Ubuntu 16.04

Common Problems 118573

Ubuntu 16.04 LTS – systemd service enters restart loop – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 November 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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How to Manage Logs with Graylog 2 on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Manage Logs with Graylog 2 on Ubuntu 16.04

Graylog is a powerful open source log management platform. It aggregates and extracts important data from server logs, which are often sent using the syslog protocol. It also allows you to search and visualize the logs in a web interface. In this…

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

Ubuntu 16.04 — gnome-shell — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7052-1 Related CVEs: CVE-2017-8288 CVE-2019-3820 Upstream summary: It was discovered that GNOME Shell mishandled extensions that fail to reload, possibly leading to extensions staying enabled on the lock screen. An […]

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How to Build Android ROMs on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Build Android ROMs on Ubuntu 16.04

Android is the most popular operating system in the world today. Hundreds of different original equipment manufacturers, or OEM, choose to install it on their devices because it is free, open-source, and has a large ecosystem of apps and services…

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Ubuntu 16.04 — cflow — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — cflow — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5375-1 Related CVEs: CVE-2019-16165 Upstream summary: It was discovered that GNU cflow was incorrectly handling memory cleanup operations at the end of a compilation module. An attacker could possibly use […]

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Common Problems 118562

Ubuntu 16.04 Nginx Returns 502 Bad Gateway with PHP-FPM

🟡 Medium   ⏱ 5–30 min  Last verified: 6 November 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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Common Problems 118601

Ubuntu 16.04 Locale Warnings During Package Installation

🟡 Medium   ⏱ 5–30 min  Last verified: 4 November 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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Common Problems 118555

High Swap Usage and OOM Killer Events

🟡 Medium   ⏱ 5–30 min  Last verified: 3 November 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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