This will take a bit of time, also make sure no other disks or external drives are mounted as this may produce an error – what you should end up when finished is a “MacOS X Client 10.7 11A511.dmg” filed in this path: InstaDMG/InstallerFiles/InstallerDiscs/MacOS X Client 10.7 11A511.dmg If for some reason you have a disk and want to import it the traditional way in InstaDMG, pop in the disk let it mount in the finder then in the Terminal cd into your InstaDMG and run the import command as below with “sudo”, it needs to be imported as burning images straight from hard disk is a lot faster than from optical disk. If you have the InstallESD.dmg from Lion just put/copy it in the path below and move onto the next section: InstaDMG/InstallerFiles/InstallerDiscs/InstallESD.dmg The solution is to extract the InstallESD.dmg from the Lion.app after it is downloaded from the App Store and before it is installed, as when it is installed the app is then deleted – this shows how to reveal the InstallESD.dmg and also a guide to burn a generic copy of 10.7 to disc. Curent revision is at 453 and includes incremental updates to OS X 10.7.4.Īfter the InstaDMG is downloaded the next step is to make a base installation image of OS X 10.7, this has been done in the past through the generic installer disks of OSX, but since OSX 10.7 Lion is diskless it poses a slight problem. Here there is no updated files and the revision is stated at 453, any updated files downloaded would be named and a higher revision number will be declared. To download the latest version of InstaDMG all that is needed is to move into the installation directory where InstaDMG lives and run a ‘svn’ update, so for example if the install directory is “InstaDMG” and in your home directory you would run: : cd ~/InstaDMG/ InstaDMG is constantly updated to deal with the OS X updates from Apple. Running the command will download and install the required files, the last of the file downloads will have output from the Terminal similar to below : A trunk/Documentation/InstallerChoices/READMEĪ trunk/Documentation/InstallerChoices/10.6_InstallerChoices.xml The command below put you in your home directory and will download the code and create a folder in your home directory called ‘InstaDMG’, you can name this folder anything you like and note that it is presented as an option after the main command if you do not add the option the files will be located in a directory called ‘trunk’ (which can be renamed). Svn is Subversion and is an Open Source version control system for managing evolving code and its built into OSX. This all works through the command line interface as there is no GUI layer for InstaDMG yet, so launch Terminal from Applications > Utilities > Terminal and change into your home directory and download the InstaDMG code using the ‘svn checkout’ command.
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