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Workshop » Reference Section » Grimoires » IT » Platforms » Web » WordPress » Yoast
CURL and Browser get different page versions (301 redirects, content changed, etc. — due to Yoast url parameter stripping only for non-logged-in users)

CURL and Browser get different page versions (301 redirects, content changed, etc. — due to Yoast url parameter stripping only for non-logged-in users)

I had a truly maddening problem where my /embed/ functionality was sometimes returning full pages to CURL commands and online services like redirect-checker.org, etc. It turned out, it was Yoast's…
Workshop » Reference Section » Grimoires » IT » Platforms » Linux » Packages » SQL
SQL query to list all WordPress post revisions for archiving

SQL query to list all WordPress post revisions for archiving

Here's the SQL query to get all post revisions, which I do prior to cleaning them out of the database, which seems to make it much faster: SELECT p.* FROM…
Workshop » Reference Section » Grimoires » IT » Platforms » Linux » Packages » rsync & rsnapshot
Speeding up rsnapshot (rsync) backups by removing wildcard paths from exclude

Speeding up rsnapshot (rsync) backups by removing wildcard paths from exclude

I removed a bunch of wildcard paths from rsnapshot.conf's exclude, and suddenly tonight my backup ran in a few minutes instead of taking over a day like it usually does.…
Workshop » Reference Section » Grimoires » IT » Troubleshooting log » Web Server
Performance troubleshooting & settings changes 2025aug29

Performance troubleshooting & settings changes 2025aug29

Following several days of frequent freezes, I tried changing the following settings updated in : [opcache] original settings ;recommended by https://vpsfix.com/14433/virtualmin-post-installation-configuration-and-server-optimization-guide/ opcache.enable= opcache.memory_consumption= opcache.interned_strings_buffer= opcache.max_accelerated_files= opcache.validate_timestamps= opcache.revalidate_freq= opcache.save_comments= ;end recommendation…
Workshop » Reference Section » Grimoires » IT » Platforms » Linux » File management
Directory and File Locations particular to this server

Directory and File Locations particular to this server

PHP config - Includes: - opcache settings - error warnings PHP slow log setup is in PHP log - PHP error and slow logs by pool are in
Workshop » Reference Section » Grimoires » IT » Platforms » Linux » Packages » rsync & rsnapshot
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…
Workshop » Reference Section » Grimoires » IT » Troubleshooting log » VMWare
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…
Workshop » Reference Section » Grimoires » IT » Platforms » Linux » Packages » rsync & rsnapshot
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…
Workshop » Reference Section » Grimoires » IT » Troubleshooting log » WordPress
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…
Workshop » Reference Section » Grimoires » IT » Troubleshooting log
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…
Workshop » Reference Section » Grimoires » IT » Troubleshooting log
/Devlog

/Devlog

2025oct2fdrag class added to expose this to ktwp draggable elements pluginAdded pointer-events: none; to .ktwp-de-effectsDiv so links work again2025sep20Disabled all Octothorpes Protocol functionality, although left URL parameter working as a…