January 2023 - Page 4 of 72

Common Problems 114398

DNF Metadata Download Errors After Adding Extra Repositories

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 — php80-kanboard — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php80-kanboard — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Kanboard — Multiple vulnerabilities Related CVEs: CVE-2023-32685 CVE-2023-33956 CVE-2023-33968 CVE-2023-33969 CVE-2023-33970 Upstream summary: Kanboard is project management software that focuses on the Kanban methodology. The last update includes 4 vulnerabilities: […]

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Debian 11 — xapian-core — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xapian-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-0499 Upstream summary: A cross-site scripting vulnerability in queryparser/termgenerator_internal.cc in Xapian xapian-core before 1.4.6 exists due to incomplete HTML escaping by Xapian::MSet::snippet(). Table of contents Symptom & Impact […]

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Debian 11 — fuse-exfat — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — fuse-exfat — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8026 CVE-2022-29973 Upstream summary: Heap-based buffer overflow in the verify_vbr_checksum function in exfatfsck in exfat-utils before 1.2.1 allows remote attackers to cause a denial of service (infinite loop) […]

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Common Problems 112485

Windows Server 2019 — MSIX package install blocked by AppLocker or GPO publisher policy — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 04 June 2027 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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Ubuntu 18.04 — python-asyncssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-asyncssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7108-2 Related CVEs: CVE-2023-46445 CVE-2023-46446 CVE-2018-7749 Upstream summary: USN-7108-1 fixed vulnerabilities in AysncSSH. This update provides the corresponding update for Ubuntu 18.04 LTS. Original advisory details: Fabian Bäumer, Marcus Brinkmann, […]

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Common Problems 111807

Windows Server 2022 — Hyper-V checkpoint merge stuck for AVHDX chain — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 May 2026 Affected versions: Windows Server 2022 📖 ~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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How to Configure Advanced Data Deduplication on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Advanced Data Deduplication on Windows Server 2016

How to Set Up Data Deduplication on Windows Server 2016 Data Deduplication (Dedup) is a Windows Server 2016 feature that reduces storage consumption by identifying and eliminating duplicate chunks of data across files on a volume. Unlike file-level deduplication, Windows Server Dedup operates at the sub-file, variable block level, which delivers high savings ratios on […]

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Ubuntu 20.04 — yajl — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — yajl — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6233-2 Related CVEs: CVE-2017-16516 CVE-2022-24795 CVE-2023-33460 Upstream summary: USN-6233-1 fixed vulnerabilities in YAJL. This update provides the corresponding updates for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. Original […]

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How To Setup Nginx Server Blocks on Debian 7 — step-by-step Linux tutorial on Progressive Robot

How To Setup Nginx Server Blocks on Debian 7

When used with nginx, “Virtual Hosts” are referred to as “Server Blocks” and allow users to run more than one website/domain off a single server/IP address. The kernel used in this tutorial is Debian 7: it will go over how to set up a new directory/grant permissions/add content/turn on virtual hosting/set up local hosts.

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