Installing GitHub Enterprise Server on Hyper-V

To install GitHub Enterprise Server on Hyper-V, you must deploy onto a machine running Windows Server 2008 through Windows Server 2016.

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Prerequisites

  • You must have a GitHub Enterprise license file. To download an existing license file or request a trial license, visit enterprise.github.com. For more information, see "Managing your GitHub Enterprise license."
  • You must have Windows Server 2008 through Windows Server 2016, which support Hyper-V.
  • Most actions needed to create your virtual machine (VM) may also be performed using the Hyper-V Manager. However, we recommend using the Windows PowerShell command-line shell for initial setup. Examples using PowerShell are included below. For more information, see the Microsoft guide "Getting Started with Windows PowerShell."

Hardware considerations

Minimum requirements

We recommend different hardware configurations depending on the number of user licenses for your GitHub Enterprise Server instance. If you provision more resources than the minimum requirements, your instance will perform and scale better.

Minimum requirements for an instance with beta features enabled are bold in the following table. For more information, see "Beta features in GitHub Enterprise Server 2.22."

User licensesvCPUsMemoryAttached storageRoot storage
Trial, demo, or 10 light users2
or 4
16 GB
or 32 GB
100 GB
or 150 GB
200 GB
10 to 3,0004
or 8
32 GB
or 48 GB
250 GB
or 300 GB
200 GB
3,000 to 50008
or 12
64 GB500 GB200 GB
5,000 to 800012
or 16
96 GB750 GB200 GB
8,000 to 10,000+16
or 20
128 GB
or 160 GB
1000 GB200 GB

Beta features in GitHub Enterprise Server 2.22

If you enable beta features in GitHub Enterprise Server 2.22, your instance requires additional hardware resources. For more information about the beta features, see the release notes for the 2.22 series on the GitHub Enterprise website. For more information about adjusting resources for an existing instance, see "Increasing storage capacity" and "Increasing CPU or memory resources."

If you enable the beta for GitHub Actions on your instance, we recommend planning for additional capacity.

The additional CPU and memory resources you need to provision for your instance depend on the number of workflows your users run concurrently, and the overall levels of activity for users, automations, and integrations.

Maximum jobs per minutevCPUsMemory
Light testing430.5 GB
25861 GB
3516122 GB
10032244 GB

Storage

We recommend a high-performance SSD with high input/output operations per second (IOPS) and low latency for GitHub Enterprise Server. Workloads are I/O intensive. If you use a bare metal hypervisor, we recommend directly attaching the disk or using a disk from a storage area network (SAN).

Your instance requires a persistent data disk separate from the root disk. For more information, see "System overview."

If you enable the beta of GitHub Actions in GitHub Enterprise Server 2.22, you'll need to configure external blob storage. For more information, see "Enabling GitHub Actions and configuring storage."

You can resize your instance's root disk by building a new instance or using an existing instance. For more information, see "Increasing storage capacity."

CPU and memory

GitHub Enterprise Server requires more CPU and memory resources depending on levels of activity for users, automations, and integrations.

When you increase CPU resources, we recommend adding at least 6.5 GB of memory for each vCPU (up to 16 vCPUs) that you provision for the instance. When you use more than 16 vCPUs, you don't need to add 6.5 GB of memory for each vCPU, but you should monitor your instance to ensure it has enough memory.

Warning: We recommend that users configure webhook events to notify external systems of activity on GitHub Enterprise Server. Automated checks for changes, or polling, will negatively impact the performance and scalability of your instance. For more information, see "About webhooks."

You can increase your instance's CPU or memory resources. For more information, see "Increasing CPU or memory resources.

Downloading the GitHub Enterprise Server image

  1. Navigate to the GitHub Enterprise Server download page.
  2. To download your license file, click Download license.
  3. Click Get the latest release of GitHub Enterprise Server.
  4. Select GitHub On-premises, then click Hyper-V (VHD).
  5. Click Download for Hyper-V (VHD).

Creating the GitHub Enterprise Server instance

To create the instance, you'll need to import the GitHub Enterprise Server image to your virtual machine and attach an additional storage volume for your instance data. For more information, see "Hardware considerations."

  1. In PowerShell, create a new Generation 1 virtual machine, configure the size based on your user license count, and attach the GitHub Enterprise Server image you downloaded. For more information, see "New-VM" in the Microsoft documentation.
    PS C:\> New-VM -Generation 1 -Name VM_NAME -MemoryStartupBytes MEMORY_SIZE -BootDevice VHD -VHDPath PATH_TO_VHD  
  2. Create a new virtual disk to use as an attached storage volume for your instance data, and configure the size based on your user license count. Replace PATH_TO_DATA_DISK with the path to the location where you create the disk. For more information, see "New-VHD" in the Microsoft documentation.
    PS C:\> New-VHD -Path PATH_TO_DATA_DISK -SizeBytes DISK_SIZE
  3. Attach the data disk to your instance. For more information, see "Add-VMHardDiskDrive" in the Microsoft documentation.
    PS C:\> Add-VMHardDiskDrive -VMName VM_NAME -Path PATH_TO_DATA_DISK
  4. Start the VM. For more information, see "Start-VM" in the Microsoft documentation.
    PS C:\> Start-VM -Name VM_NAME
  5. Get the IP address of your VM. For more information, see "Get-VMNetworkAdapter" in the Microsoft documentation.
    PS C:\> (Get-VMNetworkAdapter -VMName VM_NAME).IpAddresses
  6. Copy the VM's IP address and paste it into a web browser.

Configuring the GitHub Enterprise Server instance

  1. Copy the virtual machine's public DNS name, and paste it into a web browser.
  2. At the prompt, upload your license file and set a management console password. For more information, see "Managing your GitHub Enterprise license."
  3. In the Management Console, configure and save your desired settings. For more information, see "Configuring the GitHub Enterprise Server appliance."
  4. The instance will restart automatically.
  5. Click Visit your instance.

Further reading

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