2020 - Page 793 of 806

Common Problems 119126

Ubuntu 14.04 LTS – Postfix mail queue backlog grows uncontrollably – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 14.04 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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Gentoo Linux — media-libs/faad2 — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/faad2 — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202006-17 Related CVEs: CVE-2018-19502 CVE-2018-19503 CVE-2018-19504 CVE-2018-20194 CVE-2018-20195 CVE-2018-20196 CVE-2018-20197 CVE-2018-20198  +11 more Upstream summary: Multiple vulnerabilities have been discovered in FAAD2. Please review the CVE identifiers referenced below for details. Table […]

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Common Problems 116085

Ubuntu 26.04 LTS – MySQL socket errors prevent local app connections – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 26.04 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 Install Prometheus and Grafana on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install Prometheus and Grafana on SLES 12

Introduction This tutorial covers How to Install Prometheus and Grafana 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. Step 1 — Install Prometheus zypper install -y golang-github-prometheus-prometheus Step 2 […]

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openSUSE Tumbleweed — supervisor — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — supervisor — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-12105 Upstream summary: In Supervisor through 4.0.2, an unauthenticated user can read log files or restart a service. Note: The maintainer responded that the affected […]

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Common Problems 115135

RHEL 8 Cockpit Web Console Unreachable on Port 9090 – RHEL 8 Post 124

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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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FreeBSD 12 — linux-c7-libevent — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-c7-libevent — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libevent — multiple vulnerabilities Related CVEs: CVE-2016-10195 CVE-2016-10196 CVE-2016-10197 Upstream summary: Debian Security reports: CVE-2016-10195: The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified […]

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Common Problems 114968

RHEL 8 Podman Containers Cannot Resolve DNS Names

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 113980

RHEL 10 – SELinux AVC denials break custom web application after update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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FreeBSD 12 — silc-client — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — silc-client — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: silc-client — Format string vulnerability Related CVEs: CVE-2009-3051 Upstream summary: SILC changelog reports: An unspecified format string vulnerability exists in silc-client. Table of contents Symptom & Impact Environment & Reproduction […]

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