Tuesday, August 23, 2011

Using FileVaultMaster.keychain key recovery on FileVault2 Lion FDE

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Update Sep 2012 : apple has finally released some filevault doco that describes the architecture and this process. In OS X 10.7 Lion, App...
Thursday, August 11, 2011

Is this Mac OS X app compiled with ASLR?

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To determine if an OS X Mach-o binary is compiled with ASLR, look for the Position Independent Executable (PIE) flag in the Mach header: $ ...
Tuesday, August 9, 2011

Python: add an entry to an dict of arrays or create one if it doesn't exist

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I frequently am working with dictionaries of arrays and want to add an element to an existing array, or create one if it doesn't exist. ...
Friday, July 29, 2011

HOWTO install OS X from a system image

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To install OS X from a system image, first partition the disk using diskutil: diskutil partitionDisk disk0 2 GPT JHFS+ os 90% JHFS+ install...
Tuesday, July 26, 2011

64-bit errors in real programs

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There is a great article on Intel's website about real programming errors in C/C++ that surfaced as bugs when the code was compiled and...
Thursday, July 21, 2011

Mac boot options

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To enter single-user , hold down ⌘-S at boot. To get a menu of boot options (netboot, USB etc.) hold down option during boot. See the fu...

Remount a hfs partition read-write on a mac

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To remount a partition read-write on linux you would use: mount -o remount,rw /dev/disk /mnt/point On a mac the equivalent is: mount -u -w...
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