Operations

Ubuntu 20.04 — phpmyadmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — phpmyadmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 July 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4843-1 Related CVEs: CVE-2014-9218 CVE-2016-6609 CVE-2016-6619 CVE-2016-6630 CVE-2016-9849 CVE-2016-9866 CVE-2017-18264 CVE-2017-1000014  +12 more Upstream summary: Javier Nieto and Andres Rojas discovered that phpMyAdmin incorrectly managed input in the form of […]

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Ubuntu 16.04 — libjpeg-turbo — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libjpeg-turbo — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 July 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5553-1 Related CVEs: CVE-2018-11813 CVE-2018-14498 CVE-2020-14152 CVE-2020-17541 CVE-2020-13790 CVE-2018-19664 CVE-2018-20330 CVE-2019-2201  +7 more Upstream summary: It was discovered that libjpeg-turbo was not properly handling EOF characters, which could lead to […]

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Alpine Linux edge — neomutt — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — neomutt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 20211015-r0 📖 ~4 min read  •  Source: Alpine secdb entry — neomutt 20211015-r0 Related CVEs: CVE-2021-32055 Upstream summary: Alpine community repository for vedge ships neomutt 20211015-r0 which addresses CVE-2021-32055. Table of contents Symptom & Impact Environment […]

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Ubuntu 18.04 — aptdaemon — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — aptdaemon — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4664-1 Related CVEs: CVE-2020-16128 CVE-2020-27349 CVE-2020-15703 Upstream summary: Kevin Backhouse discovered that Aptdaemon incorrectly handled certain properties. A local attacker could use this issue to test for the presence of […]

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Ubuntu 18.04 — xdg-utils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — xdg-utils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4649-2 Related CVEs: https://launchpad.net/bugs/1909941 CVE-2020-27748 CVE-2017-18266 Upstream summary: USN-4649-1 fixed vulnerabilities in xdg-utils. That update caused a regression by removing the –attach functionality in thunderbird and others applications. This update […]

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AlmaLinux 8 — stress-ng — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — stress-ng — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1865 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — Limitations of the LVM dm-writecache Caching Method — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Limitations of the LVM dm-writecache Caching Method

🟠 High   ⏱ 5–30 min  Last verified: 3 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 31203340 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 […]

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Common Problems 119027

Apache2 Fails to Start Because Port 80 Is Already in Use on Ubuntu 14.04

🟡 Medium   ⏱ 5–30 min  Last verified: 3 July 2021 📖 ~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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How to Configure Xdebug for PHP on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Xdebug for PHP on SLES 12

Introduction This tutorial covers How to Configure Xdebug for PHP on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper […]

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Common Problems 118122

Ubuntu 18.04 LTS Snap services fail after corrupted snapd state

🟡 Medium   ⏱ 5–30 min  Last verified: 3 July 2021 📖 ~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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