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17 Articles

Self-Hosted Chatbot Focuses On Privacy

July 30, 2023 by 6 Comments

Large language models (LLMs) have been all the rage lately, assisting from all kinds of tasks from programming to devising Excel formulas to shortcutting school work. They’re also relatively easy to access for the most part, but as the old saying goes, if something on the Internet is free the real product is you (and your data). Luckily there are ways of hosting LLMs on your own to avoid your personal data getting harvested, as well as taking advantage of open-source solutions, but building these systems takes a little bit of effort. [Stephen] and a team from Mozilla walk us through this process and show us a number of options currently available.

Working from the ground up, the group first decides on hosting, which (unsurprisingly) involves using Mozilla hosting services. The choice of runtime environment was a little bit more challenging. The project was time constrained, so they looked at two options here: Hugging Face and llama.cpp. Eventually deciding to move forward with llama.cpp largely due to its ability to run on more consumer-oriented hardware (especially Apple silicon) and the fact that it doesn’t need a powerful GPU, the next task was to choose the model. Settling on the LLaMa model that Facebook recently open-sourced, this model works well with the runtime environment and is essentially the only one that does.

From there, the team at Mozilla wanted to make sure their chat bot would be able to provide other Mozilla employees with information more readily pertinent to their jobs, so they trained their model with some internal Mozilla data as well as other more generic information. This doesn’t mean the job is done, though, there are a number of other factors that went in to designing this system before it was finally complete. Even then, since they built this in a week it’s not perfect; there are some issues with non-permissive licensing of some of the components and many of the design choices may not have been ideal. It’s impressive what’s out there if you’re hosting your own system, though, and while this might be a little more advanced for a self-hosted project, take a look at some other more beginner-friendly projects you can try if you’re just starting out on the self-hosted path.

The Open Source Smart Home

November 6, 2019 by 27 Comments

[Tijmen Schep] sends in his project, Candle Smart Home, which is an exhibit of 12 smart home devices which are designed around the concepts of ownership, open source, and privacy.

The central controller runs on a Raspberry Pi which is running Mozilla’s new smart home operating system. Each individual device is Arduino based, and when you click through on the site you get a well designed graphic explaining how to build each device.

It’s also fun to see how many people worked together on this project and added their own flair. Whether it’s a unique covering for the devices or a toggle switch that can toggle itself there’s quite a few personal touches.

As anyone who’s had the sneaking suspicion that Jeff Bezos was listening in to their conversations, we get the need for this. We also love how approachable it makes hacking your own hardware. What are your thoughts?

Mozilla WebThings: An Open Platform For Building IoT Devices

October 29, 2019 by 24 Comments

Mozilla recently officially released their IoT platform. This framework comes with “Gateway” software that can run on a Raspberry Pi and a framework that can run on any number of devices.

As we’ve seen, IoT is a dubious prospect for consumers. When you throw in all the privacy issues, support issues, and end-of-life issues; it gets even worse. Nobody wants their light bulbs to stop working because a server in faraway land shut down, but that’s an hilariously feasible scenario.

WebThings comes with a lot out of the box. It comes with a user interface, logging, rules, and an easy-to-understand API. Likewise the actual framework allows for building on many common devices and can be written in Node, Python, Java, Rust, Micropython, and used as an Arduino library. This opens it up for everything from a eBay ESP32 to a particle board.

We’ve started to notice some projects that use it trickling in on the tip line and on hackaday.io. We’re interested to see what kind of community grows around this, and are curious if it won’t be too long before easy-to-hack kits start showing up on your favorite online retailers.

There’s good documentation and of course, being open source, you can check out the source for yourself.

Life After IRC – Your Move, Mozilla!

May 23, 2019 by 56 Comments

Last year marked the 30th anniversary of the Internet Relay Chat protocol (IRC) and it is hard to imagine that [Jarkko Oikarinen] could have foreseen the impact his invention would one day have on the world as we know it. How it would turn from a simple, decentralized real-time communication system for university-internal use into a global phenomenon, connecting millions of users all over the world, forming its own subculture, eventually reaching mainstream status in some parts of the world — including a Eurodance song about a bot topping European music charts.

Those days of glory, however, have long been gone, and with it the version of an internet where IRC was the ideal choice. What was once a refuge to escape the real world has since become the fundamental centerpiece of that same real world, and our ways of communicating with each other has moved on with it. Nevertheless, despite a shift in mainstream and everyday communication behavior, IRC is still relevant enough today, and going especially strong in the open source community, with freenode, as one of the oldest networks, being the most frequently used one, along some smaller ones like OFTC and Mozilla’s own dedicated network. But that is about to change.

Last month, Mozilla’s envoy [Mike Hoye] announced the decommissioning of irc.mozilla.org within “the next small number of months“, and moving all communication to a new, or at least different system. And while this only affects Mozilla’s own, standalone IRC network and projects, and not the entire open source community, it is a rather substantial move, considering Mozilla’s overall reach and impact on the internet itself — past, present, and now even more the future. Let’s face it, IRC has been dying for years, but there is also no genuine alternative available yet that could truly replace it. With Mozilla as driving force, there is an actual chance that they will come up with a worthy replacement that transforms IRC’s spirit into the modern era.

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Control Anything With A Chat Bot

January 5, 2019 by 1 Comment

In the world of Internet of Things, it’s easy enough to get something connected to the Internet. But what should you use to communicate with and control it? There are many standards and tools available, but the best choice is always to use the tools you have on hand. [Victor] found himself in this situation, and found that the best way to control an Internet-connected car was to use the Flask server he already had.

The remote controlled car was originally supposed to come with an Arduino, but the microcontroller was missing upon arrival. He had a Raspberry Pi around, and was able to set that up to replace the Arduino. He also took the opportunity to use the expanded functionality of the Pi compared to the Arduino and wrote a Flask server to control it, which is accessed as if you are communicating with a chat bot. Sending the words “go left/forward” to the Flask server will control the car accordingly, for example.

The chat bot itself contains some gems as well, and would be useful for any project that makes use of regular expressions. It also seems to be easily expandable. The project also uses voice commands, and does so by making extensive use of Mozilla’s voice recognition suite. If you want to get deep in the weeds of voice recognition on your own though, you can also explore TensorFlow at your leisure.

Firefox Reality, A Browser For VR Devices

April 6, 2018 by 31 Comments

The browser you are reading this page in will be an exceptionally powerful piece of software, with features and APIs undreamed of by the developers of its early-1990s ancestors such as NCSA Mosaic. For all that though, it will very probably be visually a descendant of those early browsers, a window for displaying two-dimensional web pages.

Some of this may be about to change, as in recognition of the place virtual reality devices are making for themselves, Mozilla have released Firefox Reality, in their words “a new web browser designed from the ground up for stand-alone virtual and augmented reality headset“. For now it will run on Daydream and GearVR devices as a developer preview, but the intended target for the software is a future generation of hardware that has yet to be released.

Readers with long memories may remember some of the hype surrounding VR in browsers back in the 1990s, when crystal-ball-gazers who’d read about VRML would hail it as the Next Big Thing without pausing to think about whether the devices to back it up were on the market. It could be that this time the hardware will match the expectation, and maybe one day you’ll be walking around the Hackaday WrencherSpace rather than reading this in a browser. See you there!

They’ve released a video preview that disappointingly consists of a 2D browser window in a VR environment. But it’s a start.

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Speech Recognition For Linux Gets A Little Closer

January 17, 2018 by 33 Comments

It has become commonplace to yell out commands to a little box and have it answer you. However, voice input for the desktop has never really gone mainstream. This is particularly slow for Linux users whose options are shockingly limited, although decent speech support is baked into recent versions of Windows and OS X Yosemite and beyond.

There are four well-known open speech recognition engines: CMU Sphinx, Julius, Kaldi, and the recent release of Mozilla’s DeepSpeech (part of their Common Voice initiative). The trick for Linux users is successfully setting them up and using them in applications. [Michael Sheldon] aims to fix that — at least for DeepSpeech. He’s created an IBus plugin that lets DeepSpeech work with nearly any X application. He’s also provided PPAs that should make it easy to install for Ubuntu or related distributions.

You can see in the video below that it works, although [Michael] admits it is just a starting point. However, the great thing about Open Source is that armed with a working set up, it should be easy for others to contribute and build on the work he’s started.

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