A correction for Mayer: A Core Duo MBP, like all 32-bit Mac/Intel systems, has 10.6.8 as its OS X ceiling.
Claudio, you should be able to install Ubuntu (or other Linux distributions) as a boot OS, although OS X 10.6/Snow Leopard is a lot easier to get and install. The key thing to remember when installing a Linux distro is that Macintoshes are not generic Wintel boxes, no matter what outsiders believe. Even when the chipsets and component numbers match the ones from Intel and component manufacturers, Apple often does special firmware. And Apple is a big enough customer that they often force the OEMs to modify the stock components to perform to Apple's specifications.
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TL; DR version? Don't expect a Linux distro installed on a non-Apple machine to boot an Apple machine; non-Mac builds are unlikely to include the drivers you'll need. A better strategy is to download an ISO compatible with your hardware, burn it to disk, boot off the disk and then install. Another technique is to install OSX, then use Apple's BootCamp utility to create a Linux partition for dual booting.
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TL; DR version? Don't expect a Linux distro installed on a non-Apple machine to boot an Apple machine; non-Mac installs are unlikely to include the drivers Mac hardware will need. A better strategy is to download a Linux install disk image compatible with your Mac hardware, burn it to an optical disk, boot off the disk and then install. Another technique is to install OSX first, then use Apple's BootCamp utility to create a Linux partition for dual booting.
The Ubuntu site has [https://help.ubuntu.com/community/MacBook1-1/Hardy|a tutorial for installation on a MacBook Pro1,1 (Core Duo)]. Their recommendation, like mine, assumes that you've already installed OS X and all the firmware updates before attempting the Linux install.
A correction for Mayer: A Core Duo MBP, like all 32-bit Mac/Intel systems, has 10.6.8 as its OS X ceiling.
Claudio, you should be able to install Ubuntu (or other Linux distributions) as a boot OS, although OS X 10.6/Snow Leopard is a lot easier to get and install. The key thing to remember when installing a Linux distro is that Macintoshes are not generic Wintel boxes, no matter what outsiders believe. Even when the chipsets and component numbers match the ones from Intel and component manufacturers, Apple often does special firmware. And Apple is a big enough customer that they often force the OEMs to modify the stock components to perform to Apple's specifications.
TL; DR version? Don't expect a Linux distro installed on a non-Apple machine to boot an Apple machine; non-Mac builds are unlikely to include the drivers you'll need. A better strategy is to download an ISO compatible with your hardware, burn it to disk, boot off the disk and then install. Another technique is to install OSX, then use Apple's BootCamp utility to create a Linux partition for dual booting.
The Ubuntu site has [https://help.ubuntu.com/community/MacBook1-1/Hardy|a tutorial for installation on a MacBook Pro1,1 (Core Duo)]. Their recommendation, like mine, assumes that you've already installed OS X and all the firmware updates before attempting the Linux install.