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Common Problems 118976

Ubuntu 14.04 LTS – filesystem remounts read-only after I/O errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 November 2021 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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AlmaLinux 8 — vala — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — vala — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817  +9 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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How to Mount NFS Shares on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Mount NFS Shares on FreeBSD 13

Introduction How to Mount NFS Shares on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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OpenBSD 7.6 — aplsmc — errata 004_aplsmc — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — aplsmc — errata 004_aplsmc — reliability fix — syspatch and remediation

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 004_aplsmc Errata topic: Reliability: aplsmc (arm64) Issued: October 31, 2024 Upstream summary: Updating Apple Silicon system firmware to the latest version cripples OpenBSD. This disabled the onboard WiFi. Table of contents […]

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Common Problems 117472

Ubuntu 20.04 LTS – initramfs drops to BusyBox with UUID not found – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 5 November 2021 Affected versions: Ubuntu 20.04 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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FreeBSD 13 — anubis — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — anubis — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: GNU Anubis buffer overflows and format string vulnerabilities Related CVEs: CVE-2004-0353 CVE-2004-0354 Upstream summary: Ulf Härnhammar discovered several vulnerabilities in GNU Anubis. Unsafe uses of `sscanf'. The `%s' format specifier […]

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How to Use Windows PowerShell for Server Inventory on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Use Windows PowerShell for Server Inventory on Windows Server 2012 R2

How to Build PowerShell Script Modules on Windows Server 2012 R2 PowerShell script modules are the standard packaging mechanism for distributing reusable functions, workflows, and cmdlets within an organization. A script module is simply a .psm1 file — a PowerShell script that defines functions and controls which of them are exported for use by consumers […]

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AlmaLinux 8 — tpm2-tools — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — tpm2-tools — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4413 Related CVEs: CVE-2021-3565 Upstream summary: The tpm2-tools packages add a set of utilities for management and utilization of Trusted Platform Module (TPM) 2.0 devices from user space. Security Fix(es): * tpm2-tools: […]

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FreeBSD 13 — kde-runtime — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — kde-runtime — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kde-runtime — kdesu: displayed command truncated by unicode string terminator Related CVEs: CVE-2013-7252 CVE-2014-8600 CVE-2016-7787 Upstream summary: Albert Aastals Cid reports: A maliciously crafted command line for kdesu can result […]

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How to Configure DFS Replication for File Server Redundancy on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure DFS Replication for File Server Redundancy on Windows Server 2012 R2

How to Configure DFS Replication for File Server Redundancy on Windows Server 2012 R2 Distributed File System Replication (DFSR) is a built-in Windows Server 2012 R2 technology that provides multi-master, high-efficiency file replication between two or more servers. Unlike earlier FRS-based replication, DFSR uses the Remote Differential Compression (RDC) algorithm to replicate only changed portions […]

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