Often connections are TCP based, but sometimes UDP is all you have to test with, so I was quite surprised that testing that was quite forward. The solutions by [Wayback/Archive] How to Do a UDP Ping in Linux works on any platform where you can have nmap or netcat on installed (which by now is almost all platforms including Windows):
Archive for the ‘Apple’ Category
How to Do a UDP Ping in Linux
Posted by jpluimers on 2026/01/07
Posted in *nix, *nix-tools, Apple, BSD, Mac OS X / OS X / MacOS, netcat, nmap, Power User, Windows | Leave a Comment »
MacOS (at least 2023 and younger): solution for (TrueType) fonts added through MacOS built-in Font Book not showing up in Pages or Preview
Posted by jpluimers on 2026/01/05
It took me a few queries to find the correct online solution for this problem: after adding a TrueType (and it’s extension: OpenType) font using the built-in MacOS Font Book, they do not show up in Pages or Preview, not even after validating the fonts in Font Book.
Solutions:
- reboot (found this out myself)
- killing the fontd font daemon from the Activity Monitor
- restart font daemon (found out via the link below)
launchctl kickstart -k gui/`id -u`/com.apple.xtyped
The last one does not work on my Apple Silicon machine, the first two work fine.
For Preview, you have to Force Quit it then start it (so it re-opens all the previous files) to take effect.
I needed this, because I
- very much like the Lucida font family and especially use Lucida Console a lot when filling out forms.
- need the KIX-code font often (it is as barcode font derived from RM4SCC)
- bought [Wayback/Archive] Brush Tip Terrence Font | dafont.com for stationery a long time ago and still use it
- occasionally use [Wayback/Archive] macfonts/Macintosh OS X/mac-icon-standard.ttf at master · JohnDDuncanIII/macfonts · GitHub (which I saved from the 30th Mac anniversary in 2014 – see links below) when documenting Classic Macintosh stuff
- often use the Myriad typeface that Apple supplied with the 30th anniversary of the Macintosh (see links below)
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Posted in Apple, Font, Lucida Console, Mac, Mac OS X / OS X / MacOS, macOS 13 Ventura, macOS 14 Sonoma, Power User | Leave a Comment »
See a List of All Wi-Fi Networks a Mac Has Previously Connected To
Posted by jpluimers on 2025/12/24
[Wayback/Archive] See a List of All Wi-Fi Networks a Mac Has Previously Connected To
n modern versions of Mac OS, like macOS Mojave, Catalina, Sierra, OS X El Capitan, and Yosemite, you can shorten the syntax considerably as so:defaults read /Library/Preferences/SystemConfiguration/com.apple.airport.preferences |grep SSIDStringIn prior versions of Mac OS X, you can opt for the same as the above command, or use the lengthier string below with heavy regex:
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Posted in *nix, *nix-tools, Apple, bash, bash, Development, Mac, Mac OS X / OS X / MacOS, MacBook, Power User, Scripting, Software Development | Leave a Comment »
Adobe Photoshop Source Code – CHM
Posted by jpluimers on 2025/12/19
With the permission of Adobe Systems Inc., the Computer History Museum is pleased to make available, for non-commercial use, the source code to the 1990 version 1.0.1 of Photoshop. All the code is here with the exception of the MacApp applications library that was licensed from Apple. There are 179 files in the zipped folder, comprising about 128,000 lines of mostly uncommented but well-structured code. By line count, about 75% of the code is in Pascal, about 15% is in 68000 assembler language, and the rest is data of various sorts.
https://computerhistory.org/blog/adobe-photoshop-source-code/
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Posted in 68k, Adobe, Apple, Apple Pascal, Classic Macintosh, Development, History, Macintosh SE/30, Object Pascal, Pascal, Power User, Uncategorized | Leave a Comment »
A ton of keyboard conversions via GitHub – trekawek/mac-plus-ps2: Arduino project that allows to connect a PS2 keyboard to Macintosh Plus
Posted by jpluimers on 2025/12/12
This is for earliest compact Apple Macintosh systems predating the introduction ADB (Apple Desktop Bus) on Macintosh SE and Apple Macintosh II (and Apple IIgs which technically is not a Macintosh):
[Wayback/Archive] GitHub – trekawek/mac-plus-ps2: Arduino project that allows to connect a PS2 keyboard to Macintosh Plus
Before continuing to an even more impressive keyboard and mouse interfacing project below (basically many kinds of modern keyboard, mice and gamepads to many retro computers) that I found thanks to doing some more research after finding the above one, lets summarise where the above one is still useful for:
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Posted in Apple, Arduino, Classic Macintosh, Development, Hardware Development, History, Power User | Leave a Comment »
What is the best free PDF Editor for Mac?… – Apple Community
Posted by jpluimers on 2025/11/24
Need to check this out:
- [Wayback/Archive] What is the best free PDF Editor for Mac?… – Apple Community
- [Wayback/Archive] Why did Preview lock my PDF after I edited it?? – Apple Community
Query: [Wayback/Archive] pdf editor macos – Google Search
--jeroen
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Posted in Apple, Apple Silicon, M1 Mac, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook-Pro, Power User | Leave a Comment »
MacOS: open file in other monitor
Posted by jpluimers on 2025/11/24
When I have an external monitor connected to my 2015 era Retina MacBook Pro machines, I wanted some apps to appear on the laptop screen and others on the external one.
That was harder than I hoped for as no single solution works in all cases.
What I do now is to make sure the icon bar is on the monitor where I want applications to open. Not perfect, but works for most cases.
Here are some links that helped me:
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Posted in Apple, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Pro, Power User | Leave a Comment »
More Apple ][*, //* II* and classic Macintosh hardware upgrades
Posted by jpluimers on 2025/11/14
The mini micro classic Apple emulators related post last week became way too big, so here is the classic Apple 2/Macintosh hardware upgrade part follow-up I announced in Some notes on mini/micro Apple //e emulators.
Last week, I mentioned [Wayback/Archive] ARC Javmaster – YouTube. Let’s continue from there for an even bigger post (:
Javmaster actually has a shop at [Wayback/Archive] Welcome to the 8-bit stuff store – 8 bit stuff cool retro computer 3D gadgets and geekery with a lot of interesting (mainly Apple ][ era related) retro things like:
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Posted in //e, 6502, Apple, Apple ][, Classic Macintosh, History, Macintosh SE/30, Power User, Retrocomputing | Tagged: 12, 156, 25, 3dprint, 3dprinting, 4, Apple, appleiigs, AprilApples | Leave a Comment »
How to monitor USB power consumption? – Ask Different
Posted by jpluimers on 2025/11/10
TL;DR: it is impossible on a Mac to accurately measure power usage by attached USB devices. Only a general indication is possible, but it is unreliable.
[Wayback/Archive] How to monitor USB power consumption? – Ask Different
- System Profiler needs manual refresh and is a very rough indication
- iStatMenus is a graph, but not very accurate
- Activity Monitor is even rougher than the above
Related: [Wayback/Archive] View energy consumption in Activity Monitor on Mac – Apple Support (UK)
Via: [Wayback/Archive] macos view usb power usage – Google Search
–jeroen
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Posted in Apple, Mac, MacBook, MacBook Retina, MacBook-Pro, Power User | Leave a Comment »
When Spotlight fails to find some files: mdutil revisited
Posted by jpluimers on 2025/11/07
On my M1 MacBook, somehow Spotlight started to fail returning some indexed files (especially recently added ones would not show up or it would take a very long while for some of them to show up).
So I revisited mdutil and related commands while writing a comment on the YouTube movie [Wayback/Archive] How To Rebuild the Spotlight Index on Your Mac – YouTube which since then vanished, but luckily I saved it and here I amended it with formatting:
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Posted in Apple, Mac, Mac OS X / OS X / MacOS, Power User | Leave a Comment »
The Wiert Corner - irregular stream of stuff 