Kernel Drivers

How to Install Jenkins on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install Jenkins on FreeBSD 14

Introduction How to Install Jenkins on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 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 filtering, and […]

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Amazon Linux 2 — kernel-livepatch-4.14.344-262.563 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.344-262.563 — vulnerability — 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-2024-182 Related CVEs: CVE-2024-27020 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() (CVE-2024-27020) Table of contents Symptom & Impact […]

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How to Enable Brotli Compression in Nginx on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Enable Brotli Compression in Nginx on FreeBSD 14

Introduction How to Enable Brotli Compression in Nginx on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 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 […]

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Common Problems 116509

Ubuntu 24.04 LTS Missing LUKS Unlock Prompt During Boot

🟡 Medium   ⏱ 5–30 min  Last verified: 27 October 2024 📖 ~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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NetBSD 9.4 — xenkernel415 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xenkernel415 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-26362 CVE-2022-26363 CVE-2022-26364 CVE-2022-26356 CVE-2022-33748 CVE-2021-28692 CVE-2021-28700 CVE-2021-28699  +12 more Upstream summary: pkgsrc audit-packages flagged xenkernel415<4.15.2nb2 for vulnerability class 'privilege-escalation'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-26362 Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2024-10274)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 October 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-10274 Related CVEs: CVE-2024-42244 CVE-2024-50226 CVE-2024-41009 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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NetBSD 9.4 — xenkernel411 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xenkernel411 — multiple vulnerabilities (20 CVEs) — 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-2020-28368 CVE-2022-26356 CVE-2018-18883 CVE-2020-25595 CVE-2020-25596 CVE-2020-25597 CVE-2020-25598 CVE-2020-25599  +12 more Upstream summary: pkgsrc audit-packages flagged xenkernel411<4.11.4nb4 for vulnerability class 'side-channel'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-28368 Table of contents Symptom & Impact Environment […]

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

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2025-1266)

🟠 High   ⏱ 15–60 min  Last verified: 24 October 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-1266 Related CVEs: CVE-2024-53104 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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Amazon Linux 2 — kernel-livepatch-5.10.218-208.862 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.218-208.862 — multiple vulnerabilities (4 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-2024-186 Related CVEs: CVE-2022-48666 CVE-2024-41090 CVE-2024-41091 CVE-2024-39480 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix a use-after-free (CVE-2022-48666) kernel: virtio-net: tap: mlx5_core short […]

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How to Configure Unattended Upgrades on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure Unattended Upgrades on Ubuntu 24.04

unattended-upgrades automatically downloads and installs security updates so your Ubuntu 24.04 LTS server stays protected without manual intervention. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges An email address for notifications (optional) Step 1 – Install unattended-upgrades Install or confirm the package is present: sudo apt […]

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