To upgrade to a major version of OS X newer than 10.6, get it from the Mac App Store. Note that you can't keep an upgraded version that was installed by the original owner. He or she can't legally transfer it to you, and without the Apple ID you won't be able to update it in Software Update or reinstall, if that becomes necessary. The FileVault option in macOS is a fantastic way to enhance the security of your data at rest. It’s full-disk encryption (FDE), meaning that your entire startup volume is locked away when macOS. If your Mac is working properly, finding the serial number is easy. Just click the Apple menu icon at the top of the screen and select “About This Mac”. You’ll see the serial number displayed along with your Mac’s model number, hardware specifications, and the version of macOS you have installed. Quick Tip – Cloning Mac OS X VMs with unique serial numbers in vCloud Director; How to change hardware serial number for Mac OS X Guest? Using vSphere Guest Operations API on macOS Guests? VMXNET3 driver now included in Mac OS X 10.11 (El Capitan)+ ESXi 6.0 on Apple Xserve 3,1.
Last week I wrote an article on how to ensure unique serial numbers are generated when cloning Mac OS X VMs in vCloud Director and as part of that research, I also came across another neat trick that I learned from one of our Engineers, Regis Duchesne. It turns outs that in recent releases of ESXi and Fusion, you can now set a specific serial number for a Mac OS X VM for customers who may require this for testing purposes.
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In the window that opens, you will see a field for Serial Number. That’s the serial number for your Mac. Note: the serial number in the screenshot below has been partially hidden. It is 12 characters long and contains both numbers and letters. Using the serial number. Now that you have the serial number, you might wonder what it’s used for.
To set a particular serial number, you simply just need to add the following setting to your VMX file (which can also be automated when working with ESXi via the vSphere API):
serialNumber = 'SERIAL-NUMBER'
How to check app size on mac. Although, I was not able to find the particular release of ESXi and Fusion that introduced this capability, this trick could come in handy for those of you who have this specific requirement. Nozbe app for mac.