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Category Archives: Technical

Realtek 802.11ac USB Wi-Fi Linux Driver Installation

Posted on March 1, 2020February 22, 2023 by Kuan-Yi Li
If you’re using your USB device in a virtual machine, see also Pitfalls Using USB Devices in Virtual Machines.

Target Devices

Adapters with chipset: RTL8811AU, RTL8812AU, RTL8814AU.

Note: Kali currently uses a separate driver for RTL8814AU.

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MediaTek 802.11ac USB Wi-Fi Linux Driver Installation

Posted on March 1, 2020March 31, 2022 by Kuan-Yi Li
If you’re using your USB device in a virtual machine, see also Pitfalls Using USB Devices in Virtual Machines.

Target Devices

Adapters with chipset: MT7610U, MT7612U.

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Pitfalls Using USB Devices in Virtual Machines

Posted on February 29, 2020March 16, 2020 by Kuan-Yi Li

Not all hypervisor, USB controller, USB device are created the same….

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Semantics, Ontology and Data Modeling

Posted on January 1, 2020March 16, 2020 by Kuan-Yi Li

Some references on how to structure information.

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遊戲有很多種玩法

Posted on December 15, 2019March 16, 2020 by Kuan-Yi Li

賽局理論是一個有趣又深邃的領域,要有系統地講大概會是長篇大論,這邊只零碎地列一些參考資料跟雜感。

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Board Extension Socket/Header Standards

Posted on August 25, 2019July 18, 2020 by Kuan-Yi Li

List of possible standards to follow, towards a more extensible board design.

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Adjusting Scaling Factor for GNOME/GDM

Posted on February 26, 2019April 1, 2021 by Kuan-Yi Li

Theoretically, display server should be able to derive a proper DPI setting from EDID, but in reality this could fail at times. (eg. OS running in a VM.) In order to have things readable on HiDPI displays, we may have to adjust scaling factor manually.

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LinkIt 7688 刷原版 OpenWrt

Posted on December 7, 2018April 1, 2021 by Kuan-Yi Li

LinkIt 7688 MediaTek 官方已經好久沒出韌體更新了,不過發現上游 OpenWrt 有直接出。非常好,這樣既擺脫了 MediaTek 慘不忍睹的軟體品質又可以少產生點電子垃圾。

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跨平台排版解決方案雜記

Posted on November 23, 2018July 19, 2020 by Kuan-Yi Li

M$ Word 跨平台、跨版本的支援度及一致性太低,一堆功能還要透過線上服務才能用,完全沒有隱私或安全可言,實在是無法接受。

開源軟體及開放字型發展至今,已足以構建出合用的解決方案。

列細節前先講結論:建議 LibreOffice + STIX + Noto CJK + 全字庫。

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Pitfalls using stm32flash

Posted on October 22, 2018October 22, 2018 by Kuan-Yi Li

stm32flash is an alternative to STM32 Flash loader demonstrator (FLASHER-STM32) for Linux users, there are some pitfalls, though.

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