August 2025 - Page 79 of 113

Windows Server 2016 — KB5062619 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5062619 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5062619 • MSRC update-guide entry Related CVEs: CVE-2025-47980 CVE-2025-47981 CVE-2025-55230 CVE-2025-49757 CVE-2025-47971 CVE-2025-47976 CVE-2025-47984 CVE-2025-47985  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Exposure of […]

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How To Protect SSH with Fail2Ban on Rocky Linux 9 — step-by-step Linux tutorial on Progressive Robot

How To Protect SSH with Fail2Ban on Rocky Linux 9

  • August 11, 2025
  • Linux
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Fail2ban is a service that can be run on your server to dynamically block clients that repeatedly fail to authenticate correctly with your services . This can help mitigate the affect of brute force attacks and illegitimate users of your services. In this guide, we’ll demonstrate how to install and configure fail2ban to protect SSH on a Rocky Linux 9 server.

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Oracle Linux 9 — java-11-openjdk security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-11-openjdk security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-5695)

  • August 10, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 August 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5695 Related CVEs: CVE-2022-34169 CVE-2022-21541 CVE-2022-21540 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Common Problems 124130

Oracle Linux 10 – grub kernel parameter change not applied after update – Fix & Prevention

  • August 10, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 10 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 — ghoscript — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ghoscript — vulnerability — patch and remediation guide

  • August 10, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2013-5653 Upstream summary: pkgsrc audit-packages flagged ghoscript<9.20 for vulnerability class 'information-disclosure'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-5653 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 124051

Oracle Linux 10 – New kernel installed but old kernel still boots by default – Fix & Prevention

  • August 10, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 10 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 — libde265 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — libde265 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • August 10, 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-2020-21606 CVE-2020-21602 CVE-2020-21604 CVE-2020-21603 CVE-2020-21601 CVE-2020-21600 CVE-2020-21597 CVE-2020-21599  +12 more Upstream summary: pkgsrc audit-packages flagged libde265<1.0.10 for vulnerability class 'buffer-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-21606 Table of contents Symptom & Impact Environment […]

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How to Add a Sudo User on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Add a Sudo User on CentOS Stream 10

  • August 10, 2025
  • CentOS
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Introduction Setting up add a sudo user on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Add a Sudo User on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to […]

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Common Problems 123999

Oracle Linux 10 – SELinux AVC denials break NGINX reverse proxy after policy update

  • August 10, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 10 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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Common Problems 117588

Ubuntu 20.04 LTS – disk usage spikes from oversized systemd journal logs

  • August 10, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]

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