Create OS X 10.7 and OS X 10.8 ISOs on newer macs

Question

Create OS X 10.7 and OS X 10.8 ISOs on newer macs

madsmtm opened this issue a year ago · comments

💡 Description

I would like the ability to create ISOs for OS X 10.7 and OS X 10.8 on newer macs.

🩹 Alternatives Solutions + Workarounds

The script createinstalliso seems to be able to do it, but maybe I'm missing a reason why it's not possible in Mist? It seems like those OSes are still running x86_64, so the architecture should not be an issue?

ℹ️ Additional context

Could also be implemented in mist-cli. ✅

Nindi Gill · Answer 1 · Sun Sep 03 2023 22:19:24 GMT+0800 (China Standard Time)

@madsmtm if we are specifically speaking about Intel Macs, Mist is currently relying on the createinstallmedia command, which is not available in the Mac OS X Lion 10.7.5 and OS X Mountain Lion 10.8 installer app bundles.

In theory, the InstallESD.dmg found in each installer app bundle could be converted to an ISO, so without promising anything, I will investigate and report back 👍

Note: For Apple Silicon Macs, ISOs can only be created for macOS Big Sur 11 and later

Nindi Gill · Answer 2 · Sat Oct 28 2023 20:27:46 GMT+0800 (China Standard Time)

Good news 🥳 converting the InstallESD.dmg within a Mac OS X Lion or OS X Mountain Lion installer to an ISO seems to do the trick!

See: #101