Troubleshooting

How to Set Up Windows Server 2019 Container Monitoring — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 Container Monitoring

How to Set Up Windows Server 2019 Container Monitoring Monitoring Windows containers running on Windows Server 2019 is essential for ensuring application health, detecting performance bottlenecks, and responding quickly to failures. Unlike Linux container monitoring, Windows container monitoring has some platform-specific considerations and tool differences. This guide covers setting up comprehensive container monitoring using Windows-native […]

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Alpine Linux edge — xapian-core — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — xapian-core — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.4.6-r0 📖 ~4 min read  •  Source: Alpine secdb entry — xapian-core 1.4.6-r0 Related CVEs: CVE-2018-0499 Upstream summary: Alpine main repository for vedge ships xapian-core 1.4.6-r0 which addresses CVE-2018-0499. Table of contents Symptom & Impact Environment […]

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FreeBSD 12 — php71-exif — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php71-exif — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PHP — Multiple vulnerabilities in EXIF module Related CVEs: CVE-2019-11034 CVE-2019-11035 Upstream summary: The PHP project reports: Heap-buffer-overflow in php_ifd_get32s (CVE-2019-11034) Heap-buffer-overflow in exif_iif_add_value (CVE-2019-11035) Table of contents Symptom & […]

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Debian 9 — opendmarc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — opendmarc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 March 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16378 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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Oracle Linux 8 — graphviz — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — graphviz — vulnerability — patch and remediation guide (ELSA-2021-4256)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 March 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4256 Related CVEs: CVE-2020-18032 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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Oracle Linux 8 — ncurses — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ncurses — vulnerability — patch and remediation guide (ELSA-2021-4426)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 March 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4426 Related CVEs: CVE-2019-17594 CVE-2019-17595 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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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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