What did you do to your computer today?

MB.68k

New Tinkerer
Jan 25, 2026
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Belgium
Disassembled a newly acquired QuickTake 150 and mentally prepared to desolder the dead power supply (12 normal pins and 2 humongous grounding pins).

IMG_9975.png
 

rplacd

New Tinkerer
Feb 9, 2023
1
2
3
Small steps. I'm exposing an emulated OPENSTEP 4.2's telnetd to my host macOS. I've learned:

1. It turns out you have to aggressively set TERM=xterm so that macOS telnet can report something OPENSTEP 4.2 understands:
TERM=xterm telnet [IP] [PORT]

2. Once you figure that out, a good AI agent will know what you mean when you say "Run commands on my OPENSTEP 4.2 virtual machine, which I have made accessible via telnet; you login as user: password with TERM=xterm telnet [IP] [PORT]. If you really need to, you can use su with the password [password here], and FTP in on port [port here]".

3. ChatGPT 5.6 makes an enthusiastic but very novice NeXTSTEP sysadmin...

It did teach me, though, that you can get a serial console on an OPENSTEP/x86 host! If you have an emulated serial port, and a corresponding serial device setup in Configure.app, you can also configure a "TTY Port Server" device on Configure.app. Edit /etc/ttys to configure ttya, and bob's your uncle.
 
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Certificate of Excellence

Active Tinkerer
Nov 1, 2021
983
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United Sates
Today I took a different route to getting cores installed in Retroarch. Instead of a blanket permissions override via terminal, I redirected RA to install cores within my home folder. MX25 locks down the apps default folder directory /usr/lib/libreto/ so while RA will DL the core, it cant install to that folder and will fail. What I ultimately did that was successful, was to go to settings > core > directory > cores and redirect RA to download cores to this folder that is within /home .

This worked perfectly. The weird thing about this is that I had to repeatedly hit "parent directory" to descend back to /home. This was not intuitive at all at least to my monkey brain, so it took me a minute to understand what I was doing/where I was going. Anyways, this worked for me and kept me out of terminal potentially srcewing up user permissions lol so wanted to document this.

This is on a 2008 unibody macbook running MX25 & retroarch v1.20.0.
 
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