The Mac OS X El Capitan 10.11.1 DMG is the twelfth major release of OS X providing different enhancements and many new features. The method described above was found on ( ).Download Mac OS X El Capitan 10.11.1 DMG free latest standalone offline setup. The can be renamed to ElCapitan.iso, and can be used in virtualization software like VirtualBox 5. $ hdiutil convert -format UDTO -o ElCapitan3.isoĬreated: /Users/antek/vm/ĭone. Last step is to convert our ISO file into the UDTO format. $ hdiutil detach /Volumes/OS\ X\ Base\ System $ cp -rp /Volumes/esd/BaseSystem.dmg /Volumes/OS\ X\ Base\ System/Īfter that, we can unmount stuff we don't need anymore: $ hdiutil detach /Volumes/esd $ cp -rp /Volumes/esd/BaseSystem.chunklist /Volumes/OS\ X\ Base\ System/ We're going to copy some additional installer dependencies as well. $ cp -rp /Volumes/esd/Packages /Volumes/OS\ X\ Base\ System/System/Installation
We're going to copy this directory from the ESD image that we have mounted few steps earlier.
Instead of this link, we need a proper directory, full of package files. We're going to put some files into this directory.įirst of all, remove an invalid link that won't be needed here: $ rm /Volumes/OS\ X\ Base\ System/System/Installation/Packages The asr tool will automatically create a new mountpoint, /Volumes/OS X Base System. Then, we will use asr tool to populate the contents of our new drive: $ asr restore -source /Volumes/esd/BaseSystem.dmg -target /Volumes/iso -noprompt -noverify -erase $ hdiutil create -o ElCapitan3.cdr -size 7316m -layout SPUD -fs HFS+JĬreated: /Users/antek/vm/Īfter an empty ISO file will be created, we need to mount it: $ hdiutil attach -noverify -nobrowse -mountpoint /Volumes/iso Now let's create a placeholder image of our ISO file.
The -noverify and -nobrowse options are there to make mounting operation faster and to make sure that Finder will not automatically pop up. Mount this image to some directory by using the hdiutil tool: $ hdiutil attach "/Applications/Install OS X El Capitan.app/Contents/SharedSupport/InstallESD.dmg" -noverify -nobrowse -mountpoint /Volumes/esd It's not a bootable ISO that can be used to install the system on a virtual machine, but we'll get there.
There is an installation image file inside /Applications/Install El Capitan.app, named InstallESD.dmg. Start with going to AppStore and installing El Capitan, so you'll have an application named Install El Capitan in your Application list. It's very easy to create a bootable ISO image of El Capitan, if you have a working El Capitan system installed on your machine.
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