Last login: Tue Aug 11 09:49:09 on ~ % hdiutil create -o /tmp/Catalina -size 8900m -volname Catalina -layout SPUD -fs HFS+JĬreated: ~ % hdiutil attach /tmp/Catalina.dmg -noverify -mountpoint /Volumes/Catalina Hi, I’ve tried following the instructions several times but keep getting the same error: Hdiutil convert ~/Desktop/InstallSystem.dmg -format UDTO -o ~/Desktop/Mojave.iso Hdiutil detach /Volumes/Install\ macOS\ Mojave Sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia -volume /Volumes/install_build Hdiutil attach /tmp/ -noverify -mountpoint /Volumes/install_build hdiutil create -o /tmp/Mojave.cdr -size 6g -layout SPUD -fs HFS+J Use all the commands one by one inside the terminal.
How to create mac os iso iso#
These are the commands that the lamehacker inside the Github used it to create a macOS Mojave DMG and ISO file. Step by step guide to create macOS Mojave ISO DMG File mv ~/Desktop/Catalina.cdr ~/Desktop/Catalina.iso In the final step you have to rename and move the file to the desktop using the below command. hdiutil convert /tmp/Catalina.dmg -format UDTO -o ~/Desktop/Catalina.cdr To do that follow the below procedures.įollowing the above steps after creating the macOS 10.15 Catalina DMG file, type the below command in the Terminal. So, to create an ISO file of the macOS 10.15 Catalina, you have to convert the macOS 10.15 DMG file to an ISO file.
How to create mac os iso how to#
How to Create macOS Catalina ISO File?īasically you can not create the macOS 10.15 Catalina ISO, as you did to the dmg file. Now follow the below instructions to create a macOS 10.15 Catalina ISO File. That’s all How you can create a Bootable macOS 10.15 Catalina DMG file using the terminal.
hdiutil detach /volumes/Install\ macOS\ Catalina\
Now you have to unmount the create Installer. sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/Catalina -nointeraction Here you are about to change the DMG file to an Installer using the following command. Hdiutil attach /tmp/Catalina.dmg -noverify -mountpoint /Volumes/Catalina
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