Ubuntu 16.04

Common Problems 118548

MySQL service fails to start after package upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 24 July 2019 📖 ~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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Ubuntu 16.04 — jackd2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — jackd2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5656-1 Related CVEs: CVE-2019-13351 Upstream summary: Joseph Yasi discovered that JACK incorrectly handled the closing of a socket in certain conditions. An attacker could potentially use this issue to cause […]

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Ubuntu 16.04 — kde4libs — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — kde4libs — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4100-1 Related CVEs: CVE-2016-6232 CVE-2019-14744 Upstream summary: It was discovered that KConfig and KDE libraries have a vulnerability where an attacker could hide malicious code under desktop and configuration files. […]

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Common Problems 118603

Ubuntu 16.04 LTS – cron jobs stop running after timezone changes – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 18 July 2019 Affected versions: Ubuntu 16.04 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 — patch — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

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

🟡 Medium   ⏱ 10–30 min  Last verified: 18 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4071-1 Related CVEs: CVE-2019-13636 CVE-2019-13638 CVE-2016-10713 CVE-2018-1000156 CVE-2018-6951 Upstream summary: It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information. […]

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Common Problems 118540

Ubuntu 16.04 DNS resolution intermittently fails

🟡 Medium   ⏱ 5–30 min  Last verified: 17 July 2019 📖 ~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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Ubuntu 16.04 — pound — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — pound — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4702-1 Related CVEs: CVE-2016-10711 CVE-2018-21245 Upstream summary: It was discovered that Pound incorrectly handled certain HTTP requests A remote attacker could use it to retrieve some sensitive information. (CVE-2016-10711, CVE-2018-21245) […]

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¿Cómo instalar Nginx en Ubuntu 16.04? — step-by-step Linux tutorial on Progressive Robot

¿Cómo instalar Nginx en Ubuntu 16.04?

Nginx es uno de los servidores web más populares del mundo y es responsable de alojar algunos de los sitios más grandes y de mayor tráfico en Internet. Es más fácil de usar que Apache en la mayoría de los casos y puede usarse como un servidor web o un proxy inverso. En esta…

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