ubuntu

Common Problems 118631

Ubuntu 16.04 LTS – kernel module fails due to missing firmware

🟡 Medium   ⏱ 5–30 min  Last verified: 7 August 2021 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

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Como instalar o Docker Compose no Ubuntu 18.04 — step-by-step Docker tutorial on Progressive Robot

Como instalar o Docker Compose no Ubuntu 18.04

O Docker é uma ótima ferramenta para automatizar a implantação de aplicativos Linux dentro de contêineres de software, mas para tirar total vantagem deste potencial, cada componente de um aplicativo deve executar em seu próprio contêiner individual….

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Como adicionar espaço de swap no Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Como adicionar espaço de swap no Ubuntu 20.04

Um das maneiras de se proteger contra erros de memória insuficiente em aplicativos é através da adição de um espaço de swap ao seu servidor. Neste guia, falaremos sobre como adicionar um arquivo swap a um servidor Ubuntu 20.04. <$>[warning] Aviso: embora o swap seja…

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Ubuntu 20.04 — adminer — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — adminer — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 August 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5271-1 Related CVEs: CVE-2020-35572 CVE-2021-21311 CVE-2021-29625 Upstream summary: It was discovered that Adminer did not escape data in the history parameter of the default URI. A remote attacker could possibly […]

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Common Problems 118940

Ubuntu 14.04 LTS – apt update shows NO_PUBKEY signature failures

🟠 High   ⏱ 5–30 min  Last verified: 5 August 2021 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

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Ubuntu 20.04 — whoopsie — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — whoopsie — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 August 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4450-1 Related CVEs: CVE-2020-11937 CVE-2020-12135 CVE-2020-15570 Upstream summary: Seong-Joong Kim discovered that Whoopsie incorrectly handled memory. A local attacker could use this issue to cause Whoopsie to consume memory, resulting […]

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CHAT