Tag Archives: macos

Postgres database on a separate drive

In psql: CREATE TABLESPACE mytablespace LOCATION ‘/Volumes/MyVolume/postgres’; CREATE DATABASE mydatabase TABLESPACE mytablespace; Kudos to GregHNZ for posting this on StackOverflow.

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Apple Pro Display XDR: presets not showing up after firmware update

Problem: Apple Pro Display XDR not showing its built-in presets in System Preferences > Displays and clicking “Customize…” brings up an empty window.

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macOS High Sierra: Spotlight search not working — “Database mapping failed” error spammed to the system log

Solution can be found here (read the post that starts from “I’ve solved this…” by Design Complex).

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macOS High Sierra doesn’t start after updating (stuck on Apple logo) — “failed to unwrap volume key” error

The first thing you want to do when your Mac system doesn’t start is to start up into the verbose mode to see if there any error messages. Don’t try to fix the problem before diagnosing!

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“Install %OS%.app does not appear to be a valid OS installer application” (createinstallmedia error)

If you’re trying to create a bootable installer for an older macOS version (like El Capitan) with createinstallmedia, and it fails with a “does not appear to be a valid OS installer” error, quite possible the actual problem is that … Continue reading

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Downgrade any Homebrew package easily

Update from 2020: the instructions for tesseract don’t work anymore, see comments from other users below the post. I’ll use Tesseract as an example, but the same logic can be applied to any other Homebrew package.

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Sample AppleScript + Bash uninstaller

Should you ever need to write an uninstaller for your macOS app, feel free to base it on our project—written entirely in AppleScript and Bash: https://github.com/SmoothMouse/Uninstaller

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macOS kernel programming bounty to revive SmoothMouse (PAUSED)

The discontinuation of SmoothMouse seems to have upset many people. Now that the pointer lag is fixed in the newer versions of macOS, I was hoping our users would find other 3rd party mouse drivers more useful for they provide more acceleration controls than … Continue reading

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A brief note on BizonBox 2 + GTX 980

BizonBox is a Thunderbolt enclosure for PCIe videocards, assembled by Russian company Bizon specialising in selling Hackintoshes and hardware upgrades for Macs. I had a chance to get my hands on one of these devices.

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XQuartz.pkg stalls at “verifying” in El Capitan

I don’t know why OS X El Capitan sometimes fails to verify XQuartz 2.7.9 package (the process just gets stuck despite “Allow apps downloaded from anywhere” on “Enabled”). What I know, however, is that you can still install it via Terminal as easy … Continue reading

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