sudo dd bs=1m if=~/ installer.img of=/dev/rdisk1.In the terminal write the image to the card with this command, using the raw disk device name from above (read carefully the above step, to be sure you use the correct rdisk# here!):.recheck by using the df -h command both before & after you insert your SD card reader into your Mac if you have any doubts!): Similarly you might have another SD drive name/number like rdisk2 or rdisk4, etc. Make sure the device name is the name of the whole SD card as described above, not just a partition of it (for example, rdisk3, not rdisk3s1. Using the device name of the partition work out the raw device name for the entire disk, by omitting the final “s1” and replacing “disk” with “rdisk” ( this is very important: you will lose all data on the hard drive on your computer if you get the wrong device name).(or: open Disk Utility and unmount the partition of the sdcard (do not eject it, or you have to reconnect it).Unmount the partition so that you will be allowed to overwrite the disk:.Record the device name of the filesystem’s partition, e.g. Run df -h again and look for the new device that wasn’t listed last time.Connect the sdcard reader with the sdcard inside.
(or: just double click the zip, it will extract automatically).Verify if the the hash key is the same (optional), in the terminal run:.These commands and actions need to be performed from an account that has administrator privileges.
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