| Provider |
The connection to a virtualization platform: Proxmox VE or Native KVM. |
| Hypervisor |
A managed node created by importing a Proxmox node or enrolling a native agent. |
| Location |
A commercial region that groups hypervisors. |
| Plan |
The booked resources and limits for an instance (CPU, memory, disk, networking, storage tier, backups). |
| Image |
The OS template an instance is built from. |
| Instance |
A virtual machine (VPS). |
| Volume |
A persistent extra disk, either an instance data disk or a standalone account volume. |
| Snapshot |
A fast restore point coupled to the VM/provider. Not a backup. |
| Backup |
A durable recovery artifact, independent of the VM's storage. |
| Task |
A durable record of an asynchronous mutation. |
| Reservation |
A capacity hold (CPU/memory/storage/VMID/IP) created during provisioning. |
| Entitlement |
A cap on what a tenant may hold or request. |
| Add-on |
A resource-only extension to a plan (no billing). |
| Console gateway |
The dedicated WebSocket service that brokers VM consoles. |
| Agent |
The pterocloud-agent running on a Native KVM host. |
| Lease |
The signed, short-lived license token that gates the control layer. |
| Mutation lock |
An exclusive lock that prevents conflicting operations (rebuild, migration, restore, rescue, resize, HA). |
| UPID |
A Proxmox task identifier. Admin-only; never shown to customers. |
| VMID |
A provider guest identifier. Admin-only; never shown to customers. |
| Support id |
An opaque reference (PC-YYYYMMDD-XXXXXX) attached to an error. |
| Public code |
A stable error identifier (PC-XXX-###). |