2020 - Page 596 of 735

How to Configure Nginx Load Balancing on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Nginx Load Balancing on RHEL 7

How to Configure Nginx Load Balancing on RHEL 7 As web applications grow in traffic, a single backend server eventually becomes a bottleneck. Nginx’s upstream module provides built-in load balancing that distributes incoming requests across multiple backend servers, improving throughput, redundancy, and fault tolerance. Unlike Nginx Plus, the open-source version included in RHEL 7’s EPEL […]

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openSUSE Tumbleweed — lilypond — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — lilypond — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1453-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-17353 CVE-2018-10992 Upstream summary: scm/define-stencil-commands.scm in LilyPond through 2.20.0, and 2.21.x through 2.21.4, when -dsafe is used, lacks restrictions on embedded-ps and embedded-svg, as demonstrated […]

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Oracle Linux 8 — subversion:1.10 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — subversion:1.10 — vulnerability — patch and remediation guide (ELSA-2020-4712)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 March 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4712 Related CVEs: CVE-2018-11782 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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FreeBSD 12 — libde — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libde — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libde256 — multiple vulnerabilities Related CVEs: CVE-2020-21594 CVE-2020-21595 CVE-2020-21596 CVE-2020-21597 CVE-2020-21598 CVE-2020-21599 CVE-2020-21600 CVE-2020-21601  +12 more Upstream summary: Libde265 developer reports: This release fixes the known CVEs below. Many of […]

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Common Problems 114923

RHEL 8 firewalld zone mismatch blocks application traffic

🟡 Medium   ⏱ 5–30 min  Last verified: 9 March 2020 📖 ~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 113037

Windows Server 2016 — Cumulative update fails because required Servicing Stack Update is missing — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 March 2020 Affected versions: Windows Server 2016 📖 ~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 112446

Windows Server 2019 — SQL Browser service port 1434 conflict blocks instance lookup — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 9 March 2020 Affected versions: Windows Server 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 […]

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openSUSE Tumbleweed — libressl — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libressl — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2014-3502 CVE-2014-8176 CVE-2015-5333 CVE-2015-5334 CVE-2018-12434 CVE-2018-8970 Upstream summary: Apache Cordova Android before 3.5.1 allows remote attackers to open and send data to arbitrary applications via a URL with a […]

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