Logging Monitoring

How to Configure AppArmor for Nginx on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure AppArmor for Nginx on Debian 12

Introduction Deploying configure apparmor for nginx 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 You will […]

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Debian 12 — pgpdump — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — pgpdump — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-4021 Upstream summary: The read_binary function in buffer.c in pgpdump before 0.30 allows context-dependent attackers to cause a denial of service (infinite loop and CPU consumption) via crafted […]

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NetBSD 9.4 — gcc50 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — gcc50 — 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-2015-5276 Upstream summary: pkgsrc audit-packages flagged gcc50{,-libs}-[0-9]* for vulnerability class 'insufficiently-random-numbers'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5276 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Ubuntu 22.04 — linux-gcp-5.19 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-gcp-5.19 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6260-1 Related CVEs: CVE-2022-48502 CVE-2023-2640 CVE-2023-3090 CVE-2023-31248 CVE-2023-3141 CVE-2023-32629 CVE-2023-3389 CVE-2023-3390  +5 more Upstream summary: It was discovered that the NTFS file system implementation in the Linux kernel did not […]

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Ubuntu 22.04 — flac — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — flac — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6360-1 Related CVEs: CVE-2020-22219 CVE-2017-6888 CVE-2020-0499 CVE-2021-0561 Upstream summary: It was discovered that FLAC incorrectly handled encoding certain files. A remote attacker could use this issue to cause FLAC to […]

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NetBSD 9.4 — gif2png — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — gif2png — vulnerability — 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-2019-17371 Upstream summary: pkgsrc audit-packages flagged gif2png<2.5.4 for vulnerability class 'remote-system-access'. Reference: http://secunia.com/advisories/42339/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 12 — mupdf — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mupdf — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-5340 CVE-2014-2013 CVE-2016-10246 CVE-2016-10247 CVE-2016-6265 CVE-2016-6525 CVE-2016-8674 CVE-2017-14685  +12 more Upstream summary: SumatraPDF 2.1.1/MuPDF 1.0 allows remote attackers to cause an Integer Overflow in the lex_number() function via […]

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How to Set Up System Center Operations Manager (SCOM) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up System Center Operations Manager (SCOM) on Windows Server 2022

SCOM Architecture and Components System Center Operations Manager (SCOM) is Microsoft’s enterprise monitoring platform, part of the System Center suite. It provides agent-based and agentless monitoring of Windows servers, network devices, Linux systems, and cloud workloads. Understanding the architecture before deployment is essential for sizing hardware correctly and planning for high availability. The core components […]

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Oracle Linux 9 — gstreamer1, gstreamer1-plugins-bad-free, gstreamer1-plugins-ugly-free, and gstreamer1-rtsp-server — vulnerability — patch and remediation… — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gstreamer1, gstreamer1-plugins-bad-free, gstreamer1-plugins-ugly-free, and gstreamer1-rtsp-server — vulnerability — patch a… (ELSA-2025-7178)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-7178 Related CVEs: CVE-2024-4453 CVE-2024-0444 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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NetBSD 9.4 — php71-mbstring — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php71-mbstring — 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-2019-9023 Upstream summary: pkgsrc audit-packages flagged php71-mbstring<7.1.26 for vulnerability class 'heap-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-9023 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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