If like me you have an old Macbook pro and the optical drive has decided to lay down and die, then it's a bit of a problem upgrading the OS if you don't have the App Store.
I wanted to upgrade to Mountain Lion but the version was pre-Snow Leopard (I should have noted the version as I'm writing about it!).
Trouble is, to get from ye-olde version to Mountian Lion I needed to get the App Store, and to do that I need Snow Leopard, which comes on a DVD and will then let me get to the App store. Easy.
I needed to place the Snow Leopard DVD into the drive on my iMac (Mountain Lion), share the DVD drive by selecting Sharing in System Properties.
Then, I needed Remote disc on the old Macbook Pro. Problem is, it's only on newer kit. Well actually it's not. It's actually there, I just needed to configure it.
Open terminal on the Macbook and type:
defaults write com.apple.NetworkBrowser EnableODiskBrowsing -bool true
then
defaults write com.apple.NetworkBrowser ODSSupported -bool true
Then restart the Macbook and in the Finder's sidebar there will be a disc icon. Click on it and off you go.
You can install from there. Fantastic I thought.
I went into System Preferences, Energy Saving, on both computers and set the computers not to go to sleep.
Installing across wifi took 3.5 hours then failed.
I tried again. It failed after the remote drive became unavailable.
I got a router and two cables and networked them together so it would be quicker but now the macbook tells me the HD is damaged.
I ran disk utility on it all it says it's fine so the media is ok.
Pooh.
Remote Disc was working, but I couldn't upgrade the OS with it.
In the end I,
1. Created an ISO of Snow Leopard
2. Formatted a memory stick (journaled)
3. Put the ISO on the stick and installed from there.
It worked - not entirely though. An issue with Spotlight remains that I haven't had time to resolve.
Oh - and my only Macbook is too old for Mountain Lion, or Lion. :)
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