April 2022 - Page 47 of 70

Common Problems 120471

Debian 11 – NO_PUBKEY and Repository Signature Failures – apt Trust Repair

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 11 📖 ~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 Install and Configure Traefik Reverse Proxy on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Traefik Reverse Proxy on RHEL 8

Traefik is a modern cloud-native reverse proxy and load balancer that can automatically discover services, obtain and renew TLS certificates via Let’s Encrypt, and expose a real-time dashboard — all without restarting when configuration changes. Unlike Nginx or HAProxy, Traefik reads its routing rules from provider backends such as Docker labels, Kubernetes annotations, or plain […]

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AlmaLinux 8 — felix-gogo-shell — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — felix-gogo-shell — 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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FreeBSD 13 — py39-setuptools — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py39-setuptools — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py39-setuptools — denial of service vulnerability Related CVEs: CVE-2022-40897 Upstream summary: SCH227 reports: Python Packaging Authority (PyPA)'s setuptools is a library designed to facilitate packaging Python projects. Setuptools version 65.5.0 […]

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FreeBSD 13 — leafnode — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — leafnode — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: leafnode — denial of service vulnerability Related CVEs: CVE-2002-1661 CVE-2003-0744 CVE-2004-2068 CVE-2005-1453 CVE-2005-1911 Upstream summary: Matthias Andree reports: A vulnerability was found in the fetchnews program (the NNTP client) that […]

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FreeBSD 13 — gnome-screensaver — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — gnome-screensaver — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gnome-screensaver — Multiple monitor hotplug issues Related CVEs: CVE-2010-0414 CVE-2010-0422 Upstream summary: Ray Strode reports: Under certain circumstances it is possible to circumvent the security of screen locking functionality of […]

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How to Set Up GitLab CE on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up GitLab CE on CentOS Stream 9

Introduction This tutorial demonstrates how to Set Up GitLab CE on CentOS Stream 9 on CentOS Stream 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 CentOS Stream 9 system with the […]

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Debian 11 — django-tastypie — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — django-tastypie — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4104 Upstream summary: The from_yaml method in serializers.py in Django Tastypie before 0.9.10 does not properly deserialize YAML data, which allows remote attackers to execute arbitrary Python code […]

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Debian 11 — nvidia-cg-toolkit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nvidia-cg-toolkit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5144 Upstream summary: nvidia-cg-toolkit-installer in nvidia-cg-toolkit 2.0.0015 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/nvidia-cg-toolkit-manifest temporary file. Table of contents Symptom & […]

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