today's leftovers
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Internet Hall of Famer Dr. Richard Stallman to give presentation to the Jeff.pro GNU+Linux User Group
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Simulating the IBM 360/50 mainframe from its microcode
The IBM System/360 was a groundbreaking family of mainframe computers announced on April 7, 1964. System/360 was an extremely risky "bet-the-company" project for IBM, costing over $5 billion, but the System/360 ended up as a huge success, setting the direction of the computer industry for decades. The S/360 architecture was so successful that it is still supported by IBM's latest mainframes, almost 60 years later. I'm developing a microcode-level simulator1 for the IBM System/360 Model 50 (link to the simulator); this blog post provides background to understand the Model 50 and the simulator.
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Playing with CD-RWs on FreeBSD
It’s worth mentioning as well that CD-RWs do typically take longer to burn that a CD-R, even discounting the time taken to blank them. It’s more than an acceptable compromise for me, but don’t be surprised if the drive reports 4 for the drive speed. I did briefly have a CD burner and CD-RW media as a kid that worked at 8×, but both those are long gone.
This was a fun experiment! Now I have a reliable way to generate these disc images with a few CD-RWs.
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A proof of concept: running OpenBSD on the PinePhone
As mentioned in the piece, this comes with a bit of a warning: [...]
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Dropbox, Microsoft OneDrive send out warnings to macOS users
They warn that some users may have problems when attempting to open files stored in either service using another Mac application. They urge customers to update their apps once macOS 12.3 is installed.
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Dilution and Misuse of the "Linux" Brand
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