Create a bootable ISO of macOS Catalina 10.15 (Bonus: With bootable USB too!)

By | February 19, 2020

How to make a bootable ISO of macOS Catalina I previously wrote up my version of creating a macOS Mojave and Sierra HERE and HERE. I’m updating it for macOS Catalina 10.15 First, navigate to the macOS Download page in the App Store and choose “GET”. Depending on whethere there’s a local copy or not,… Read More »

Creating a bootable macOS High Sierra USB installation media

By | December 21, 2018

In a previous post, I discussed creating a macOS High Sierra installation ISO. Well, these days it’s usually easier to just use a USB stick to get the job done. I have an older laptop at home that I use as a backup. It’s a mid-2011 MacBook Air, and the most recent OS it can… Read More »

[BROKEN – see comments for the fix!] Creating a macOS 10.14 Mojave installation ISO

By | September 28, 2018

I previously wrote up my version of creating a macOS High Sierra ISO HERE. NOTE: This is now broken! Please read the comments by others below. I’ll try to update this at a future time, and create a new clean one for Catalina as well! THANK YOU ALL! For Mojave there’s a fix that needed… Read More »

Creating a macOS High Sierra installation ISO

By | January 19, 2018

Over the years I have created/extracted installation ISOs from the downloadable upgrades that Apple uses. Each time something changes slightly. I searched on the web and found lots of broken instructions from the Beta period. Finally I found one that “worked” at MacRumors.  But it doesn’t work. So I stepped through it line by line,… Read More »

Switching ssh to run on an alternate port on macOS High Sierra

By | January 19, 2018

In order to get the ssh daemon to run on an alternate port, I decided to launch an second ssh daemon (let’s call it “ssh-2”) instead of messing with the main one. This has the benefit of being more resistant to any issues with macOS software updates. It also means you won’t screw up your… Read More »