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chat
- Lunatic is an Erlang-inspired runtime for WebAssembly
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Charm – tools to make the command line glamorous
TUIs over ssh/telnet can be a lot of fun. Especially in cases where multiple people can interact with each other on the server. It simplifies the programming model as you only have one state on the backend that you render to multiple connections. Syncing up everyone becomes trivial. You can also use some React concepts, like rendering a virtual TUI and sending just the right set of minimal escape sequences back to the user to bring their display up to date.
A few months ago I implemented a telnet chat server[0] for fun and it was surprisingly easy to do so. Even by using a wasm vm that I was still working on at the same time.
[0]: https://github.com/lunatic-solutions/chat
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Launch HN: Lunatic (YC W21) – An Erlang Inspired WebAssembly Platform
We are investing a lot of effort into making Lunatic feel native to the particular language and ecosystem. If you look at the Rust chat server we built in Lunatic (https://github.com/lunatic-solutions/chat), it fully integrates with cargo. You just run your typical “cargo run” command, it will compile the app to wasm and use lunatic to run it. If you want to run your test, you can just do “cargo test”.
wasm-bindgen is necessary only because it’s really hard right now to merge the wasm world and the JS one in the browser. We have the advantage here of staying out of the browser.
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How I built a telnet chat server in 2021 with WebAssembly
It took me around a week to build it with Rust + Lunatic and you can check out the code here. If you would like to try it out you can connect to it with:
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The Stakker actor runtime: Beyond "Go++"
Recently I implemented a command line chat server in Rust using an actor framework. I model each TCP connection as an actor.
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I built a telnet chat server with WebAssembly
Hi HN,
I'm working on an Erlang inspired WebAssembly runtime for the backend[0]. Recently I added TCP support and was looking for apps I could build with it. I ended up building a telnet line chat app. It was a great dogfooding experience and has a nice retro feel to it.
You can access the US server with:
> telnet lunatic.chat
or the EU one with:
> telnet eu.lunatic.chat
Pick the one closer to you, as all the rendering is done on the backend and lower latency will mean better UX.
The server is open source[1] and written in Rust. The Rust code is then compiled to WebAssembly and runs on top of Lunatic. Each connection runs in a separate (lightweight) process, has it's own state and sends just a diff of esc-sequences back to the terminal to bring it up to date with the current render buffer. Everything is deployed to an ARM Linux box.
[0]: https://github.com/lunatic-solutions/lunatic
[1]: https://github.com/lunatic-solutions/chat
- WebAssembly Powered Telnet Chat
- Lunatic.chat – A WebAssembly powered telnet chat
- A telnet chat server powered by WebAssembly
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telnet lunatic.chat – A chat server for the terminal
The server is open source and written in Rust. The Rust code is then compiled to WebAssembly and runs on top of Lunatic. Each connection runs in a separate (lightweight) process, has it's own state and sends just a diff of esc-sequences back to the terminal to bring it up to date with the current render buffer. Everything is deployed to an ARM Linux box.
ttyd
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Any fun/interesting custom scripts or services being ran on your setup?
I do everything through a web browser -- I run an Arch VM with a modified version of ttyd running as a systemd service.
- Terminal with web UI?
- FLiPN-FLaNK Stack Weekly for 20 March 2023
- ttyd - Share your terminal over the web
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Looking for a program to allow a few local network users to get a shell using a browser
This is the way, why need something else? And Its already preinstaled in windows. But there is still a thing for web browser https://github.com/tsl0922/ttyd
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Looking for a shell emulator to run in a webpage for users in a limited capacity
https://github.com/tsl0922/ttyd should do the trick!
- Access SSH through web ui.
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Self hosted terminal app (for mobile)?
there is ttyd
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Is there a way to run the status from the web for webui?
There are programs like gotty that can show terminal output in a webpage. Some alternatives, https://alternativeto.net/software/gotty/ Like ttyd looks promising as well.
What are some alternatives?
meetings - WebAssembly meetings (VC or in-person), agendas, and notes
xterm.js - A terminal for the web
lunatic - Lunatic is an Erlang-inspired runtime for WebAssembly
gotty - Share your terminal as a web application
chrono - Date and time library for Rust
wetty - Terminal in browser over http/https. (Ajaxterm/Anyterm alternative, but much better)
embly - Attempt at building an opinionated webassembly runtime for web services
Simula - Linux VR Desktop
lumen - An alternative BEAM implementation, designed for WebAssembly
coder - Coder provisions software development environments via Terraform on Linux, macOS, Windows, X86, ARM, and of course, Kubernetes.
mapscii - 🗺 MapSCII is a Braille & ASCII world map renderer for your console - enter => telnet mapscii.me <= on Mac (brew install telnet) and Linux, connect with PuTTY on Windows
GateOne - Gate One is an HTML5-powered terminal emulator and SSH client