Then we should create bootable installer for Catalina. Hdiutil attach “path_to_new_image” -mountpoint “/Volumes/name_of_your_volume” Hdiutil create -o “path_to_new_image” -size 10g -layout SPUD -fs HFS+J

We choose SPUD partition layout (this is Apple Partition Scheme partition map with a single entry to be written) then we choose filesystem HFS+j (Apple hierarchy file system)Īfter creating image we mount it to directory for copy content to image 1 Now we should create new Catalina install image, size of image should be bigger than size of MacOS Installation directory, To better organize the work with a new image I would recommend creating a new directory. Now we need to create Installation image from “install macOS Catalina” application.

Then after installation it will be in your Applications folder: Then we will prepare image with macOS Catalina, for which we will need toĭownload Catalina installation package from App Store. This guide includes a few steps: creating Catalina image, creating patch EFI disk and disabling SIP protection.įirst of all you should install VirtualBox In this post I will tell you how install macOS Catalina to VirtualBox and disable SIP protection.

Macos virtualbox image