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Product Introduction
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Image

An image is a template for the running environment of a cloud host instance, encompassing the operating system, pre-installed software, and configurations.

Images are categorized into two types:

The first is “standard images” provided by the UCloud Global official, including various Linux, Windows and other operating systems.

The second is “self-made images”, which are dedicated images created by users through cloud hosts, only visible to the user themselves.

Fastcut Dedicated Image

The Fastcut Cloud Host Series adopts Network Enhancement 2.0 and RSSD Cloud Disk technologies. For Linux images, there are certain requirements for the image kernel, which must be at least 4.19 kernel. Therefore, for standard images of CentOS 8.0 and below / Ubuntu 20.04 and below / Debian 10.0 and below, UCloud Global has upgraded them all to the 4.19 kernel, replacing their original kernel. This high version kernel will not affect the use of upper-layer applications, and usually has higher security than lower version kernels.

For images that cannot support Kuaijie Cloud Host after uploading, please contact technical support for guidance on kernel version upgrades.

There is no such kernel version requirement for Windows images.

Standard Image Selection

Product TypeMachine TypeFilter ConditionsRemarks
Cloud HostFastcut ModelImage Features contain RssdAttachable, filter out Vgpu_AMD, Vgpu_NVIDIAFastcut model requires dedicated images, identified by RssdAttachable
Cloud HostARM modelImage Features contain RssdAttachable、Aarch64_Type, filter out Vgpu_AMD, Vgpu_NVIDIAARM model is a type in the Fastcut series, belonging to Fastcut O-type Ampere version
Cloud HostNon-Fastcut ModelImageName cannot contain “high kernel”, filter out Vgpu_AMD, Vgpu_NVIDIAPseudo code demonstration: !ImageName.includes(“high kernel”)

Vgpu_AMD、Vgpu_NVIDIA are image enhancement related image Tags for EPC products, which are not redundant here.