Ubuntu 18.04

Common Problems 117997

Ubuntu 18.04 ext4 Filesystem Mounts Read-Only After I/O Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 19 September 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 117933

Ubuntu 18.04 LTS system runs out of disk space in /var

🟡 Medium   ⏱ 5–30 min  Last verified: 19 September 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 — patch — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — patch — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4071-1 Related CVEs: CVE-2019-13636 CVE-2019-13638 Upstream summary: It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information. (CVE-2019-13636) It was […]

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Einrichtung von SSH-Schlüsseln unter Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Einrichtung von SSH-Schlüsseln unter Ubuntu 18.04

SSH oder Secure Shell ist ein verschlüsseltes Protokoll zur Verwaltung und Kommunikation mit Servern. Wenn Sie mit einem Ubuntu-Server arbeiten, verbringen Sie wahrscheinlich die meiste Zeit in einer Terminalsitzung, die über SSH mit Ihrem Server verbunden ist. In diesem…

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

Ubuntu 18.04 — mesa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4271-1 Related CVEs: CVE-2019-5068 Upstream summary: Tim Brown discovered that Mesa incorrectly handled shared memory permissions. A local attacker could use this issue to obtain and possibly alter sensitive information […]

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How To Upgrade to Ubuntu 18.04 Bionic Beaver — step-by-step Linux tutorial on Progressive Robot

How To Upgrade to Ubuntu 18.04 Bionic Beaver

<$>[warning] Warning: As with almost any upgrade between major releases of an operating system, this process carries an inherent risk of failure, data loss, or broken software configuration. Comprehensive backups and extensive testing are strongly advised. To avoid…

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Cómo instalar y configurar Postfix en Ubuntu 18.04. — step-by-step Linux tutorial on Progressive Robot

Cómo instalar y configurar Postfix en Ubuntu 18.04.

Postfix es un popular agente de transferencia de correo (MTA) de código abierto que puede usarse para dirigir y entregar correo electrónico en un sistema Linux. Se estima que alrededor del 25 % de los servidores de correo público de Internet cuentan con Postfix. En esta…

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