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Resolving an rsnapshot error — “rsync: –delete does not work without –recursive (-r) or –dirs (-d). rsync error: syntax or usage error (code 1) at main.c(1795)”

Resolving an rsnapshot error — “rsync: –delete does not work without –recursive (-r) or –dirs (-d). rsync error: syntax or usage error (code 1) at main.c(1795)”

I discovered rsnapshot hadn't run in a few days. Checking /etc/rsnapshot.log, I found every recent day had this: rsync: --delete does not work without --recursive (-r) or --dirs (-d). rsync…
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Fort Mason Tunnel

Subterranean SF: Fort Mason Tunnel

This is a placeholder to remind me to post the photo album of exploring the hidden Fort Mason rail tunnel.
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Wendee’s Farm

Everybody says she’s the brains behind Pa: Wendee’s Farm

This is a placeholder page to remind me to post my gallery of photos from Wendee Key's plantation.
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Post-migration steps when migrating or restoring Linux from backup

Post-migration steps when migrating or restoring Linux from backup

There are intentionally vague broad steps, here just as a reminder to myself; best to look specific instructions for each of these steps up at restore time for the particular…
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Fastest way to delete a large, deep directory in Linux

Fastest way to delete a large, deep directory in Linux

Per numerous references around the web, to delete /path/to/directory-to-delete/: cd /path/to/ mkdir empty_dir rsync -a --delete empty_dir/ directory-to-delete/ rm -r empty_dir rm -r directory-to-delete Disclaimer: this is for my own…
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Web Developer Reference: Comprehensive List of CSS Units

Web Developer Reference: Comprehensive List of CSS Units

Here’s a guide to all currently available CSS units, with explanations and common use notes. This includes all CSS units listed in MDN Web Docs as of 2025aug15. Sections: By…
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A Technological Solution to Disincentivize a Web Develepment “Concern Troll”

Fun With A Purpose: A Technological Solution to Disincentivize a Web Develepment “Concern Troll”

I had an interesting thing happen a few months ago where a troll in a chat room decided for some reason to run my site through the W3C's Nu HTML…
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Web Demo: CSS Dynamic Point Light Source & Parallax Shadows

Let There Be More Light: Web Demo: CSS Dynamic Point Light Source & Parallax Shadows

Click here to view this in a separate tab. This demonstrates a high-performance method of rendering dynamic CSS drop shadows from a simulated point light source. The note and sun…
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VMWare VM unreachable via IP after reboot, even from host machine

VMWare VM unreachable via IP after reboot, even from host machine

My VWWare VM lost internet connectivity after a reboot. Even the host machine could not access any service on it. Http/https got 523 errors. I powered down the VM, changed…
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Start Here—What is the General Reference Library section?

What It Is: Start Here—What is the General Reference Library section?

I have always been a dedicated archiver and curator of interesting information: trivia, facts, tidbits, how-tos, items of possible future interest. In the internet age, some of this it makes…
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Can the sentence ‘I literally died laughing’ be true?

Infrequently Asked Questions: Can the sentence ‘I literally died laughing’ be true?

"'Literally' is one of the most misused words in the English language. Literally means: exactly as stated. 'I literally rode a horse to get here.' means you saddled a horse…
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Reducing rsnapshot or rsync resource usage

Reducing rsnapshot or rsync resource usage

I've had sporadic problems with clearing the WP cache causing the server to return 520 errors for a few minutes. Usually other sites on the same server are fine, it's…
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Software Index Placeholder

Software Index Placeholder

This is a placeholder page left here to remind me to set up a single-page index of links to all my various software projects.
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Force Git to overwrite local changes if there is a branch conflict

Force Git to overwrite local changes if there is a branch conflict

Use code you find here at your own risk! I am not responsible if you damage your data or system by following any instructions you find here. Navigate to your…
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Getting Web Browsers Not To Blur Images on Retina Screens

Getting Web Browsers Not To Blur Images on Retina Screens

Unfortunately this must be set by site, but on retina screens on MacOS, many browsers blur small images, such as 88x31 buttons. You can overcome this, at least for the…
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How to fix if the “Save” button is grayed out in Photoshop CC 2017 save and export dialogs

How to fix if the “Save” button is grayed out in Photoshop CC 2017 save and export dialogs

I don't know if this affects other versions of Photoshop, but on MacOS Photoshop CC 2017 frequently starts unexpectedly graying out all save buttons when you have made changes to…
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Web Assets Archive — Buttons, Logos, and Other Website Graphics

Covering My Assets: Web Assets Archive — Buttons, Logos, and Other Website Graphics

Buttons Kupietz Arts+Code buttons "Built During An Indieweb Meetup" buttons I strongly suggest, if you use these buttons, that you use an [code][/code] tag to link them to https://events.indieweb.org. Site…
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AI Policy

AI Policy

Uses The following are how generative AI is used on this site: 1. Visual Images There are plenty of AI images on this site, enough that you should assume all…
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#SaturdayMonsterChallenge—”Too Hot To Handle Monsters”, Uncensored

But It's A Dry Heat: #SaturdayMonsterChallenge—”Too Hot To Handle Monsters”, Uncensored

The LinkedIn Saturday Monster Challenge for July 5, 2025 was '"Too Hot To Handle" Monsters'. After consideration, I decided not to post this gallery on LinkedIn. The idea of a…
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Using Per-Website Emails & Passwords to Protect Against Data Breaches

Security Through Obscurity: Using Per-Website Emails & Passwords to Protect Against Data Breaches

I got into a conversation today with some web developers, talking about recent articles about a major password breach. This got me to thinking—with some prompting from shadowy web standards…
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#SaturdayMonsterChallenge – 2025jun29, “Deleted Scenes Monsters” – Casablanca Uncut

Slay It Again, Sam: #SaturdayMonsterChallenge – 2025jun29, “Deleted Scenes Monsters” – Casablanca Uncut

This week's LinkedIn Saturday Monster Challenge generative art theme was "Deleted Scene Monsters": show the monsters that ended up on the cutting room floor. And so, I am pleased to…
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Links — Mike’s Other Sites & Pages

Links — Mike’s Other Sites & Pages

More Kupietz for you? Links to Mike's Other Sites & Pages Music & Sounds: GuitaristInProgress on YouTube - my old YouTube channel, mostly me playing sloppy covers on guitar. Once…
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Contact Information

Contact Information

If you have any questions or concerns, I'm absolutely here to help. To get in touch, come to San Francisco and walk down each street shouting my name. Here's a…
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Draggable Elements WordPress Plugin

Nothin' But A Drag: Draggable Elements WordPress Plugin

This will be written up in detail, but for now, this is just a demo page for my KupieTools Draggable Elements WordPress plugin. If you select "View Page Source" in…
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Filtering LinkedIn Posts, Notifications, and Comments by keyword

Filtering LinkedIn Posts, Notifications, and Comments by keyword

I use the uBlock Origin browser plugin to filter my LinkedIn Posts, Notifications, and Comments to hide anything containing objectionable topics. uBlock Origin allows you to add custom rules to…
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#SaturdayMonsterChallenge—”Rising Monsters”

By the time I get there, she'll be rising: #SaturdayMonsterChallenge—”Rising Monsters”

The Saturday Monster Challenge on LinkedIn for June 21 2025 was "Eternal Rise Monsters". I took the theme and decided to do Phoenixes (Phoenices? Phoenixen?), as in "rising from the…
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Deactivating, deleting, and completely removing a plugin that WordPress won’t let you deactivate

Deactivating, deleting, and completely removing a plugin that WordPress won’t let you deactivate

I installed the WordPress plugin LWS Optimize, which turned out to be unusably broken (which is the reason I'm not linking to it) and made my site unusable. To make…
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Website returns 503 server errors, but no errors in logs

Website returns 503 server errors, but no errors in logs

Had a weird one today. Last one website of the several of on this server suddenly started returning 503 (service unavailable) errors. There was nothing in the PHP error log…