lsofer
Seed
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lsofer
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Not knowing the /proc file system
/proc is amazing once you get the hang of it and get a good understanding of what's all in there. Especially if you're doing low level performance tuning.
It's particularly helpful in larger infrastructures where tool the variability means differences in available tooling, and their output plus cli options. I'm sure /proc iteration has its own issues of variability across large infrastructres, but I haven't seen it. It's a fairly consistent API. Or at least it was, since I haven't touched a large infrastructure in some time.
When I got tired of `lsof` not being installed on hosts (or when its `-i` param isn't available) I ended up writing a script [1] that just iterates through /proc over ssh and grabs all inet sockets, environment variables, command line, etc from a set of hosts. Results in a null-delimited output that can then be fed into something like grafana to create network maps. Biggest problem with it is the use of pipes means all cores go to 100% for the few seconds it takes to run.
[1] https://github.com/red-bin/lsofer
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Bash functions are better than I thought
Oh yeah, bash functions are great and absolutely abusable. Sometimes you need some grand hacks to get it to work well, but when it works well, it can do some magic. You can even export functions over ssh!
I wrote this a few years back which ran on bunches of hosts and fed into a infrastructure network mapper based on each hosts' open network sockets to other known hosts. It wasn't really feasible to install a set of tools on random hosts.. but I still had root ssh access across the board. So I needed something tool agnostic, short, auditable, and effectively guaranteed to work:
https://github.com/red-bin/lsofer/blob/master/lsofer.sh
Seed
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Yew alternatives
Practically every Rust web frontend I've seen takes a react-like approach, with "hooks" to store all of the state in. The now-abandoned Seed and Yew's struct components use a message-passing approach, where the state is stored as member variables on the struct representing the component that are updated based on messages dispatched by event handlers. There's also egui, which has a completely different paradigm that involves making the UI from scratch every frame based on the app's current state. It's not a web framework the same way as the others, but it can draw its UI to a web canvas just fine.
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Want a web app to respond to local file changes. Is Tauri the solution here?
Sycamore, Yew, or Seed if you want a full-stack solution. (Or Leptos if you want something that's faster but less mature.)
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Full-stack authentication system using rust (actix-web) and sveltekit
An authentication system is an integral part of modern applications. It's so important that almost all modern applications have some sort of it. Because of their critical nature, such systems should be secure and should follow OWAP®'s recommendations on web security and password hashing as well as storage to prevent attacks such as Preimage and Dictionary attacks (common to SHA algorithms). To demonstrate some of the recommendations, we'll be building a robust session-based authentication system in Rust and a complementary frontend application. For this article series, we'll be using Rust's actix-web and some awesome crates for the backend service. SvelteKit will be used for the frontend. It should be noted however that what we'll be building is largely framework agnostic. As a result, you can decide to opt for axum, rocket, warp or any other rust's web framework for the backend and react, vue or any other javascript framework for the frontend. You can even use rust's yew, seed or some templating engines such as MiniJinja or tera at the frontend. It's entirely up to you. Our focus will be more on the concepts.
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Rust tech stack
If you want to do fullstack/SPA stuff, check out Sycamore, Seed, and Yew.
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rust web dev??
If you want to do front-end SPA development, take a look at Yew, Seed, or Sycamore.
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Blazor United - When it ships it would be the most glorious way to do web with .NET
Aside from Blazor there's already some other projects like Yew (rust), seed (rust), asm-dom (C++) and vugu (Go) and more that have decent followings and activity. A lot more (especially managed languages) are waiting for some features to come online like wasm GC and host bindings (direct wasm access to browser apis which includes the DOM). It'll take a bit of time, but it'll get there eventually.
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Recommended web-app framework for newbies and juniors?
To click * https://crates.io/crates/percy * https://crates.io/crates/seed * https://crates.io/crates/perseus * https://crates.io/crates/sycamore
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Back to School: Free Rust Courses
For desktop apps maybe check out Tauri . You can use it with a lot of (web)frontend options including yew/wasm (also Seed ) if you want to go 100% Rust. Actix and Rocket are options for web framework. Also have look at the Building a Command Line Program in the book. I found it really helpful since i am just starting to learn myself.
- Tauri – Creating Tiny Desktop Apps
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They interviewed the founder of a full-stack Rust framework called "MoonZoon" in this newsletter. Has anyone here used MoonZoon before?
I haven't been keeping up with it, but have heard of it. If ibrecall correctly it was created by the developer that initially developed seed (https://seed-rs.org/)
What are some alternatives?
hasura-ci-cd-action
yew - Rust / Wasm framework for creating reliable and efficient web applications
bash-core - Core functions for any Bash program.
Rocket - A web framework for Rust.
basalt - The rock-solid Bash package manager.
rust-dominator - Zero-cost ultra-high-performance declarative DOM library using FRP signals for Rust!
PPSS - Parallel Processing Shell Script
sauron - A versatile web framework and library for building client-side and server-side web applications
nsd - NGS Scripts Dumpster
percy - Build frontend browser apps with Rust + WebAssembly. Supports server side rendering.
ngs - Next Generation Shell (NGS)
sycamore - A library for creating reactive web apps in Rust and WebAssembly