Chapter in this post:
I've been running Mojave for a few weeks without any problems. Nevertheless, it is never wrong to have a bootable USB stick with the Mojave installer - be it to help a friend with the installation or to do a "clean install" on a Mac, with the Mojave being fresh is installed on an empty disk. No matter what you need the stick for: Here are the instructions on how to create it!
Similar to previous versions of Mac OS X and macOS, an external storage medium can also be used for macOS 10.14 Mojave to back up the Apple operating system, install it or keep it ready for troubleshooting. You can also use a Mojave USB stick to upgrade multiple Macs to macOS Mojave without each one having to download the installer from the Mac App Store.
If you want to create a bootable USB stick with macOS Mojave Installer, then you need a few things. Here you will find a brief list of the individual points:
Below you will find a note on apps for the Mac that do the terminal work for you and almost automatically create a macOS Mojave boot stick. For all those who want to proceed "manually", there are first of all the terminal instructions:
sudo / Applications / Install \ macOS \ Mojave.app/Contents/Resources/createinstallmedia --volume / Volumes / NAME --nointeraction && say Mojave Stick was created
If you don't feel like using the terminal and would rather have an app issue the necessary commands, there is a solution for that too. Two even. One is the “Install Disk Creator” app from a programmer from New Zealand who runs the program at this point free to download. And on the other hand “DiskMaker X”, which you might already have from this post knows. You can find the download of the Mojave-compatible version as well as older editions of the app on the Developer website.
So now you have the macOS Mojave Installer on a USB stick from which you can boot or install the Mac operating system. To do that, do the following:
A USB stick with at least 8 GB can be used as a medium, but it should absolutely support USB 3.0. The 8 GB sticks that you can find on Amazon and Co. are mostly pretty old models. For this reason, the versions with 16 or 32 GB are often better, faster and not necessarily more expensive. If you work on Macs with USB-C ports, you can either get a combination stick with USB-A and USB-C connection or a normal USB stick with a USB-C adapter.
Here are my recommendations:
The SanDisk stick has mixed ratings because it gets warm when you use it. While using the stick (model with 128 GB), I measured its temperature and it felt “hot”, but for electronic components it was perfect. The technical values are also very good, which is why I give a recommendation for the stick. My test of the storage medium can be followed here in the blog.
If you work on a Mac, iMac or MacBook with a USB-C or Thunderbolt 3 port and want to use a USB-A stick or an external hard drive with USB-A to create the bootable medium with macOS Mojave Installer, then have a look times this adapter cable at. The USB-A-USB-C adapter cable is compatible with USB 3.1 (and downwards) and has a decisive advantage: unlike a clip-on adapter without a cable, the cable has no leverage on the Mac connection, stick or hard drive, so that defects and Damage can be prevented.
Maybe you don't want to use a USB stick at all, but an external hard drive to save the macOS Mojave installer or to use it for installations, upgrades and troubleshooting. For example, a 2,5 inch hard drive from WD with a total of 1 TB of storage would be recommended: look here. If you like it faster and are willing to spend more money on it, you can also buy an external SSD; like this SanDisk model with up to 2TB: view here.
Do you have any questions, comments or tips for the bootable USB stick with Mojave Installer? Then please leave a comment under this post :)
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Jens has been running the blog since 2012. He appears as Sir Apfelot for his readers and helps them with problems of a technical nature. In his free time he drives electric unicycles, takes photos (preferably with his iPhone, of course), climbs around in the Hessian mountains or hikes with the family. His articles deal with Apple products, news from the world of drones or solutions for current bugs.