Debian Bookworm was released with Podman 4.3 and Linux kernel 6.1 so it should have decent rootless OverlayFS support. But somehow VFS was used by default running Podman rootless containers and this will have a huge impact on performance.
To switch such default away from VFS to OverlayFS, the easiest way is to install containers-storage (which is just a suggested package for podman, thus usually not considered as a dependency).
2022 年 5 月的時候 Tesla 把維修手冊免費開放出來了，來大致看一下。
qsort_r 是個與 qsort 類似，但不包含在 ISO C 標準內的 function。因為非標準，不是每個 C standard library 都有實作，有實作的參數定義也不一定一致。最近發現 musl 加入了 qsort_r 的實作，就來彙整一下相關資訊。
前陣子看到 NiceCode 耐斯扣 NiceChord 好和弦釋出了自架 Jitsi 來上遠端音樂課的教學，勾起了我的好奇心：有沒有辦法，不修改設定檔；甚至，連自己架站都不用，就達成高音質、低延遲的目標呢？
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。
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。
Avoid both the use of obscure “convenience script” and the installation of out-of-tree kernel module.
Most of the instructions out there are far from something I would call “best practice”, so I wrote one my own.
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 on Debian Buster, all officially signed.
Cheatsheet to a more maintainable configuration.