVEs: CVE-2019-2126 CVE-2021-26826 CVE-2021-26825 Upstream summary: It was discovered that the Godot Engine did not properly handle certain malformed WebM media files. If the Godot Engine opened a […]

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SLES 12 — gawk — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — gawk — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2768-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-4156 Upstream summary: A heap out-of-bounds read flaw was found in builtin.c in the gawk package. This issue may lead to a crash and could […]

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Oracle Linux 9 — gstreamer1-plugins-base — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gstreamer1-plugins-base — vulnerability — patch and remediation guide (ELSA-2024-2302)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2302 Related CVEs: CVE-2023-37328 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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NetBSD 9.4 — gmp — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — gmp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-43618 Upstream summary: pkgsrc audit-packages flagged gmp<6.2.1nb1 for vulnerability class 'integer-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-43618 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Oracle Linux 9 — java-17-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-17-openjdk — vulnerability — patch and remediation guide (ELSA-2022-1729)

🟠 High   ⏱ 15–60 min  Last verified: 30 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1729 Related CVEs: CVE-2022-21449 CVE-2022-21434 CVE-2022-21476 CVE-2022-21426 CVE-2022-21496 CVE-2022-21443 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 115553

RHEL 7 – SSH Login Blocked by firewalld Zone Assignment

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 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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Oracle Linux 9 — lldpd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — lldpd — vulnerability — patch and remediation guide (ELSA-2024-9158)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-9158 Related CVEs: CVE-2023-41910 CVE-2021-43612 CVE-2020-27827 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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Common Problems 111832

Windows Server 2022 — AD reporting jobs time out on large group membership queries — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 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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How to Configure Failover Clustering on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Failover Clustering on Windows Server 2022

How to Configure Failover Clustering on Windows Server 2022 Windows Server Failover Clustering (WSFC) provides high availability for server roles and applications by grouping multiple servers (nodes) into a cluster. If one node fails, the cluster automatically moves the workload (a clustered role) to another healthy node — a process called failover. Windows Server 2022 […]

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