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Windows Server 2019 — KB5065507 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5065507 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5065507 • MSRC update-guide entry Related CVEs: CVE-2025-54918 CVE-2025-55226 CVE-2025-53799 CVE-2025-53797 CVE-2025-53798 CVE-2025-54095 CVE-2025-54096 CVE-2025-54097  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Improper authentication in Windows NTLM […]

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Common Problems 113956

RHEL 10 Chronyd Not Synchronizing Time

  • August 18, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 18 August 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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Common Problems 119640

Debian 13 sudo Access Lost After Group or PAM Changes

  • August 18, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 18 August 2025 📖 ~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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openSUSE Leap 15.6 — perl-Crypt-OpenSSL-RSA — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — perl-Crypt-OpenSSL-RSA — vulnerability — patch and remediation guide

  • August 18, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:01884-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-2467 Upstream summary: A timing-based side-channel flaw exists in the perl-Crypt-OpenSSL-RSA package, which could be sufficient to recover plaintext across a network in a […]

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How to Configure Database Backups with Automysqlbackup on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Database Backups with Automysqlbackup on Debian 13

  • August 18, 2025
  • Linux
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Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up configure database backups with automysqlbackup on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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Common Problems 124138

Oracle Linux 10 – subscription-manager reports system not registered and repos unavailable – Fix & Prevention

  • August 17, 2025
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 17 August 2025 Affected versions: Oracle Linux 10 📖 ~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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NetBSD 10.0 — xulrunner31 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — xulrunner31 — vulnerability — patch and remediation guide

  • August 17, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged xulrunner31>=31<31.5 for vulnerability class 'multiple-vulnerabilities'. Reference: https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr31.5 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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NetBSD 10.0 — upx — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — upx — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • August 17, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-14296 CVE-2019-14295 CVE-2019-20021 CVE-2019-20805 CVE-2020-24119 CVE-2020-27790 CVE-2023-23456 CVE-2021-43316  +12 more Upstream summary: pkgsrc audit-packages flagged upx-[0-9]* for vulnerability class 'buffer-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-14296 Table of contents Symptom & Impact Environment […]

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How to Configure Samba on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure Samba on Oracle Linux 10

Introduction Setting up configure samba on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Samba on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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