WangLu's Notes

I stumbled upon the Gentoo wiki page for systemd-nspawn , which in turn led me to nspawn.org , mkosi , and later systemd-sysupdate . mkosi quickly caught my eye because it's almost exactly what I wanted to build myself, as mentioned in a previous post . So, I decided to spend my "sysadmin fun quota" on it. Overview mkosi is similar to docker build or podman build , but it's designed for creating full OS images. It focuses on development and testing. For example, much like nix-shell , mkosi can quickly launch a sandboxed shell with a specific distribution and selected packages installed. The systemd project itself uses mkosi for testing across different distros. The re-introduction article  is a great read. Speed Note that this is by no means a rigid benchmark. My setup is an SSD with LUKS and an ext4 filesystem (without reflink support). Building Container Images mkosi is pretty fast. A simple mkosi command creates a fresh Debian image. I used the --incrementa...

Recently I learned about cppfront , which is an experimental new syntax for C++ by Herb Sutter. It was nicely explained in CppCon, and I really enjoyed watching the video . Roughly I'd view it as Rust with C++ interop. It's kind of some syntax sugar, preprocessor or a dialect. It has also enforced style guide or annotations that are compiler-aware. I like it mostly, I feel excited.  And let me try to explain in a logic way. The Syntax I don't like it, nor do I hate it. I asked myself, do I not like it, just because I am not familar with it? The answer is yes. So it's my problem, not cpp2's. It didn't took me too much time to get myself comfortable (but not fluent) with Rust, so I think cpp2 won't be a problem. Comparing with Rust I got this several times while reading the docs or watching the video:  If something is bad, let's remove it from the language instead of keeping teaching "don't do this, don't do that". Examples: NULL, union, ...