Boot to the OS X installation DVD ... Using a cloning tool of your choosing, make a file-level clone (as opposed to "block-level") of your boot drive to a spare hard disk. Be sure to test the ...

Read now Tail OS, an operating system optimized for ... leaving the door open to verification errors that -- when Secure Boot is enabled -- block many operation systems from launching.

but when done the drive will have remapped any blocks that were not reliably read. Restore the OS installation. If you have used Time Machine to create your backup, boot to your OS X installation ...

policy to block vulnerable Linux boot loaders that could compromise OS security. Microsoft explained that the SBAT value would not be applied to dual-boot systems with both Windows and Linux on ...

With OS X El Capitan available today to the public, some have begun discovering interesting tidbits and changes the new operating system has to offer. Twocanoes (via The Loop) has discovered ...