Ubuntu 18.04

Common Problems 118075

Ubuntu 18.04 LTS – Python pip install fails due to outdated certificates

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 2019 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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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Cómo configurar las llaves SSH en Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Cómo configurar las llaves SSH en Ubuntu 18.04

SSH, o blindaje seguro (secure shell) es un protocolo encriptado para administrar y comunicarse con servidores. Al trabajar con servidores Ubuntu, generalmente pasarás la mayor parte del tiempo conectado mediante SSH desde una terminal a tu servidor. En esta guía, nos…

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Common Problems 118113

Sudo: Unable to Resolve Hostname

🟡 Medium   ⏱ 5–30 min  Last verified: 26 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 18.04 — hibagent — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — hibagent — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 July 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6493-2 Related CVEs: https://launchpad.net/bugs/2043739 Upstream summary: USN-6493-1 fixed a vulnerability in hibagent. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: On […]

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Ubuntu 18.04 — iproute2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — iproute2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 July 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4357-1 Related CVEs: CVE-2019-20795 Upstream summary: It was discovered that IPRoute incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. Table of contents Symptom […]

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Common Problems 118057

Ubuntu 18.04 Nginx Fails to Start Due to Port 80 Conflict

🟡 Medium   ⏱ 5–30 min  Last verified: 22 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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Common Problems 118052

Ubuntu 18.04 LTS OpenSSL updates break legacy TLS clients

🟡 Medium   ⏱ 5–30 min  Last verified: 22 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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Common Problems 118009

Ubuntu 18.04 LTS GPG Key Expired for apt Repository

🟡 Medium   ⏱ 5–30 min  Last verified: 19 July 2019 Affected versions: 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 117954

Ubuntu 18.04 high CPU usage from background indexing

🟡 Medium   ⏱ 5–30 min  Last verified: 18 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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