ubuntu

Common Problems 117464

Ubuntu 20.04 LTS GRUB Installation Failed During Kernel Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 15 November 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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Common Problems 116935

Ubuntu 22.04 LTS – UFW blocks required inbound ports – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 November 2023 Affected versions: Ubuntu 22.04 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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Ubuntu 16.04 — vips — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — vips — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 November 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6437-1 Related CVEs: CVE-2018-7998 CVE-2019-6976 CVE-2020-20739 CVE-2021-27847 CVE-2023-40032 Upstream summary: Ziqiang Gu discovered that VIPS could be made to dereference a NULL pointer. If a user or automated system were […]

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Ubuntu 14.04 — configobj — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — configobj — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 November 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7040-2 Related CVEs: CVE-2023-26112 Upstream summary: USN-7040-1 fixed a vulnerability in ConfigObj. This update provides the corresponding update for Ubuntu 14.04 LTS. Original advisory details: It was discovered that ConfigObj […]

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Como Instalar e Usar o Docker no Ubuntu 16.04 — step-by-step Docker tutorial on Progressive Robot

Como Instalar e Usar o Docker no Ubuntu 16.04

O Docker é uma aplicação que torna simples e fácil executar processos de aplicação em um contêiner, que é como uma máquina virtual, apenas mais portátil, mais amigável, e mais dependente do sistema operacional do host. Para uma introdução detalhada aos diferentes componentes do…

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Common Problems 117001

Ubuntu 22.04 LTS – /boot full prevents kernel updates – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 November 2023 Affected versions: Ubuntu 22.04 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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