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Hackaday Links: April 9, 2023

April 9, 2023 by 17 Comments

When it comes to cryptocurrency security, what’s the best way to secure the private key? Obviously, the correct answer is to write it on a sticky note and put it on the bezel of your monitor; nobody’ll ever think of looking there. But, if you’re slightly more paranoid, and you have access to a Falcon 9, you might just choose to send it to the Moon. That’s what is supposed to happen in a few months’ time, as private firm Lunar Outpost’s MAPP, or Mobile Autonomous Prospecting Platform, heads to the Moon. The goal is to etch the private key of a wallet, cheekily named “Nakamoto_1,” on the rover and fund it with 62 Bitcoins, worth about $1.5 million now. The wallet will be funded by an NFT sale of space-themed electronic art, because apparently the project didn’t have enough Web3.0 buzzwords yet. So whoever visits the lunar rover first gets to claim the contents of the wallet, whatever they happen to be worth at the time. Of course, it doesn’t have to be a human who visits.

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SheepShaver: A Cross-Platform Tool For Retro Enthusiasts

March 24, 2023 by 20 Comments

The world of desktop computing has coalesced into what is essentially a duopoly, with Windows machines making up the bulk of the market share and Apple carving out a dedicated minority. This relatively stable state hasn’t always existed, though, as the computing scene even as late as the 90s was awash with all kinds of competing operating systems and various incompatible hardware. Amiga, Unix, OS/2, MacOS, NeXT, BeOS, as well as competing DOSes, were all on the table at various points.

If you’ve still got a box running one of these retro systems, SheepShaver might be able to help expand your software library. It’s not the sort of virtualization that we’re used to in the modern world, with an entire operating system running on a sanctioned-off part of your system. But SheepShaver does allow you to run software written for MacOS 7.5.2 thru 9.0.4 in a different environment. Unix and Linux are both supported, as well as Mac OS X, Windows NT, 2000, and XP, and the enigmatic BeOS. Certain configurations allow applications to run natively without any emulation at all, and there is plenty of hardware support built-in as well.

For anyone running retro hardware from the late 90s or early 00s, this could be just the ticket to get an application running that wasn’t ever supported on one of these machines. As for the name, it’s a play on another piece of software called ShapeShifter which brought a Mac-II emulator to the Amiga. SheepShaver has been around since the late 90s, too, so we’re surprised that we haven’t featured it before since it is such a powerful tool for cross-platform compatibility for computers of this era. Even if all you are hanging on to is an old BeBox.

It’s MacOS. On An Unmodified Wii!

November 24, 2022 by 16 Comments

We’re used to the so-called “Hackintoshes”, non-Apple hardware running MacOS. One we featured recently was even built into the case of a Nintendo Wii. But [Dandu] has gone one better than that, by running MacOS on an unmodified Wii, original Nintendo hardware (French, Google Translate link).

How has this seemingly impossible task been achieved? Seasoned Mac enthusiasts will remember the days when Apple machines used PowerPC processors, and the Wii uses a PowerPC chip that’s a close cousin of those used in the Mac G3 series of computers. Since the Wii can run a Linux-based OS, it can therefore run Mac-on-Linux, providing in theory an environment in which it can host one of the PowerPC versions of MacOS.

The installation sequence has more than its share of difficulties, but eventually he was able to get the Wii running MacOS 9, the last classic MacOS. It runs DOOM, Internet Explorer 5, and iTunes even on these limited resources, though the last package had display and sound issues. He then tries a MacOS X build, but without success.

It’s fair to say that this is not exactly a way to get your hands on a cheap Mac, and remains more of an exercise in pushing a console beyond its original function. But it’s still an interesting diversion, and maybe someone will in time make a MacOS X version work on the Wii too. If you’re curious about the Mac-in-a-Wii that inspired this work, you can see it here.

Change Desktop Environments On… IOS?

November 19, 2021 by 32 Comments

While Apple’s modern operating systems may seem like they exist independently of the rest of the computing world, they are actually close cousins of modern versions of Linux. The primary link between the two is that Apple’s offerings are Unix-based and even though Linux isn’t Unix in the strict sense, it’s built to be extremely Unix-like. Plenty of Linux software is POSIX-compliant, meaning it is effectively compatible with true Unix. But what can we do with that information? Well, to start, we can run Linux desktop environments on top of an iOS install on your favorite iPhone or iPad.

To be sure, we will be filing this hack in the “because you can” category. [Torrekie], the creator of this project, has plenty of builds (Google translate from Chinese) where the boundaries between things like Linux and Unix are either blurred or nonexistant. In this particular project, a jailbroken iOS device is essentially gifted a ported version of XFCE which is able to run fairly well on iOS thanks to its compatibility with Unix environments. Details on how this was accomplished are sparse without a full investigation of the source code right now, but you can head over to the repository if you are curious enough to try this for yourself. [Torrekie] does note that this will only work with iOS devices that have been jailbroken using the “unc0ver” jailbreak only though.

To be sure, the relationship between modern Apple operating systems and Linux is about as close as modern Porsches and the Volkswagen Beetle, but either way the two are close enough to get interesting and impressive mashups like this project. For now only time will tell if using XFCE on iOS will be useful for anyone, but other projects bridging the gap between Linux and Apple are sure to be more immediately fruitful.

Linux: Coming Soon To M1 Macbooks

November 17, 2021 by 62 Comments

Regardless of the chipset or original intended use of any computer system, someone somewhere is going to want to try and run Linux on it. And why not? Linux is versatile and free to use as well as open-source, so it’s quite capable of running on almost anything. Of course, it takes a little while for the Linux folk to port the software to brand new hardware, but it’s virtually guaranteed that it’s only a matter of time before Linux is running on even the most locked-down of hardware, like the M1 MacBooks.

[Hector Martin] aka [marcan] has been hard at work getting Linux up and running on the latest Apple offerings with their ARM-based M1 processors. Since these are completely divorced from their x86 product line the process had to be worked from the ground up which included both booting Linux and modifying the kernel to include support for the hardware. [marcan] has a lot of hardware working such as the USB ports and the SD card slot, and notes that his setup is even compatible with the webcam notch included in the latest batch of MacBooks.

There are a few things still missing. He’s running Arch and doesn’t have the GPU configured yet, so all of the graphics are rendered in software. But he has put the computer through the wringer including running some computationally-intense software for nearly a full day before realizing that the machine wasn’t charging, which did not make much difference in performance. These machines are indeed quite capable with their new ARM chipsets and hopefully his work going forward will bring Linux to the rest of us who still use Macs even if they don’t want to run macOS.

A miniature iMac clone running MacOS Monterey

Cute Little IMac Clone Runs MacOS On A Tiny Screen

November 2, 2021 by 6 Comments

Building a Hackintosh – a non-Apple computer running MacOS – has been a favorite pastime of hackers ever since Apple made the switch from PowerPC to Intel hardware. Though usually built from commodity PC parts, some have successfully installed Apple’s OS onto various kinds of Intel-based single-board computers. [iketsj] used such a board to build a cute little Hackintosh, and apparently decided that if he was going to imitate Apple’s hardware, he might as well take some clues from their industrial design. The result can be seen in the video (embedded below) where [Ike] demonstrates a tiny iMac-like device with a 5″ LCD screen.

The brains of this cute little all-in-one are a Lattepanda, which is a compact board containing an Intel CPU, a few GB of RAM and lots of I/O interfaces. [Ike] completed it with a 256 GB SSD, a WiFi/Bluetooth adapter and the aforementioned LCD, which displays 800×480 pixels and receives its image through the mainboard’s HDMI interface.

The case is a 3D-printed design that vaguely resembles a miniaturized iMac all-in-one computer. The back contains openings for a couple of USB connectors, a 3.5 mm headphone jack and even an Ethernet port for serious networking. A pair of speakers is neatly tucked away below the display, enabling stereo sound even without headphones.

The computer boots up MacOS Monterey just like a real iMac would, just with a much smaller display. [Ike] is the first to admit that it’s not the most practical thing in the world, but that he would go out and use it in a coffee shop “just for the lulz”. And we agree that’s a great reason to take your hacks outside.

[Ike] built a portable Hackintosh before, and we’ve seen some pretty impressive MacOS builds, like this Mini iMac G4, a beautiful Mac Pro replica in a trash can, and even a hackintosh built inside an actual Mac Pro case.

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Mini Wireless Thermal Printers Get Arduino Library (and MacOS App)

September 21, 2021 by 24 Comments

[Larry Bank]’s Arduino library to print text and graphics on BLE (Bluetooth Low Energy) thermal printers has some excellent features, and makes sending wireless print jobs to a number of common models about as easy as can be. These printers are small, inexpensive, and wireless. That’s a great mix that makes them attractive for projects that would benefit from printing out a hardcopy.

It’s not limited to simple default text, either. Fancier output can be done using Adafruit_GFX library-style fonts and options, which sends the formatted text as graphics. You can read all about what the library can do in this succinct list of concise functions.

But [Larry] hasn’t stopped there. While experimenting with microcontrollers and BLE thermal printers, he also wanted to explore talking to these printers from his Mac using BLE directly. Print2BLE is a MacOS application that allows dragging image files into the application’s window, and if the preview looks good, the print button makes it come out of the printer as a 1-bpp dithered image.

Small thermal printers make for neat projects, like this retrofitted Polaroid camera, and now that these little printers are both wireless and economical, things can only get easier with the help of a library like this. Of course, if that’s all starting to look a little too easy, one can always put the thermal back in thermal printing by using plasma, instead.