Backup Recovery

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

Oracle Linux 8 — rsync — vulnerability — patch and remediation guide (ELSA-2025-0325)

🟠 High   ⏱ 15–60 min  Last verified: 3 June 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-0325 Related CVEs: CVE-2024-12085 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 Install ArgoCD on Kubernetes on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install ArgoCD on Kubernetes on RHEL 9

ArgoCD is a declarative, GitOps-based continuous delivery tool for Kubernetes. In the GitOps model, Git is the single source of truth for both application code and infrastructure configuration — when a developer pushes a change to a Git repository, ArgoCD automatically detects the change and applies it to the Kubernetes cluster, keeping the live cluster […]

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FreeBSD 12 — py312-borgbackup — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py312-borgbackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 May 2024 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Borg (Backup) — flaw in cryptographic authentication scheme in Borg allowed an attacker to fake archives and indirectly cause backup data loss. Related CVEs: CVE-2023-36811 Upstream summary: Thomas Waldmann reports: […]

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Common Problems 114500

NFS Mount Permission Denied on RHEL 9 Client

🟡 Medium   ⏱ 5–30 min  Last verified: 26 May 2024 📖 ~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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FreeBSD 13 — py310-borgbackup — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-borgbackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2024 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Borg (Backup) — flaw in cryptographic authentication scheme in Borg allowed an attacker to fake archives and indirectly cause backup data loss. Related CVEs: CVE-2023-36811 Upstream summary: Thomas Waldmann reports: […]

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Common Problems 114601

RHEL 9 Kernel Panic After Third-Party Driver Installation

🟡 Medium   ⏱ 5–30 min  Last verified: 22 May 2024 📖 ~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 Deploy a Django App with Gunicorn on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Deploy a Django App with Gunicorn on FreeBSD 14

Introduction This guide explains how to Deploy a Django App with Gunicorn 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 […]

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Common Problems 122642

PF NAT Stops Working After Interface Address Change

🟠 High   ⏱ 5–30 min  Last verified: 15 May 2024 Affected versions: FreeBSD 14 📖 ~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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Common Problems 114538

Module Stream Conflicts Block Package Installation

🟡 Medium   ⏱ 5–30 min  Last verified: 14 May 2024 📖 ~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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Common Problems 114490

Podman Image Pull Fails with TLS Certificate Error

🟡 Medium   ⏱ 5–30 min  Last verified: 7 May 2024 📖 ~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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