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Backdoor in wait4(): Linux kernel vulnerability

https://sudonull.com/backdoor-in-wait4-linux-kernel-vulnerability

Analysis of a real backdoor in the Linux kernel from 2003: how an assignment error in wait4() opened root access. Lessons for developers: code review, Git, fuzzing. Study the details of the attack.

Windows Kernel Policy: Only WHCP Drivers from 2026

https://sudonull.com/windows-kernel-policy-only-whcp-drivers-from-2026

Microsoft tightens driver trust in Windows 11 and Server 2025 kernel. Rejection of outdated certificates, audit mode, AppLocker. Details of changes for developers and admins — read and prepare.

OptimaOS on Rust: single kernel for all platforms

https://sudonull.com/optimaos-on-rust-single-kernel-for-all-platforms

Explore OptimaOS architecture — kernel on Rust without forks for desktop, servers and Edge. Separation of mechanisms/policies, Linux ABI, memory safety. Detailed breakdown for developers.

Anticheats: user-mode and kernel-mode limitations

https://sudonull.com/anticheats-user-mode-and-kernel-mode-limitations

Breakdown of anticheat levels, DLL injection detection and DMA. Technical principles for developers. Study the weaknesses and evolution of game protection systems.

SystemRescue 13.0: kernel updates and HiDPI

https://sudonull.com/systemrescue-13-0-kernel-updates-and-hidpi

New features in SystemRescue 13.0: Linux 6.18 LTS, bcachefs 1.37, yq, HiDPI scaling. Ideal for system recovery. Download ISO and test it.

From other projects

How to Take Lecture Notes Correctly: 5 Steps

https://ymaho.com/how-to-take-lecture-notes-correctly-5-steps

Learn to take lecture notes so you remember 50% more. 5 steps: Cornell method, mind maps, and active recall. Start learning more effectively!

From the web

County tax sales, sheriff auctions, and surplus — $1 alerts ...

https://taxsalenearby.com/

Nationwide alerts for county tax sales, tax-defaulted property, sheriff sales, and public surplus auctions across every US county-equivalent. $1 to join, $1 a month. Investor is $ 19 /month for more watches, hot lists, and CSV export.

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https://themississippilink.com/wp-content/uploads/2026/08/2026-Tax-Sale-Parcels-B-1.pdf

DELINQUENT TAX SALE • Notice of Tax Collector’s Sale of Land for Delinquent Taxes, First Judicial District of Hinds County, Mississippi.

Notice of Tax Collector’s Sale of Land for Delinquent Taxes ...

https://jacksonadvocateonline.com/notice-of-tax-collectors-sale-of-land-for-delinquent-taxes-first-judicial-district-of-hinds-county-mississippi/

Aug 14, 2026 · Notice of Tax Collector’s Sale of Land for Delinquent Taxes, First Judicial District of Hinds County, Mississippi.

May 28, 2025 ·

https://sergeantbluffadvocates.com/stories/woodbury-county-2025-legal-notice-delinquent-tax-list-notice-of-tax-sale,49602

May 28, 2025 · WOODBURY COUNTY, IOWA Notice is hereby given that on Monday, the 16th of June, 2025, at 9:00 A.M. on said day the undersigned Treasurer of Woodbury County, Iowa, will as provided in Chapter 446 …

McClain County 2025 Delinquent Tax List - Purcell Register

https://www.purcellregister.com/stories/mcclain-county-2025-delinquent-tax-list,205478

Aug 27, 2026 · Notice is hereby given that, under authority and direction of 68 O.S. § 3101 et seq., the hereinafter described lands, lots, tracts and parcels of real estate, all situated in McClain County, Oklahoma, now has a tax lien for unpaid ad valorem taxes and/or special assessments.

- Tax Collection Application

https://apps.hlssystems.com/Brick/TaxsaleList

NOTICE: Sale of property for non-payment of taxes , assessments and other Municipal liens.

Parcel Details for 1818431017 - propertytax.peoriacounty.gov

https://propertytax.peoriacounty.gov/parcel/view/1818431017/2023

Apr 28, 2026 · Failure to receive a real estate tax bill or receiving it late for any reason does not relieve the taxpayer of penalties accruing if taxes are not paid by their respective due dates. Downloadable Forms.

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