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The Horizon control panel is used to view and manage Openstack services. Available and used HTC Cloud Vrančić resources can be viewed by selecting Compute→Overview.


Compute→Instances displays a list and serves to manage virtual servers.

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Enter the name, description and number of the servers


Select image and disk size


Select server resources (resource description). When selecting a resource, the disk size from the previous steps is overwritten with the selected one, so go back to Source and adjust the disk size again if you want.


Select a network (description of networks)


Select the server access key you created in the previous step.

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To add and change security groups, select Network→Security Groups.


Flavors

Depending on the purpose of the virtual server, the resources of the virtual server are selected, such as the number of virtual cores (VCPUS), working memory (RAM) and disk capacity (Total Disk).

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You have the following Flavors to choose from:

IDNameVCPUSRAMTotal DiskRoot DiskSockets
1m1.small1GB30 GB30 GB1
2m1.medium48 GB30 GB30 GB4
3m1.large1632 GB100 GB100 GB16
4m1.xlarge2448 GB300 GB300 GB24
5m1.xlargemem24176 GB300 GB300 GB24
10m1.full128504 GB500 GB500 GB128
11m1.fullnuma128504 GB500 GB500 GB2
54m1.full.windows128495 GB300 GB300 GB1
55m1.half.windows64255 GB300 GB300 GB1


Images

Multiple images are available for users to base their virtual server on.

NazivOpis
centos-7Server boot image with CentOS 7 operating system. Username centos.
rocky-8Rocky Linux 8 server boot image. Username centos.
rocky-9Rocky Linux 9 server boot image. Username rocky.
fedora-37Boot image of a server running Fedora 37. Username fedora.
ubuntu-22.04Ubuntu 22.94 server boot image. Username ubuntu.
debian-11Debian 11 server boot image. Username debian.
debian-12Debian 12 server boot image. Username debian.
opensuse-15.5Boot image of a server running Fedora 37. Username fedora.
windows-10Windows OS server boot image. The username is admin, the password is set when creating the VM in the metadata.
mathematica-rocky-9Server boot image with Rocky Linux 8 operating system and Mathematica installed. Username rocky.