Systemd Services

Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-6058)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6058 Related CVEs: CVE-2022-34716 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 WireGuard VPN on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up WireGuard VPN on FreeBSD 13 (ON-FREEBSD-13)

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up wireguard vpn on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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FreeBSD 13 — php4-cli — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php4-cli — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2004-0594 CVE-2004-0595 CVE-2004-1019 CVE-2004-1065 CVE-2005-0596 CVE-2006-4481 CVE-2006-4482 CVE-2006-4483  +12 more Upstream summary: The PHP development team reports: Security Enhancements and Fixes in PHP 5.2.2 […]

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FreeBSD 13 — png — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — png — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: png — CWE-122: Heap-based Buffer Overflow Related CVEs: CVE-2004-0421 CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 CVE-2007-2445 CVE-2007-5266 CVE-2007-5267 CVE-2007-5268  +12 more Upstream summary: https://github.com/pnggroup/libpng/security/advisories/GHSA-g8hp-mq4h-rqm3 reports: LIBPNG is a reference library for use in […]

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Oracle Linux 8 — libreoffice security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libreoffice security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-1766)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1766 Related CVEs: CVE-2021-25633 CVE-2021-25634 CVE-2021-25635 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 118499

Ubuntu 16.04 LTS Docker Daemon Fails on overlay2 Metadata

🟠 High   ⏱ 5–30 min  Last verified: 19 July 2021 Affected versions: 16.04 LTS 📖 ~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 Tune AIX for Low-Latency Applications on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Tune AIX for Low-Latency Applications on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to tune aix for low-latency applications on ibm aix 7.1 […]

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How to Configure Traefik Reverse Proxy on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Traefik Reverse Proxy on FreeBSD 12

Introduction This guide explains how to Configure Traefik Reverse Proxy on FreeBSD 12 on FreeBSD 12. 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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AlmaLinux 8 — xmlgraphics-commons — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — xmlgraphics-commons — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:5097 Upstream summary: Eclipse is an integrated development environment (IDE). The metadata for the eclipse:rhel8 module has been updated to remove the following unused profiles: c everything To check whether you have […]

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