View source for Enable SSH Without Opening the Apple TV

==Parts Needed==
*External USB drive
*boot.efi from appletv. 
   MD5SUM: 280323d8700e4cfef15116f7e50590e3  boot.efi 
   (got it from the recovery image ''Zuo'')
*licensed copy of os x for intel
*usb hub w/ external power

==Instructions==
<font color=red>THE METHOD DESCRIBED BELOW ASSUMES THE USB DRIVE OR IPOD YOU ARE INSTALLING TO IS EMPTY AND HAS NO DATA THAT YOU CARE ABOUT.  PLEASE USE CAUTION</font>

== Step 1 ==
Install full Mac OS X onto the device, using semthex's kernel and instructions detailed here: [http://www.appletvhacks.net/2007/04/01/mac-os-x-running-on-apple-tv/ Apple TV Hacks - Mac OS X running on Apple TV]. If you want to avoid having to use a keyboard and mouse through a USB hub later, boot up the installation before you change the kernel and activate SSH and/or Remote Desktop/VNC server in the Sharing preference pane.

If you're installing to a small device you'll want to read the instructions for a minimal install [[Patchstick/Testing|Here]].

== Step 2 ==
Modify the AppleFileSystemDriver, add this text to the file <tt>/System/Library/Extensions/AppleFileSystemDriver.kext/Contents/Info.plist</tt> in the IOPropertyMatch array section.  This can be done easily in the Finder with the TextEdit application.<br>
<pre>
&lt;dict&gt;
        &lt;key&gt;Content Hint&lt;/key&gt;
        &lt;string&gt;5265636F-7665-11AA-AA11-00306543ECAC&lt;/string&gt;
        &lt;key&gt;Leaf&lt;/key&gt;
        &lt;true/&gt; 
&lt;/dict&gt; 
&lt;dict&gt;  
        &lt;key&gt;Content Hint&lt;/key&gt;
        &lt;string&gt;Apple_Recovery&lt;/string&gt;
        &lt;key&gt;Leaf&lt;/key&gt;
        &lt;true/&gt; 
&lt;/dict&gt; 
</pre>
<b>Very special thanks to [http://0xfeedbeef.com/appletv/ Turbo] for this patch</b>. If you skip this step then OSX won't boot and will complain that it is waiting for the root device<br>

== Step 3 ==
Now we are going to change the partition info to that of a recovery system.  This requires the use of the Terminal application. <font color=red>It is imperative that you ensure you are working with the proper disk.</font>  If you have only one internal hard disk in your system and the disk you want to modify is your only external disk, then it will likely be identified as <tt>/dev/disk1</tt>.  To make sure, type <tt> diskutil list</tt> at the command prompt to see all disks attached to your system.

Then, assuming <tt>/dev/disk1</tt> is the correct disk,  using the command <tt>sudo gpt show /dev/disk1</tt>  should get results such as these:
<pre>
      start       size  index  contents
          0          1         PMBR
          1          1         Pri GPT header
          2         32         Pri GPT table
         34          6         
         40     409600      1  GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
     409640  116538416      2  GPT part - 48465300-0000-11AA-AA11-00306543ECAC
  116948056     262151         
  117210207         32         Sec GPT table
  117210239          1         Sec GPT header
</pre> 
Where <tt>index 1</tt> is the EFI partition and <tt>index 2</tt> is the Mac OS X installation.

<font color=red>THE FOLLOWING INSTRUCTIONS ASSUME <tt>/dev/disk1</tt> IS YOUR EXTERNAL DRIVE. YOU CAN BREAK YOUR SYSTEM IF IT ISN'T.</font>

First unmount the disk.  Otherwise you will get a 'Resource busy' error.

<pre>
disktool -u disk1
</pre>

Now do this to set up the drive to work as a recovery partition:<br>
<pre>
gpt remove -i 2 /dev/disk1
</pre>
Then take the numbers from above and plug them in respectively, for me the start point is 409640 and the size is 116538416<br>
<pre>
gpt add -b 409640 -i 2 -s 116538416 -t 5265636F-7665-11AA-AA11-00306543ECAC /dev/disk1
</pre>

== Step 4 ==
Remove the drive from your Mac and connect it to the Apple TV. If you didn't activate SSH or Remote Desktop/VNC, use a USB hub so you can also connect a keyboard and mouse. Reboot the Apple TV by pressing and holding the 'menu' and '-' buttons simultaneously on the Apple remote until the reboot occurs. If you activated SSH and Remote Desktop/VNC, just log in when the Apple TV is done booting.

The ATV OS is on the partition labled 'OSBoot'. Instructions for enabling SSH are located [http://wiki.awkwardtv.org/wiki/Install_SSH here].   I used [http://phoem.com/appletv-install.sh appletv-install.sh] to copy the necessary files (<tt>gdb</tt> will probably fail, that is ok you can ignore it).  Be sure to enable ssh on your Mac OS X install before you run this script so that it copies the <tt>ssh.plist</tt> file that has sshd enabled and not disabled.


The below is redundant, apparently you can also use mount_hfs to mount your partition, but I have documented success using the below method also - MrZ

If you mess up and want to mount your "repair" partition again, you can just reverse the steps, but change

<pre>
gpt add -b 409640 -i 2 -s 116538416 -t 5265636F-7665-11AA-AA11-00306543ECAC /dev/disk1

to

gpt add -b 409640 -i 2 -s 116538416 -t 48465300-0000-11AA-AA11-00306543ECAC /dev/disk1
</pre>

The repair partition shows up again on your machine, and you can edit it.

==References==
*[http://0xfeedbeef.com/appletv/usbboot http://0xfeedbeef.com/appletv/usbboot]
*[http://phoem.com/appletv-without-open.html http://phoem.com/appletv-without-open.html]

[[Category:How-to]][[Category:Software]][[Category:Hardware]]