Package Management

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0 📖 ~4 min read  •  Source: Alpine secdb entry — flatbuffers 0 Related CVEs: CVE-2020-35864 Upstream summary: Alpine community repository for vedge ships flatbuffers 0 which addresses CVE-2020-35864. Table of contents Symptom & Impact Environment […]

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How to Install Nginx on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Nginx on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying install nginx on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Nginx on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Oracle Linux 8 — wget — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — wget — vulnerability — patch and remediation guide (ELSA-2019-0983)

🟠 High   ⏱ 15–60 min  Last verified: 24 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-0983 Related CVEs: CVE-2019-5953 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 — java-17-openjdk security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-17-openjdk security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-5726)

🟠 High   ⏱ 15–60 min  Last verified: 23 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5726 Related CVEs: CVE-2022-21541 CVE-2022-21549 CVE-2022-21540 CVE-2022-34169 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Common Problems 117585

Ubuntu 20.04 LTS No Space Left on Device During apt Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 23 November 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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FreeBSD 12 — rubygem-kaminari-core — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-kaminari-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 November 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kaminari — potential XSS vulnerability Related CVEs: CVE-2020-11082 Upstream summary: Kaminari Security Advisories: There was a vulnerability in versions of Kaminari that would allow an attacker to inject arbitrary code […]

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How to Install MongoDB on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install MongoDB on SLES 12

Introduction This tutorial covers How to Install MongoDB 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 refresh && […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 23 November 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7204-1 Related CVEs: CVE-2018-14349 CVE-2018-14350 CVE-2018-14351 CVE-2018-14352 CVE-2018-14353 CVE-2018-14354 CVE-2018-14355 CVE-2018-14356  +12 more Upstream summary: Jeriko One discovered that NeoMutt incorrectly handled certain IMAP and POP3 responses. An attacker could […]

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SLES 15 — grafana-piechart-panel — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — grafana-piechart-panel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 November 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:601-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-13429 Upstream summary: legend.ts in the piechart-panel (aka Pie Chart Panel) plugin before 1.5.0 for Grafana allows XSS via the Values Header (aka legend header) […]

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How to Manage Users and Groups on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Manage Users and Groups on SLES 15

Introduction This tutorial covers How to Manage Users and Groups on SLES 15 on SLES 15. SLES 15 (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 15 system is up to date: zypper […]

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