Install Miner with EthOs with your Mac Osx

Install an usb stick with EthOs (1.2.9) on your Mac OS X

Open a Terminal (in /Applications/Utilities/)

Download (and buy) the EthOs from:
https://gpushack.com/collections/gpushack/products/ethos-16gb-digital-download
unpack the file with : xz -d ethos-1.2.9.img.xz or if you don’t have the xz decompressor use
gunzip ethos-1.2.9.img.xz
Nou you have a file called: ethos-1.2.9.img

Insert your flash media USB stick
Run: diskutil list and determine the device node assigned to your flash media (e.g. /dev/disk2)

Run diskutil unmountDisk /dev/disk2 (replace 2 with the disk)

Execute: sudo dd if=/path/to/ethos-1.2.9.img of=/dev/rdisk2 bs=1m (replace /path/to/ethos-1.2.9.img with the path where If you see the error dd: Invalid number `1m’, you are using GNU dd. Use the same command but replace bs=1m with bs=1M.
This take a while… take coffee and a lunch!
Run diskutil eject /dev/disk2 and remove your flash media when the command completes

Now you can boot de server with the USB stick and install the software on the miner…