September 2023 - Page 8 of 72

Common Problems 119975

Debian 12 NO_PUBKEY Repository Signature Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 12 📖 ~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 Mount CIFS Windows Shares on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Mount CIFS Windows Shares on Debian 12

Introduction Deploying mount cifs windows shares on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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NetBSD 9.4 — py-setuptools — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-setuptools — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-40897 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38,39,310,311}-setuptools<65.5.1 for vulnerability class 'denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-40897 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Windows Server 2022 — KB5022291 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5022291 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5022291 • MSRC update-guide entry Related CVEs: CVE-2023-21535 CVE-2023-21546 CVE-2023-21543 CVE-2023-21548 CVE-2023-21551 CVE-2023-21555 CVE-2023-21556 CVE-2023-21561  +12 more Affected components: Windows Server 2022 Windows Server 2022 (Server Core installation) Table of contents Symptom […]

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Windows Server 2022 — KB5019980 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5019980 — security update — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5019980 • MSRC update-guide entry Related CVEs: CVE-2023-21712 Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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NetBSD 9.4 — postgresql11 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — postgresql11 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-32027 Upstream summary: pkgsrc audit-packages flagged postgresql11<11.12 for vulnerability class 'arbitrary-file-write'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-32027 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Windows Server 2022 — KB5028233 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5028233 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5028233 • MSRC update-guide entry Related CVEs: CVE-2023-35352 CVE-2023-35365 CVE-2023-35366 CVE-2023-35367 CVE-2023-32057 CVE-2023-35297 CVE-2023-21756 CVE-2023-33166  +12 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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NetBSD 9.4 — kdeutils4 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — kdeutils4 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged kdeutils4-[0-9]* for vulnerability class 'directory-traversal'. Reference: http://secunia.com/advisories/45378/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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openSUSE Tumbleweed — etcd — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — etcd — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:0003-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-47108 CVE-2023-48795 CVE-2021-28235 CVE-2019-11254 CVE-2018-16886 CVE-2020-15106 Upstream summary: OpenTelemetry-Go Contrib is a collection of third-party packages for OpenTelemetry-Go. Starting in version 0.37.0 and prior to […]

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How to Secure Apache with Let's Encrypt on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Secure Apache with Let’s Encrypt on CentOS Stream 9

Introduction This tutorial demonstrates how to Secure Apache with Let’s Encrypt on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with […]

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