Create Fake “Install OS X Mountain Lion.app" for use with Unibeast from InstallESD.dmg

Unibeast needs Install Mac OS X Mountain Lion.app inside the /Applications folder.

But what if I only have InstallESD.dmg ?

Below is what I did. In Terminal.app, do:


$ cd /Applications
$ mkdir -p "Install OS X Mountain Lion.app/Contents/SharedSupport"
$ cp InstallESD.dmg "/Applications/Install OS X Mountain Lion.app/Contents/SharedSupport/"

Then open Unibeast, it should pick up InstallESD.dmg.

When Unibeast installs to my flash drive, The estimated time goes up to whopping 7hrs. I opened Disk Utility.app to see the used space of the flash drive, it was increasing. So I ignored the estimated time. At last the installation time did end up in about 5 minutes.

7 thoughts on “Create Fake “Install OS X Mountain Lion.app" for use with Unibeast from InstallESD.dmg

    • 文章裏面有寫啦
      $ cp InstallESD.dmg "Applications/Install OS X Mountain Lion.app/Contents/SharedSupport/"
      請自己研究一下文字界面的使用。這些操作我印象中沒辦法用圖形界面完成。

      • 上述指令已經可以了 謝謝你^^..
        用Unibeast已經可以執行 (沒有出現Unibeast needs…./Applications folder.)
        不過大概我的InstallESD.dmg 有問題…安裝到USB時候
        選項中並沒有 " Mac App Store-Install Mac OS X LIon"
        我再重新找installESD.dmg 試試看

  1. $ cp InstallESD.dmg “Applications/Install OS X Mountain Lion.app/Contents/SharedSupport/"
    喔對了學長的教學這行Applications前面少打一個"/"
    cp InstallESD.dmg “/Applications/In………………..

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