Difference between revisions of "Create a bootable SDHC from a Mac"

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(Guide to creating a bootable Raspberry Pi Alpine Linux installation using a Mac)
 
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'''Prepare SDHC'''
 
'''Prepare SDHC'''
 +
 
Insert SDHC card in Mac (if new, it's likely to be formated FAT32)
 
Insert SDHC card in Mac (if new, it's likely to be formated FAT32)
Open Terminal (Accessories > Terminal)
+
 
Run the following:
+
Open Terminal (Accessories > Terminal) and run the following:
df -h  
+
 
(look for the name of your sdhc device, something like /dev/disk2s1 it's critical you find the correct name, you can loose your hard drive data if you get it wrong)
+
<code>df -h</code>
sudo diskutil umount /dev/disk2s1
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sudo fdisk -e /dev/disk2s1
+
look for the name of your sdhc device, something like /dev/disk2s1 it's critical you find the correct name, you can loose your hard drive data if you get it wrong)
(ignore fdisk error: could not open MBR file /usr/standalone/i386/boot0: No such file or directory)
+
 
p
+
</code>sudo diskutil umount /dev/disk2s1
 +
 
 +
sudo fdisk -e /dev/disk2s1</code>
 +
 
 +
Ignore fdisk error: could not open MBR file /usr/standalone/i386/boot0: No such file or directory
 +
 
 +
<code>p
 +
 
 
f 1
 
f 1
 +
 
write
 
write
exit
+
 
sudo diskutil mount /dev/disk2s1
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exit</code>
 +
 
 +
Lets remount the disk
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 +
<code>sudo diskutil mount /dev/disk2s1</code>
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open alpine rpi tar.gz file and expand into a new folder
 
open alpine rpi tar.gz file and expand into a new folder
 +
 
copy contents of that new folder to card
 
copy contents of that new folder to card
 +
 
click eject card in Finder
 
click eject card in Finder

Revision as of 04:15, 28 May 2015

Download alpine rpi file

Prepare SDHC

Insert SDHC card in Mac (if new, it's likely to be formated FAT32)

Open Terminal (Accessories > Terminal) and run the following:

df -h

look for the name of your sdhc device, something like /dev/disk2s1 it's critical you find the correct name, you can loose your hard drive data if you get it wrong)

sudo diskutil umount /dev/disk2s1

sudo fdisk -e /dev/disk2s1

Ignore fdisk error: could not open MBR file /usr/standalone/i386/boot0: No such file or directory

p

f 1

write

exit

Lets remount the disk

sudo diskutil mount /dev/disk2s1

open alpine rpi tar.gz file and expand into a new folder

copy contents of that new folder to card

click eject card in Finder