Kernel Drivers

How to Configure MongoDB Authentication on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure MongoDB Authentication on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure mongodb authentication both straightforward and auditable. This tutorial covers the complete procedure for how to Configure MongoDB Authentication on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites You will need: […]

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Common Problems 115923

Wi-Fi Missing After Install on Ubuntu 26.04 LTS

🟠 High   ⏱ 5–30 min  Last verified: 25 June 2026 Affected versions: 26.04 📖 ~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 […]

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CentOS Stream 10 — kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 June 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:A010 Related CVEs: CVE-2026-46300 CVE-2026-46333 CVE-2026-43284 CVE-2026-23270 CVE-2026-31402 CVE-2026-31419 CVE-2026-31431 CVE-2025-39766  +12 more Upstream summary: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): […]

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How to Configure GELI Disk Encryption on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure GELI Disk Encryption on FreeBSD 15

Introduction How to Configure GELI Disk Encryption on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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

Oracle Linux 10 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-28040)

🟠 High   ⏱ 15–60 min  Last verified: 24 June 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-28040 Related CVEs: CVE-2025-22117 CVE-2025-38105 CVE-2025-38678 CVE-2025-40001 CVE-2025-40018 CVE-2025-40019 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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

Oracle Linux 10 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50006)

🟠 High   ⏱ 15–60 min  Last verified: 24 June 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50006 Related CVEs: CVE-2025-22121 CVE-2025-23129 CVE-2025-37860 CVE-2025-38643 CVE-2025-38678 CVE-2025-39981 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure Apache2 Virtual Hosts on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Apache2 Virtual Hosts on FreeBSD 15

Introduction How to Configure Apache2 Virtual Hosts on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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Common Problems 116111

Ubuntu 26.04 LTS – Secure Boot blocks third-party kernel module – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 June 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 116126

CUPS Printing Stops After Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 23 June 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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Amazon Linux 2 — kernel-livepatch-5.10.240-238.955 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.240-238.955 — multiple vulnerabilities (8 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-2025-281 Related CVEs: CVE-2022-49935 CVE-2022-50500 CVE-2023-53530 CVE-2025-38527 CVE-2025-39677 CVE-2025-39691 CVE-2025-39730 CVE-2025-39923 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: dma-buf/dma-resv: check if the new fence is […]

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