This is it, you have a bootable OS X usb drive. From the first iso, obtained on step 3, copy BaseSystem.chunklist and BaseSystem.dmg on the thumb drive (actually, the latter might not be necessary - but it worked for me at this step and I stopped experimenting). Open your Applications folder and double-click the macOS installer, named Install Version Name. Stay better focused on your work in Dark Mode. pkg file, then follow the onscreen instructions to install the macOS installer into your Applications folder. Download macOS Mojave - macOS Mojave brings new features inspired by its most powerful users, but designed for everyone. Mount the thumb drive (you might need to apt-get install hfsprogs to mount an HFS filesystem). dmg file to open it and see the package (.pkg) file within. In my case (High Sierra 10.13.6), 4Gb stick was sufficient, even though createinstallmedia requires 8Gb. iso as well ( dmg2iso -i BaseSystem.dmg -o BaseSystem.iso)Ĭopy it to a thumb drive: dd if=BaseSystem.iso of=/dev/sdX BS=1M. iso įind BaseSystem.dmg in the mounted image. You can do it from GUI (right click, "Open with disk image mounter") or something like mount -o loop. Requires a FaceTime or iSight camera (built-in or external), or USB video class (UVC) camera. So, you'll need to find an alternative source.Ĭonvert. These Mac models are compatible with macOS Mojave: MacBook (Early 2015 or newer) MacBook Air (Mid 2012 or newer) MacBook Pro (Mid 2012 or newer) Mac mini (Late 2012 or newer) iMac (Late 2012 or newer). This question on apple support has all the links, but they are only accessible from OS X (if you had access to a live OS X at this point - you probably would've just used createinstallmedia already, right?). Unlike El Capitan, High Sierra only needs BaseSystem.dmg, which also has enough free space to boot - so, the process overall can be simplified a bit. dmg file with the macOS installation files. Click the Yes button to confirm the erase of the USB flash drive data. So, leaving it here in case somebody else will need to. Right-click the USB flash drive and select the Restore with Disk Image option from the left pane. I recently had to make a High Sierra 10.13.6 bootable USB drive, and the process turned out a bit more involved that just dd-ing the dmg2img-generated ISO to a thumb drive.
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