When you launch an EC2 Mac instance, imagine plugging a USB SSD into the back of a Mac mini and turning it on. After those initial 24 hours, you may release the host and stop the per-second billing whenever you’d like.īecause Amazon EC2 Mac instances are bare-metal instances, macOS has direct access to the Mac mini hardware. You are simply unable to release the host back to AWS until after 24 consecutive hours have elapsed, to comply with the macOS SLA. Note that you are billed per-second whenever you have an allocated host either in the “Available” state or with an instance running on top. Trying to release that Dedicated Host before 24 consecutive hours have elapsed will return an error, as seen in the following screenshot: This means that once you’ve successfully allocated a dedicated Mac1 host and received a host-id back, a 24-hour clock ‘starts running.’ So the earliest time you can release that Dedicated Host is after the 24-hour period has passed. auto-placement="on" -host-recovery="off" \Īs part of Apple’s macOS Software Licensing Agreement (SLA), there is a 24-hour minimum allocation period for macOS in the cloud. Let’s do that now via the AWS Command Line Interface (CLI):Īws ec2 allocate-hosts -availability-zone="us-east-2b" \ The first step with Amazon EC2 Mac instances is to allocate a dedicated Mac1 host. Dedicated Host pricing is available here. With dedicated hosts, your cost is tallied by the amount of time the host itself is allocated to your AWS account, and any instances running on top are no additional charge. These are allocated and released as a specific operation (via the AWS Management Console or AWS Command Line Interface) before use. EC2 Mac instances run on physical host machines that are dedicated to one account, which AWS calls Dedicated Hosts. With EC2 Mac instances, you have the full performance of the underlying Mac mini. Note that the rest of the AWS Nitro System is still present, including the Nitro Security Chip, which blocks write access to non-volatile memory and provides a hardware root-of-trust, and the Nitro I/O card, which offloads storage and networking I/O to separate custom silicon, conserving CPU and memory for the instance. Let’s break that nomenclature down.Īmazon EC2 bare-metal instances were released in 2017, and allow for direct hardware access by the EC2 instance, bypassing the type-1 Nitro hypervisor. Amazon EC2 Mac instances are offered as bare-metal instances running on top of single-tenant, Dedicated Hosts to comply with macOS licensing. There are a few differences between Amazon EC2 Mac instances and the other EC2 Linux and Windows instances you may be more familiar with. The combination of EC2 Mac instances and Anka allows for very flexible and responsive CI/CD pipelines for Apple application development. In this blog, I review the basics of Amazon EC2 Mac instances, how to start using macOS on EC2, and finish by showing integration with Anka, by Veertu, Inc., a software suite to create and manage macOS virtual machines running on top of macOS. Apple developers can now benefit from the scalability, elasticity, reliability, and security of the AWS Cloud and the AWS Nitro System to support their entire macOS development pipeline to build, test, sign, and publish Apple apps. To know whether you are in the safe mode or not, open System Information and look next to System Software Overview – Boot Mode.This post is written by Scott Malkie, Specialist Solutions Architect, EC2Īt re:Invent 2020, we announced Amazon EC2 Mac instances, which enable you to run on-demand macOS workloads in the AWS Cloud for the first time. To go into Safe Mode, restart your Mac and hold Shift as soon as you hear the startup chime, keep holding the button until the gray progress bar appears under the Apple logo. You can use this mode to narrow down potential cause of software issues and conflicts. Load the Bare Essential with Safe Modeīy booting into Safe Mode, your system will load only the bare minimum drivers and softwares to keep it running. Then use the mouse or arrow keys and Enter to pick one of the drives.Ĥ. To access Startup Manager, restart your Mac and hold down the Option key when you hear the startup chime. It’s useful in several situations, such as your system has multiple drives, and you want to boot into one of them, you want to boot into Windows using Boot Camp, you want to boot from an external drive, or you want to install/reinstall OS X using Installation Disk. Startup Manager is a way to access different drive to boot your system. Use Startup Manager to Choose a Boot Drive
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