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== How to use GPU in cloud VMs ==

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This Howto describes the steps needed to allocate GPU resources to a virtual machine (VM), installing the necessary drivers as well as simple steps to on what to check to see that the GPU is properly allocated and cannow be used.

To use a GPU within a VM, the instance needs to be deployed with on for the flavors listed below, to make the GPU available to the Operating System via the PCI bus.

* g2-c24-112gb-500
* g1-c14-56gb-500
* g1-c14-56gb

== Preparing a Debian 10 Instance ==
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To use the GPU via the PCI bus, the proprietary Nvidia drivers are required. Due to Debian's policy, the drivers are available from the non-free pool only.

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===== <u>Enabling the non-free pool</u> =====
Log in via ssh and add the sources below to ''/etc/apt/sources.list'', if not already in there.

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deb http://deb.debian.org/debian buster main contrib non-free
deb http://security.debian.org/ buster/updates main contrib non-free
deb http://deb.debian.org/debian buster-updates main contrib non-free
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===== <u>Installing the Nvidia Driver</u> =====
The following command will update the apt cache, so that apt will be aware of the new software pool sections, runs an upgrade to update the OS to the latest software versions and installs the kernel headers, the nvidia-driver and the pciutils, which will be required to list the devices connected to the PCI bus. 

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apt-get update && apt-get -y dist-upgrade && apt-get -y install pciutils linux-headers-`uname -r` nvidia-driver
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After the installation has finished and the nvidia has been automatically compiled and loaded, the following steps can be used to verify that everything has been prepared to launch the ''nvidia-persistenced'', which will create the device files and makes the GPU accessible to the user space.


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