If you have Homebrew or MacPorts, you can get a progress bar by installing the "pv" command and using that instead of "cat". No progress is shown while writing this way. You will be prompted for the administrator's password. r is for raw disk, as writing to /dev/rdisk2 is much faster than writing to /dev/disk2. dev/rdiskN is the same disk you have found previously, with an r in front. # sudo sh -c "cat /path/to/downloaded.iso > /dev/rdiskN" Where /dev/diskN is the one you have found in previous step as per our example it would be "/dev/disk2". In this case "/dev/disk2" is the one we want. Then note the corresponding /dev/diskN, where "N" is for index of your disk. This will print out the list of currently mapped devices/partitions. Plug-in your USB stick and find what "/dev/diskN" it is mapped to by opening Terminal (where "N" stands for "disk0", "disk1", "disk2" etc). It now contains a bootable openSUSE installation media. The process of burning can last from 1 to up to 30 minutes depending on your drive and on the iso file. The drive can be reformatted and used as a normal drive again after the setup is finished. After you’ve done this, click the Erase button.Warning: All data on the drive will be destroyed. Name the partition you’ll be creating Snow Leopard or OS X Install so you can keep track of your installation device. First, make sure your USB drive is formatted for use with a Mac, then download the OS X Lion installer from the App Store and copy it to your flash drive. Select the Erase tab on the right and then set Format to Mac OS Extended (Journaled). Open Disk Utility and select the Flash Drive.If the USB drive is not bootable you will NOT be able to install from it. This includes updating the options for the partition so that it is set to a GUID partition. NOTE: Depending on your flash drive, you may need to follow steps 5 – 7 on installing onto a USB drive to make sure the drive is bootable before you get start. 8GB USB drives are now incredible cheap – here is one for under $5.Īfter you’ve gotten the correct USB device, connect it to your Mac and prepare it with the Snow Leopard installation files by following these steps: The installation files are 6.2gb on the Snow Leopard DVD, so you’ll probably need a USB drive that has at least 8gb available. Like many of our other Mac Help articles, the steps listed below worked particularly for Snow Leopard but should also work for installing OS X from USB on Leopard. To do this, you’ll need to prepare your USB drive with the installation files. This is especially beneficial to Macbook Air users looking to install the OS without a DVD drive. Like other versions of OS X, Snow Leopard can be installed from a USB drive. With the operating system available to customers, individuals are ready for their upgrades. It was one of the most well received versions of OS X before Apple transitioned to calling their primary Mac operating system MacOS.Īt version 10.6, Snow Leopard, focused more on improving speed and performance than adding new features to OS X. Alternatively, you can also read these instructions on how to install OS X Lion from a USB Flash Drive.Īpple officially released Snow Leopard in 2009. The steps below will guide you through how to Install OS X Snow Leopard from a USB Flash Drive.
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