Logging Monitoring

Oracle Linux 8 — krb5 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — krb5 — vulnerability — patch and remediation guide (ELSA-2024-3268)

🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3268 Related CVEs: CVE-2024-26458 CVE-2024-26461 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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openSUSE Leap 15.6 — ruby2.5-rubygem-actionmailer — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — ruby2.5-rubygem-actionmailer — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14471-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-47889 Upstream summary: Action Mailer is a framework for designing email service layers. Starting in version 3.0.0 and prior to versions 6.1.7.9, 7.0.8.5, 7.1.4.1, […]

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NetBSD 9.4 — emacs28-nox11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — emacs28-nox11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-45939 CVE-2024-39331 Upstream summary: pkgsrc audit-packages flagged emacs28-nox11<28.2 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-45939 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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

Oracle Linux 8 — unbound — vulnerability — patch and remediation guide (ELSA-2024-1751)

🟠 High   ⏱ 15–60 min  Last verified: 5 December 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1751 Related CVEs: CVE-2024-1488 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 Microsoft Defender for Endpoint on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Set Up Microsoft Defender for Endpoint on Windows Server 2025

How to Set Up Microsoft Defender for Endpoint on Windows Server 2025 Microsoft Defender for Endpoint (MDE) is Microsoft’s cloud-powered extended detection and response (EDR) platform. While Windows Defender Antivirus provides local antimalware protection, MDE adds a powerful layer of behavioral analysis, threat intelligence correlation, live response capabilities, and centralized investigation through the Microsoft 365 […]

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openSUSE Leap 15.5 — sox — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — sox — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0328-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-40426 CVE-2023-34318 CVE-2023-34432 CVE-2019-13590 CVE-2021-3643 CVE-2022-31650 CVE-2022-31651 CVE-2023-32627  +2 more Upstream summary: A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of […]

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How to Manage Docker Images and Containers on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Manage Docker Images and Containers on Ubuntu 24.04

Understanding how to manage Docker images and containers is fundamental to working with Docker. This guide covers the essential commands for pulling, building, running, inspecting, and cleaning up Docker images and containers on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Docker Engine installed A user in the […]

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How to Configure Nginx Rate Limiting on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure Nginx Rate Limiting on FreeBSD 14

Introduction This guide explains how to Configure Nginx Rate Limiting on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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NetBSD 10.0 — ruby-addressable — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ruby-addressable — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-32740 Upstream summary: pkgsrc audit-packages flagged ruby-addressable<2.8.0 for vulnerability class 'cross-site-scripting'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-32740 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 14 — distcc — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — distcc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 December 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: distcc — incorrect parsing of IP access control rules Related CVEs: CVE-2004-0601 Upstream summary: Fix bug that might cause IP-based access control rules not to be interpreted correctly on 64-bit […]

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