[HowTo] Create OSX ISO from the OSX Install app

Discussions about using Mac OS X guests (on Apple hardware) in VirtualBox.

Re: [HowTo] Create OSX ISO from the OSX Install app

Postby vitaly9 » 2. Mar 2019, 14:41

Hello,
Your script is trying to erase /Volumes/OS X Base System on my host macOS X?
Is this is a partition for recovery operations?
am I doing right this execution?
Last edited by vitaly9 on 2. Mar 2019, 18:33, edited 1 time in total.
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Re: [HowTo] Create OSX ISO from the OSX Install app

Postby socratis » 2. Mar 2019, 18:03

If you're referring to this:
To continue we need to erase the volume at /Volumes/OS X Base System.
If you wish to continue type (Y) then press return: N

Operation canceled.
them yes, it's part of a normal operation. That's what it's supposed to happen. This is a result of the command:

    sudo "Install macOS Mojave.app/Contents/Resources/createinstallmedia" --volume /Volumes/OS\ X\ Base\ System
where we tell the "createinstallmedia" command to create an installer on "/Volume/OS X Base System". That message is coming as a warning from the "createinstallmedia" command and it's perfectly legal.

You can continue safely, nothing to worry about...
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
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Re: [HowTo] Create OSX ISO from the OSX Install app

Postby jpaindaveine » 24. Mar 2019, 18:15

Hello,

I am trying to build an "install ISO" for El Capitan, running script on Mojave 10.14.3 from an administrator user account.

Script stops with this error message:
Code: Select all   Expand viewCollapse view
Restore the Base System into the 10.11.6 ISO image...
--------------------------------------------------------------------------------
   Validating target...done
   Validating source...done
   Retrieving scan information...done
   Validating sizes...done
   Restoring  ....10....20....30....40....50....60....70....80....90....100
   Restored target device is /dev/disk5s2.
   Remounting target volume...done
asr: Couldn't personalize volume /Volumes/OS X Base System

Do you have any idea on how to solve this issue?

Thanks a lot
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Re: [HowTo] Create OSX ISO from the OSX Install app

Postby socratis » 24. Mar 2019, 21:23

@jpaindaveine
  1. Make sure that you have the latest InstallerApp2ISO.sh.zip from the first page of this thread.
  2. You don't need to be an administrator for the 10.11 (El Capitan) ISO, but it won't hurt either.
  3. Open up a Terminal (become an admin) and run the script with the added "-v 3" command line switch. That will enable the highest verbose level.
  4. Once the script fails, save the contents of the Terminal in a text file, using Cmd+S.
  5. ZIP that text file and attach it to your reply.
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
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Re: [HowTo] Create OSX ISO from the OSX Install app

Postby fposter » 8. Apr 2019, 22:55

Like JP, I wish to run a 10.11 (El Capitan) Guest on 10.13 Host. Operating Terminal is a daunting learning curve for me. I have no experience running .sh scripts from Terminal. My several attempts at installing all ended at the UEFI (whatever?) terminal.

I have the "Install OS X El Capitan" app on my hard drive. Is running Terminal to make the ISO my only course? Are there pkg or dmg files in the contents of the installer app that could mount? Could this be done in OS' graphical interface instead of Terminal?

I have Terminal-Phobia.
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Re: [HowTo] Create OSX ISO from the OSX Install app

Postby socratis » 8. Apr 2019, 23:38

fposter wrote:Operating Terminal is a daunting learning curve for me. I have no experience running .sh scripts from Terminal.
Find someone physically local that does. Can't help you with that.

fposter wrote:Could this be done in OS' graphical interface instead of Terminal?
Not with my tool, no, sorry...
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
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Re: [HowTo] Create OSX ISO from the OSX Install app

Postby fposter » 9. Apr 2019, 00:20

When I ask a question:
"Could this be done in OS' graphical interface instead of Terminal?" and you likely know the answer to that question beyond "not with my tool", is your dismissive reply what you refer to as obfuscating requested information?
No disrespect intended beyond what is reflected from you.
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Re: [HowTo] Create OSX ISO from the OSX Install app

Postby socratis » 9. Apr 2019, 00:41

fposter wrote:and you likely know the answer to that question
I haven't done an excessive search, but when I started developing the script, there was pretty much nothing that was covering my needs. So I created my own... What did your research show?

fposter wrote:is your dismissive reply what you refer to as obfuscating requested information?
No, I would call it "reality hitting you in the face!", but it seems that not that many people appreciate an honest and straight answer...

If you don't like it you know what you can do, right? Oh, and you can also hire someone that can write a GUI app for you. Might be a tad expensive though, custom-made apps are...

fposter wrote:No disrespect intended beyond what is reflected from you.
Right... if you don't like the answer, it's a lack of respect now, is it not?
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
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Re: [HowTo] Create OSX ISO from the OSX Install app

Postby tman75 » 17. Apr 2019, 19:13

Thank you so much for the script. It works wonderfully!
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Re: [HowTo] Create OSX ISO from the OSX Install app

Postby Leon0628 » 17. Apr 2019, 22:42

Doesn't work for me on Mojave with the installer for El Capitan. The .iso is not created. There is one in /tmp but it seems to be incomplete (only 1.3 GB).
Attachments
output.txt
(24.23 KiB) Downloaded 12 times
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Re: [HowTo] Create OSX ISO from the OSX Install app

Postby socratis » 26. May 2019, 01:58

There is now a GUI app that encapsulates the functionality of the script. Working closely with user 'granada29' and the InstallerApp2ISO application was born. Check it out...
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
socratis
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Posts: 24231
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