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Common Problems 120491

Debian 11 – GRUB Rescue Prompt After Kernel Update – Restore Bootability

🔴 Critical   ⏱ 5–30 min  Last verified: 27 August 2022 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 Set Up Snapshots with LVM on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Snapshots with LVM on Debian 11

Introduction How to Set Up Snapshots with LVM on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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Debian 11 — tcc — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tcc — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-0635 CVE-2018-20374 CVE-2018-20375 CVE-2018-20376 CVE-2019-12495 CVE-2019-9754 Upstream summary: Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the "i>sizeof(int)" expression to false when i equals -1, which might introduce […]

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Debian 11 — openttd — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — openttd — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3547 CVE-2008-3576 CVE-2008-3577 CVE-2009-4007 CVE-2010-0401 CVE-2010-0402 CVE-2010-0406 CVE-2010-2534  +7 more Upstream summary: Buffer overflow in the server in OpenTTD 0.6.1 and earlier allows remote authenticated users to cause […]

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Debian 11 — apt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — apt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1300 CVE-2009-1358 CVE-2011-1829 CVE-2011-3374 CVE-2011-3634 CVE-2012-0214 CVE-2012-0954 CVE-2012-0961  +12 more Upstream summary: apt 0.7.20 does not check when the date command returns an "invalid date" error, which can […]

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AlmaLinux 8 — eclipse — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — eclipse — 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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Oracle Linux 9 — net-snmp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — net-snmp — vulnerability — patch and remediation guide (ELSA-2024-7260)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 August 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-7260 Related CVEs: CVE-2022-24805 CVE-2022-24806 CVE-2022-24807 CVE-2022-24809 CVE-2022-24810 CVE-2022-24808 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Debian 11 — freeimage — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — freeimage — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0852 CVE-2015-3885 CVE-2016-5684 CVE-2019-12211 CVE-2019-12212 CVE-2019-12213 CVE-2019-12214 CVE-2020-21426  +12 more Upstream summary: Multiple integer underflows in PluginPCX.cpp in FreeImage 3.17.0 and earlier allow remote attackers to cause a […]

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How to Set Up IIS HTTP/2 on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up IIS HTTP/2 on Windows Server 2019

Introduction to IIS HTTP/2 on Windows Server 2019 HTTP/2 is the second major version of the HTTP protocol, standardised in RFC 7540. It introduces multiplexing (multiple concurrent requests over a single TCP connection), header compression (HPACK), server push, and binary framing — all of which significantly reduce latency and page load times compared to HTTP/1.1, […]

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Common Problems 117048

Ubuntu 22.04 LTS – black screen after NVIDIA driver install – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 August 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 […]

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