chris

How to Install Maven on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Maven on RHEL 10

Introduction This tutorial demonstrates how to Install Maven on RHEL 10 on RHEL 10. 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 RHEL 10 system with the default AppStream repositories enabled. Prerequisites […]

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Oracle Linux 10 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — kernel — vulnerability — patch and remediation guide (ELSA-2025-16904)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 September 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-16904 Related CVEs: CVE-2025-38527 CVE-2025-39694 CVE-2025-38396 CVE-2025-39682 CVE-2025-39698 CVE-2025-38523 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Alpine Linux 3.20 — libvterm — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — libvterm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.1.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libvterm 0.1.4-r0 Related CVEs: CVE-2018-20786 Upstream summary: Alpine community repository for vv3.20 ships libvterm 0.1.4-r0 which addresses CVE-2018-20786. Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2025-10246)

🟠 High   ⏱ 15–60 min  Last verified: 20 September 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-10246 Related CVEs: CVE-2025-5986 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 8 — tomcat — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — tomcat — vulnerability — patch and remediation guide (ELSA-2025-23048)

🟠 High   ⏱ 15–60 min  Last verified: 20 September 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-23048 Related CVEs: CVE-2025-31651 CVE-2025-55752 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 111156

Windows Server 2025 — Windows Server 2025 Feature Update fails at 97% with 0x800704C7 error — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 September 2025 Affected versions: Windows Server 2025 📖 ~2 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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openSUSE Leap 15.6 — python3-scikit-learn — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — python3-scikit-learn — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:2029-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-5206 Upstream summary: A sensitive data leakage vulnerability was identified in scikit-learn's TfidfVectorizer, specifically in versions up to and including 1.4.1.post1, which was fixed […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50134)

🟠 High   ⏱ 15–60 min  Last verified: 20 September 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50134 Related CVEs: CVE-2025-40215 CVE-2025-40256 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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How to Install Git on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Git on Debian 13

Introduction How to Install Git on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This tutorial […]

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Amazon Linux 2 — kernel-livepatch-4.14.355-277.643 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.355-277.643 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2025-244 Related CVEs: CVE-2023-53137 CVE-2025-21811 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: ext4: Fix possible corruption when moving a directory (CVE-2023-53137) Table of contents Symptom […]

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