Install your Bootloader targeting the OS X Base System volumeġ0. Sudo -schmod -R 755 /Volumes/OS X Base System/Library/Extensionschown -R 0:0 /Volumes/OS X Base System/Library/Extensionstouch /Volumes/OS X Base System/System/Library/Extensionskextcache -u /Volumes/OS X Base Systemexit Any errors should be noted but the output below is normal e.g.ĩ. Back in terminal, type the following lines, followed by after each line to rebuild the prelinkedkernel…. VoodooPS2Controller.kext for laptops) into the /Library/Extensions folder of the installer USB using Finder.Ĩ. Copy FakeSMC.kext and other necessary kexts (e.g. Delete or Rename the original /System/Library/PrelinkedKernels/prelinkedkernel -> OG.prelinkedkernelħ. NB It is found in the 'Essentials.pkg' in /System/Installation/PackagesĦ. Extract/Copy the El Capitan Kernels folder into /System/Library/ of the USB with Pacifist. Click on the lock icon and untick “Ignore ownership on this volume”ĥ. Right click on the “OS X Base System” Volume and click “Get Info”Ĥ. Sudo -shdiutil attach /Applications/Install OS X El Capitan.app/Contents/SharedSupport/InstallESD.dmgasr restore -source /Volumes/OS X Install ESD/BaseSystem.dmg -target /Volumes/Installer -erase -format HFS+ -noprompt -noverifyrm /Volumes/OS X Base System/System/Installation/Packagescp -av /Volumes/OS X Install ESD/Packages /Volumes/OS X Base System/System/Installationcp -av /Volumes/OS X Install ESD/BaseSystem.dmg /Volumes/OS X Install ESD/BaseSystem.chunklist /Volumes/OS X Base Systemdiskutil unmount /Volumes/OS X Install ESDexit 3. The image restore and file copying may take a while to complete, and at the end of the process, the Installer volume is renamed to “OS X Base System'.
Open OS X terminal and type the following lines, followed by after each line.
Boot into Yosemite with the kext-dev-mode=1 boot flagĢ. Specifically, it is also a “Proof of Concept” which shows that installation is possible without even having to rely on boot loader kext injection.Įxisting Yosemite installation (or Mavericks - see post#4 for steps 7,8) “Install OS X El Capitan.app' downloaded to the Applications folder Pacifist FakeSMC.kext - Slice or Kozlek branch Bootloader - Clover or Chameleon 8GB or larger USB drive (16GB recommended), formatted HFS+ (MBR or GUID) named “Installer”ġ. It is tailored for those users who want to understand the “nuts and bolts” of how to create an installer and also to help brush up on their terminal skills (rather than have one made for them with the numerous automated “tools” available or even Apple’s createinstallmedia) : This is a brief guide on how to create a vanilla El Capitan (also same process for Sierra) OS X Installer USB with an updated prelinked kernel containing FakeSMC.
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