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tywebb

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Apple released OS X 10.11 el capitan developer beta 1 today to developers. It had build number 15A178w.

To make a bootable usb:

Format an 8 GB USB drive which should be called Untitled and formatted as Mac OS Extended (Journaled). The installer should be called Install OS X 10.11 Developer Beta.app and should be in your Applications folder.

Run this in terminal and wait about 20 minutes:

sudo /Applications/Install\ OS\ X\ 10.11\ Developer\ Beta.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ 10.11\ Developer\ Beta.app --nointeraction

You can boot up from it by selecting it from the startup manager you get when starting your computer and holding down the option key.

If the installation creates a core storage logical volume you can revert it to get partitions back to normal by running these 2 commands in terminal.

diskutil cs list

and then

diskutil coreStorage revert lvUUID

where lvUUID is the last lvUUID reported by the previous Terminal command.

Then restart for everything to get back to normal after you have run these commands in Terminal.
 
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tywebb

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DP2 has now been released to developers. It has build number 15A204h.
 

tywebb

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DP3 is out now. It has build number 15A216g.
 

tywebb

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The first el capitan public beta build 15A215h is out now from https://beta.apple.com/sp/betaprogram/welcome

To make a bootable usb format an 8 GB USB drive which should be called Untitled and formatted as Mac OS Extended (Journaled). The installer should be called Install OS X El Capitan Public Beta.app and should be in your Applications folder.

Run this in terminal and wait about 20 minutes:

sudo /Applications/Install\ OS\ X\ El\ Capitan\ Public\ Beta.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ El\ Capitan\ Public\ Beta.app --nointeraction

You can boot up from it by selecting it from the startup manager you get when starting your computer and holding down the option key.

If the installation creates a core storage logical volume you can revert it to get partitions back to normal by running these 2 commands in terminal.

diskutil cs list

and then

diskutil coreStorage revert lvUUID

where lvUUID is the last lvUUID reported by the previous Terminal command.

Then restart for everything to get back to normal after you have run these commands in Terminal.
 
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tywebb

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DP4 is out now for developers. But only as a delta update. DP2 and DP3 deltas are also available.

So to update to DP4 you have to install DP1 then DP2 then DP3 then DP4.
 

tywebb

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DP5 was released to developers today. It has build 15A235d.

PB3 is also available with build 15A234d.
 
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tywebb

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DP6 is available to developers today. Build number is 15A244d.
 

tywebb

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Public beta 4 is now available with build number 15A243d.
 

tywebb

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PB5 build 15A262e was released today replacing the accidently released build 15A262c that was released but then pulled yesterday.

Also DP7 build 15A263e was released today.
 

tywebb

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DP7 is now also available as a full installer.
 

tywebb

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To make a bootable usb for DP7 (slightly different to DP1):

Format a USB drive (preferably 16GB USB3) which should be called Untitled and formatted as Mac OS Extended (Journaled). The installer should be called Install OS X El Capitan Developer Beta.app and should be in your Applications folder.

Run this in terminal and wait about 20 minutes:

sudo /Applications/Install\ OS\ X\ El\ Capitan\ Developer\ Beta.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ El\ Capitan\ Developer\ Beta.app --nointeraction

You can boot up from it by selecting it from the startup manager you get when starting your computer and holding down the option key.

If the installation creates a core storage logical volume you can revert it to get partitions back to normal by running these 2 commands in terminal.

diskutil cs list

and then

diskutil coreStorage revert lvUUID

where lvUUID is the last lvUUID reported by the previous Terminal command.

Then restart for everything to get back to normal after you have run these commands in Terminal.
 
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tywebb

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The golden masters were released today. Developer one has build number 15A282b and public beta is 15A282a.
 

tywebb

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The first 10.11.1 beta build 15B17c was released to developers today.
 

tywebb

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This 10.11.1 beta is now also available to public beta testers.
 

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