A cloud virtual server differs from a regular VPS in the presence of an installed Virtualization Context daemon (service), which automates server configuration and allows you to add/remove IP addresses or increase disk size, as well as other parameters without rebooting.
By default, all virtual servers deployed in the Cloud VPS service context work with the Virtualization Context daemon installed and running.
If the server does not have this package, you can install it manually. For this: