Skip to content

The Eclectic Light Company

Macs, painting, and more
Main navigation
  • Downloads
  • M1 Macs
  • Mac Problems
  • Mac articles
  • Art
  • Macs
  • Painting

macOS 10.15

No Big Sur in Remote Recovery (Intel)

If you try booting into Big Sur in Remote (Internet) Recovery, you’ll get Catalina instead. But nowhere does Apple alert users to this problem.

December 31, 2020 Macs, Technology

Getting unnotarized apps out of quarantine

How Catalina and Big Sur handle the first run of apps which have their quarantine flag set. With details of log entries seen in both steps needed for approval.

November 19, 2020 Macs, Technology

Which firmware should your Mac be using? (version 5)

macOS 11.2 Big Sur brings EFI firmware updates for all supported models. This article lists the firmware versions […]

November 16, 2020 Macs, Technology

Checks on executable code in Catalina and Big Sur: a first draft

How macOS checks executable code before it’s loaded and run, in macOS 10.15 and 11.0. Covering integrity checks using hashes, and validity of the signing certificate, on Intel and ARM.

November 16, 2020 Macs, Technology

Apple updates for every Mac: a summary of the last days

A summary of all the macOS updates released over the last three days, to help you catch up with any you’ve missed.

November 14, 2020 Macs, Technology, Updates

Wrangling file paths in Catalina and Big Sur

Volume layouts are fairly straightforward until you have two or more bootable systems with Volume Groups. Details and advice for those with macOS 10.15 or 11.

November 9, 2020 Macs, Technology

Apple has released Catalina 10.15.7 Supplemental Update

Apple has just released macOS Catalina 10.15.7 Supplemental Update, which weighs in at around 1.2 GB and includes […]

November 5, 2020 Macs, Technology, Updates

SystHist now works fully with Catalina and Big Sur

New version can display contents of all system updates for Catalina and Big Sur’s boot volume group, at last.

November 3, 2020 Macs, Technology, Updates

Last Week on My Mac: Are silent security updates a vulnerability?

The update to MRT 1.68 has caused problems with many Macs. Even if their cause is discovered, fixing them is usually long and complex. That silent security update is causing a denial of service.

October 25, 2020 Macs, Technology

Why have my HP printers stopped working? How to check their software signature

Many users are today reporting that their HP printer software has suddenly stopped working, with worrying messages implying […]

October 23, 2020 Macs, Technology

Posts navigation

Previous 1 2 3 4 … 36 Next
Blog at WordPress.com.
Footer navigation
  • About & Contact
  • Macs
  • Painting
  • Language
  • Tech
  • Life
  • General
  • Downloads
  • Mac problem-solving
  • Extended attributes (xattrs)
  • Painting topics
  • Hieronymus Bosch
  • English language
  • LockRattler: 10.12 Sierra
  • LockRattler: 10.13 High Sierra
  • LockRattler: 10.11 El Capitan
  • Updates: El Capitan
  • Updates: Sierra, High Sierra, Mojave, Catalina, Big Sur
  • LockRattler: 10.14 Mojave
  • SilentKnight, silnite, LockRattler, SystHist & Scrub
  • DelightEd & Podofyllin
  • xattred, Metamer, Sandstrip & xattr tools
  • 32-bitCheck & ArchiChect
  • T2M2, Ulbow, Consolation and log utilities
  • Cirrus & Bailiff
  • Taccy, Signet, Precize, Alifix, UTIutility, alisma
  • Revisionist & DeepTools
  • Text Utilities: Nalaprop, Dystextia and others
  • PDF
  • Keychains & Permissions
  • LockRattler: 10.15 Catalina
  • Updates
  • Spundle, Cormorant, Stibium, Dintch, Fintch and cintch
  • Long Reads
  • LockRattler: 11.0 Big Sur
  • Mac Troubleshooting Summary
  • M1 Macs
Secondary navigation
  • Search

Begin typing your search above and press return to search. Press Esc to cancel.

Cancel

 
Loading Comments...
Comment
    ×