: hdiutil attach /tmp/ElCapitan.dmg -noverify -mountpoint /Volumes/install_build
Once installed, immediately download the "Security Update 2018-004" from Apple’s support site to patch the infamous "Rootpipe" vulnerability. download iso mac os x el capitan high quality
sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/install_build --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app --nointeraction : hdiutil attach /tmp/ElCapitan
Locate the inside and use a converter tool to turn it into an ISO . Security & Verification Apple provides a disk image (
Downloading a high-quality, authentic ISO of Mac OS X El Capitan requires navigating Apple's official distribution methods, as the company does not directly provide standalone ISO files . Instead, Apple provides a disk image (