

Great, you’ve got El Capitan installed! Apple had some issues with certificates and people found a way to either use the above commands for installation or you’ll have to tinker with your Macs time settings so that the signature is valid again. You will not see any sort of progress display.

Open the Terminal from inside the Recovery Mode.You’ll need enough space on that Disk to extract the pkg and it needs to be writeable Attach an external Disk which contains the downloaded pkg from Apple.Luckily I’ve found this blog post from Chris Warrick who explained how to extract the installer App from the package: You cannot execute the package installer in Recovery Mode to extract the media. The 2009 MacbookPro is already wiped and has only access to the recovery mode.However, I need access to the installer so that I’m able to use the createinstallmedia command.

I cannot use the package installer from the download provided by Apple to create the installer App for El Capitan. I’ve only got a Mac with Big Sur and Apple Silicon.I’ve wiped all data from the installed SSD and had to boot from an external disk. It’s the model MacbookPro5.5 and Apple supports macOS El Capitan 10.11 as latest available version. In this document, I will guide you how to install Mac OS 10.11 on VMWare.First of all, you must ensure that your computer have been install VMWare.VMWare version 12 is highly recommend. Find out how to install Apple's new Mac OS X El Capitan operating system.
