Ubuntu 22.04

Common Problems 116942

Ubuntu 22.04 high CPU usage from gnome-shell

🟡 Medium   ⏱ 5–30 min  Last verified: 25 November 2022 📖 ~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 22.04 — libfile-find-rule-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libfile-find-rule-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 November 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7620-1 Related CVEs: CVE-2011-10007 Upstream summary: Kevin Ryde discovered that File::Find::Rule incorrectly handled certain file names. An attacker could possibly use this issue to execute arbitrary code. Table of contents […]

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How To Troubleshoot Issues in Redis — step-by-step Linux tutorial on Progressive Robot

How To Troubleshoot Issues in Redis

Redis comes with several commands that can help with troubleshooting and debugging issues. Because of its nature as an in-memory key-value store, many of these commands focus on memory management, but there are others that are valuable for providing an overview of the state of your Redis server. This tutorial will provide details on how to use some of these commands to help diagnose and resolve issues you may run into as you use Redis.

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Common Problems 116959

Ubuntu 22.04 LTS – cloud-init repeatedly overwrites network settings

🟡 Medium   ⏱ 5–30 min  Last verified: 24 November 2022 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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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Common Problems 117135

Ubuntu 22.04 LTS – Cron jobs stop running due to invalid crontab entry – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 23 November 2022 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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Common Problems 117057

Ubuntu 22.04 sudo Fails in Non-Interactive Jobs with askpass Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 22 November 2022 📖 ~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 116929

Ubuntu 22.04 LTS – apt update fails with temporary failure resolving archive.ubuntu.com

🟠 High   ⏱ 5–30 min  Last verified: 21 November 2022 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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 22.04 — node-moment — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — node-moment — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5559-1 Related CVEs: CVE-2022-24785 CVE-2022-31129 Upstream summary: It was discovered that Moment.js incorrectly handled certain input paths. An attacker could possibly use this issue to cause a loss of integrity […]

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How To Install R on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install R on Ubuntu 22.04

R is a widely used programming language for performing data analysis and statistical computing. It is an increasingly popular and extensible language with an active community. R offers many user-generated packages for specific areas of study, which makes it applicable to many fields.

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Common Problems 116949

Ubuntu 22.04 LTS – SSH service is active but remote login is refused

🟠 High   ⏱ 5–30 min  Last verified: 19 November 2022 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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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