How to make an OS X Sierra DVD Installer

Make sure you have downloaded the Sierra Installer package from the Mac App Store, and placed it in your Applications folder. Then open a command line Terminal. Paste these commands into the terminal. The resulting DVD iso will be on your desktop when completed correctly.

hdiutil attach /Applications/Install\ macOS\ Sierra.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app

hdiutil create -o /tmp/Sierra.cdr -size 7500m -layout SPUD -fs HFS+J

hdiutil attach /tmp/Sierra.cdr.dmg -noverify -nobrowse -mountpoint /Volumes/install_build

asr restore -source /Volumes/install_app/BaseSystem.dmg -target /Volumes/install_build -noprompt -noverify -erase

rm /Volumes/OS\ X\ Base\ System/System/Installation/Packages

cp -rp /Volumes/install_app/Packages /Volumes/OS\ X\ Base\ System/System/Installation/

cp -rp /Volumes/install_app/BaseSystem.chunklist /Volumes/OS\ X\ Base\ System/BaseSystem.chunklist

cp -rp /Volumes/install_app/BaseSystem.dmg /Volumes/OS\ X\ Base\ System/BaseSystem.dmg

hdiutil detach /Volumes/install_app

hdiutil detach /Volumes/OS\ X\ Base\ System/

hdiutil convert /tmp/Sierra.cdr.dmg -format UDTO -o /tmp/Sierra.iso

mv /tmp/Sierra.iso.cdr ~/Desktop/Sierra.iso

A bootable iso file called Sierra.iso will then appear on your desktop and you can use this to burn it to a dual layer dvd.

How to make an El Captain DVD Installer Disk

A long while back, I was asked to do a write up on making a DVD Installer Disk for OS X El Capitan.

I’m sorry it took me so long to do this, I just got wrapped up in life, and simply forgot. So, below is a script to automate the process. If you don’t want to run a script, you can copy/paste the individual commands into a terminal session. This will put an installer iso on your desktop. Just burn the resulting iso onto a DL DVD. It’s bootable, installable, and can be used to create a vm if wanted.  Make sure you have downloaded the full El Capitan Installer from the App Store, and placed it into the Applications folder before starting.

#!/bin/bash

# Mount the installer image
hdiutil attach /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app

# Create the ElCapitan Blank ISO Image of 7316mb with a Single Partition - Apple Partition Map
hdiutil create -o /tmp/ElCapitan.cdr -size 7316m -layout SPUD -fs HFS+J

# Mount the ElCapitan Blank ISO Image
hdiutil attach /tmp/ElCapitan.cdr.dmg -noverify -nobrowse -mountpoint /Volumes/install_build

# Restore the Base System into the ElCapitan Blank ISO Image
asr restore -source /Volumes/install_app/BaseSystem.dmg -target /Volumes/install_build -noprompt -noverify -erase

# Remove Package link and replace with actual files
rm /Volumes/OS\ X\ Base\ System/System/Installation/Packages
cp -rp /Volumes/install_app/Packages /Volumes/OS\ X\ Base\ System/System/Installation/

# Copy El Capitan installer dependencies
cp -rp /Volumes/install_app/BaseSystem.chunklist /Volumes/OS\ X\ Base\ System/BaseSystem.chunklist
cp -rp /Volumes/install_app/BaseSystem.dmg /Volumes/OS\ X\ Base\ System/BaseSystem.dmg

# Unmount the installer image
hdiutil detach /Volumes/install_app

# Unmount the ElCapitan ISO Image
hdiutil detach /Volumes/OS\ X\ Base\ System/

# Convert the ElCapitan ISO Image to ISO/CD master (Optional)
hdiutil convert /tmp/ElCapitan.cdr.dmg -format UDTO -o /tmp/ElCapitan.iso

# Rename the ElCapitan ISO Image and move it to the desktop
mv /tmp/ElCapitan.iso.cdr ~/Desktop/ElCapitan.iso