ubuntu

Common Problems 118068

Ubuntu 18.04 LTS – snap refresh hangs and blocks package operations – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 March 2021 Affected versions: Ubuntu 18.04 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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Common Problems 117446

Ubuntu 20.04 LTS – cloud-init overrides static networking unexpectedly – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 March 2021 Affected versions: Ubuntu 20.04 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 — php-nette — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — php-nette — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5983-1 Related CVEs: CVE-2020-15227 Upstream summary: Cyku Hong discovered that Nette was not properly handling and validating data used for code generation. A remote attacker could possibly use this issue […]

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Ubuntu 18.04 — grilo — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — grilo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5055-1 Related CVEs: CVE-2021-39365 Upstream summary: Michael Catanzaro discovered that grilo incorrectly handled certain TLS certificate verification. An attacker could possibly use this issue to MITM attacks. Table of contents […]

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Common Problems 119102

Ubuntu 14.04 LTS unattended-upgrades repeatedly fails

🟡 Medium   ⏱ 5–30 min  Last verified: 7 March 2021 Affected versions: 14.04 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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Common Problems 118391

Ubuntu 16.04 Wi-Fi disconnects or fails to reconnect

🟡 Medium   ⏱ 5–30 min  Last verified: 7 March 2021 📖 ~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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Установка Git в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Установка Git в Ubuntu 20.04

Системы контроля версий, например Git, необходимы для передовых методов разработки программного обеспечения. Контроль версий помогает отслеживать изменения программного обеспечения на уровне исходного кода. Вы можете отслеживать изменения, возвращаться к предыдущим версиям и…

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Common Problems 118106

Ubuntu 18.04 LTS – Nginx fails to start due to configuration syntax errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 March 2021 Affected versions: Ubuntu 18.04 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 18.04 — shiro — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — shiro — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 March 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6352-1 Related CVEs: CVE-2020-13933 CVE-2020-17510 CVE-2020-11989 CVE-2020-1957 Upstream summary: It was discovered that Apache Shiro incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to bypass […]

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