How do I install Linux on bootcamp?

Restart your computer and rEFInd will appear. Select the USB or disc drive containing the Linux system and boot it on your Mac. Launch your Linux distribution’s installer and go through the installation process. On Ubuntu, launch the Install Ubuntu application from the desktop and install Ubuntu as you normally would.

Is it possible to install Ubuntu on Mac?

Apple Macs make great Linux machines. You can install it on any Mac with an Intel processor and if you stick to one of the bigger versions, you’ll have little trouble with the installation process. Get this: you can even install Ubuntu Linux on a PowerPC Mac (the old type using G5 processors).