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Discuss Create new OSX installation DVD with minimum changes at the Tiger - Hackint0sh.org; Originally Posted by blackchungo Well, So far I got to boot the install DVD. I ...
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    Quote Originally Posted by blackchungo View Post
    Well, So far I got to boot the install DVD. I used a macbook 10.4.8 DVD and the JaS 10.4.8 (Thanks Jas!, actually all credits goes to U) as reference/source for posible modifications...

    -replace /mach_kernel (8.8.1 b9)

    -replace system/library/extensions.mkext (you can generate your own. It s also posible to unpack the one from the original dvd, add the kexts needed and repack it again)

    -remove system/library/extensions folder. (I think to unpack the .mkext file into this folder instead of remove it might work too, but I didnt try this yet)

    -mod system/installation/packages/OSinstall.mpkg/contents/OSInstall.dist file. You could use BBedit, 'cos it wont change the ownership on the file. Basically, theres a couple of hardware checks at the begining. You have to remove the body of them so they look like:

    function checkSupportedMachine(machineType){

    return true;
    }

    function checkSupportedBootRom(machineType){

    return true;
    }

    function installCheckScript(){

    return true;
    }


    This file contains also all the references to the pkg files needed for the installation.
    I also rip-off all lenguage translation, printer drivers and the /xcodetool folder, just to make the image smaller enough to fit in a 4.7 DVD.... for doing that you have to delete the pkg (system/installation/packages) files itselves as well as the entries in the OSInstall.dist script.

    As far as I can tell, the mod kexts, files, etc must be installed after the essentialSystemSoftware group is done. So a PKG file with the mod files must be created and added to the DVD.....
    Also the DiskUtility app probably must by patched too as theSpam said theres a problem with the one included in the 10.4.8.

    I'll be trying out how far I can get with this.... But honestly I know jack about it, I just do it by intuition.... So any help is welcome.
    Thanks for your answers. I used pacifist to create my own pkg files. With pacifist it is possible to specify both file- locations and rights. With PackageMaker (dev tools) it is possible to edit pkg files. You'll need to edit the osinstall.mpkg file to incorporate your own pkg files. There should be a (OSInstall.mpkg/Contents/Info.plist) file in the package that you need to modify as well.

    Once you learned those tricks you might be ready for the next step. Incorporate these files into your dvd.

    http://www.apple.com/support/downloa...dateintel.html

    http://www.apple.com/support/downloa...dateintel.html

    Modify the 10.4.10 update package file and incorporate the latest hacked kernel (10.4.10) and the rights mkexts. Modify the OSInstall.mpkg once again, include both updates and and you might be able to have your own 10.4.10 install dvd

    Please post your progress and let's if I can help.
    Last edited by erhnam; 06-25-2007 at 02:48 PM.


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    Tryed to install from the mod DVD. Everything seems to go fine, but after finished the Installation the partition is not bootable (os missing message). This might be related with the diskutility app bug..... I'll replace it for an older version.
    Last edited by blackchungo; 06-25-2007 at 10:15 PM.

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    Great thread.. Should get eventually stored in tutorials section.

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    You should switch back to the version 10.4.7 of Disk Utility, which can be found in the /Applications/Utilities on the dvd. Good luck and if you need help let me know! Or you should copy the one from the 10.4.8 Jas DVD to yours.

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    All you need to do in order to fix Disk Utility is to modify the settings to change it from GPT to MBR for the partition layout.

    I don't have a 10.4.8 disk utility to go through and find the exact command... but its in the settings on the screen to create the partition...


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    About Incorporate Apple updates into the DVD I've found some difficulties:

    - I couldnt find the way to replace files (kernel, kext, etc) inside the apple packages without modifying the script sequences. If anyone could explain with a little detail how to do this would be great.

    - Seems to me that apple updates can be run only after the system has boot at least one time, so would be difficult to incorporate them in the install DVD just as they are. Correct me if Im wrong here.....

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    Considering that the original DVD is in fact a restore disc, how did you guys convert it into an installation disc?

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    Quote Originally Posted by blackchungo View Post
    About Incorporate Apple updates into the DVD I've found some difficulties:

    - I couldnt find the way to replace files (kernel, kext, etc) inside the apple packages without modifying the script sequences. If anyone could explain with a little detail how to do this would be great.

    - Seems to me that apple updates can be run only after the system has boot at least one time, so would be difficult to incorporate them in the install DVD just as they are. Correct me if Im wrong here.....
    I think you need to talk to uphuck. I don't know how he did it...

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    Ok, got the thing to install and boot. I had to replace the kernel and a couple of kext after the installation was done and replace the DiskUtility in the DVD.
    The only thing is the only way to boot is with the DVD (waiting the count off), otherways I get a blinking cursor.......
    I'll post more details later.

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    Quote Originally Posted by blackchungo View Post
    Ok, got the thing to install and boot. I had to replace the kernel and a couple of kext after the installation was done and replace the DiskUtility in the DVD.
    The only thing is the only way to boot is with the DVD (waiting the count off), otherways I get a blinking cursor.......
    I'll post more details later.
    Nice! I hope to hear more from you soon!


 

 
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