Logging Monitoring

AlmaLinux 8 — protobuf-c — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — protobuf-c — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:6944 Related CVEs: CVE-2022-48468 Upstream summary: The protobuf-c packages provide C bindings for Google's Protocol Buffers. Security Fix(es): * protobuf-c: unsigned integer overflow in parse_required_member (CVE-2022-48468) For more details about the security […]

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How to Set Up MySQL with SSL on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up MySQL with SSL on Oracle Linux 9

Introduction This tutorial demonstrates how to Set Up MySQL with SSL 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 with […]

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Common Problems 120115

Debian 12 MariaDB Fails Startup Due to InnoDB Issues

🔴 Critical   ⏱ 5–30 min  Last verified: 7 July 2023 Affected versions: Debian 12 📖 ~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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IBM AIX 7.1 — CVE-2023-29260 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2023-29260 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 7 July 2023 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2023-29260, IBM Support Bulletin CVE: CVE-2023-29260 NVD summary: IBM Sterling Connect:Express for UNIX 1.5 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from […]

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

Debian 12 — libmatroska — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8792 Upstream summary: The KaxInternalBlock::ReadData function in libMatroska before 1.4.4 allows context-dependent attackers to obtain sensitive information from process heap memory via crafted EBML lacing, which triggers an […]

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NetBSD 9.4 — py-sip — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-sip — 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 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38,39,310}-sip<5 for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 117589

Ubuntu 20.04 USB device not recognized

🟡 Medium   ⏱ 5–30 min  Last verified: 7 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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How to Set Up a Private Docker Registry on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up a Private Docker Registry on Debian 12

Introduction Deploying set up a private docker registry 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 […]

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FreeBSD 12 — py310-pymatgen — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py310-pymatgen — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 July 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-pymatgen — regular expression denial of service Related CVEs: CVE-2022-42964 Upstream summary: An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the pymatgen PyPI package, when an […]

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