Troubleshooting

FreeBSD 12 — wavpack — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — wavpack — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 February 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wavpack — integer overflow in pack_utils.c Related CVEs: CVE-2016-10169 CVE-2016-10170 CVE-2016-10171 CVE-2016-10172 CVE-2018-10536 CVE-2018-10537 CVE-2018-10538 CVE-2018-10539  +5 more Upstream summary: The wavpack project reports: src/pack_utils.c – issue #91: fix integer […]

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Arch Linux — sddm — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — sddm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202011-8 Related CVEs: CVE-2020-28049 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 0.18.1-3. Fixed in: 0.19.0-1. Group: AVG-1266. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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How to Configure Distributed File System (DFS) on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Distributed File System (DFS) on Windows Server 2016

How to Configure Distributed File System (DFS) on Windows Server 2016 The Distributed File System (DFS) in Windows Server 2016 provides two complementary technologies: DFS Namespaces and DFS Replication. DFS Namespaces allows you to group shared folders located on different servers into a single, logical namespace, giving users a unified view of file shares regardless […]

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Oracle Linux 8 — pki-core:10.6 and pki-deps:10.6 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pki-core:10.6 and pki-deps:10.6 — security and stability fixes — required update (ELSA-2022-7470)

🟠 High   ⏱ 15–60 min  Last verified: 23 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7470 Related CVEs: CVE-2022-2414 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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Alpine Linux edge — py3-bleach — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-bleach — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.3.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-bleach 3.3.0-r0 Related CVEs: CVE-2021-23980 CVE-2020-6816 CVE-2020-6802 Upstream summary: Alpine community repository for vedge ships py3-bleach 3.3.0-r0 which addresses CVE-2021-23980. Table of contents Symptom & […]

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Common Problems 118422

Ubuntu 16.04 DNS Resolution Fails Intermittently

🟡 Medium   ⏱ 5–30 min  Last verified: 23 February 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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IBM AIX 7.2 — CVE-2020-4365 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2020-4365 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 23 February 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2020-4365, IBM Support Bulletin CVE: CVE-2020-4365 NVD summary: IBM WebSphere Application Server 8.5 is vulnerable to server-side request forgery. By sending a specially crafted request, a remote authenticated attacker could exploit this […]

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

How to Install Nexus Repository on Oracle Linux 8

Introduction Setting up install nexus repository on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Nexus Repository on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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How to Set Up Gitea on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Gitea on Windows Server 2012 R2

How to Set Up Gitea on Windows Server 2012 R2 Gitea is a lightweight, self-hosted Git service written in Go that provides a GitHub-like web interface for managing repositories, issues, pull requests, and CI/CD pipelines. It is an excellent choice for organizations that need an on-premises Git server without the complexity and licensing cost of […]

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