修整雷射切割機的時候順便調校了一下割字機，來看一下它底層是怎麼從電腦驅動的。
雷射切割機改機筆記
最近修整了一台壞掉人家淘汰下來的雷射切割機，大致紀錄一下得到的資訊跟心得。
質與量的兩難
資源有限，人生幾乎處處都需要權衡並做出取捨。重質、重量皆可以是取勝之法，何者更為適用端看所處的環境。產品開發、客戶經營也常會遇到這樣的兩難。生物為了繁衍，面對這樣的問題已經幾十億年了，看看有沒有什麼可以偷師的地方。
珍惜生命，遠離 Cooler Master
聊以此文，紀錄被 Cooler Master 戲耍的心路歷程。
Installing Docker on Debian-based Distributions
Avoid both the use of obscure “convenience script” and the installation of out-of-tree kernel module.
Installing WireGuard on Raspberry Pi OS Buster
Jump to the last step! WireGuard is included in official suite of Raspberry Pi OS Buster since mid February, 2021.
Most of the instructions out there are far from something I would call “best practice”, so I wrote one my own.
Installing Linux Kernel From Debian Backports
Debian buster-backports started to serve kernel 5.6+ around mid June, 2020. By installing Linux kernel from the suite, we’ll have in-tree WireGuard kernel module and some more up-to-date drivers, all officially signed.
Human-Readable DHCP Options for DNSMASQ
Cheatsheet to a more maintainable configuration.
Things About ClearFog Base/Pro
Must-Knows
- eMMC prevents the usage of booting from microSD. Stay away from eMMC variants unless there is a special reason.
- Generates a lot of heat, should always operate with a cooler and replace thermal pad with thermal paste.
Realtek 802.11ac USB Wi-Fi Linux Driver Installation
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 have a separate driver now.)