dpkg -l | grep pve
ii clvm 2.02.95-1pve2 Cluster LVM Daemon for lvm2
ii corosync-pve 1.4.4-4 Standards-based cluster framework (daemon and modules)
ii dmsetup 2:1.02.74-1pve2 Linux Kernel Device Mapper userspace library
ii fence-agents-pve 3.1.9-1 fence agents for redhat cluster suite
ii libcorosync4-pve 1.4.4-4 Standards-based cluster framework (libraries)
ii libdevmapper1.02.1 2:1.02.74-1pve2 Linux Kernel Device Mapper userspace library
ii libopenais3-pve 1.1.4-2 Standards-based cluster framework (libraries)
ii libpve-access-control 1.0-26 Proxmox VE access control library
ii libpve-common-perl 1.0-49 Proxmox VE base library
ii libpve-storage-perl 2.3-6 Proxmox VE storage management library
ii lvm2 2.02.95-1pve2 Linux Logical Volume Manager
ii openais-pve 1.1.4-2 Standards-based cluster framework (daemon and modules)
ii pve-cluster 1.0-36 Cluster Infrastructure for Proxmox Virtual Environment
ii pve-firmware 1.0-21 Binary firmware code for the pve-kernel
ii pve-kernel-2.6.32-19-pve 2.6.32-94 The Proxmox PVE Kernel Image
ii pve-manager 2.3-13 The Proxmox Virtual Environment
ii pve-qemu-kvm 1.4-8 Full virtualization on x86 hardware
ii redhat-cluster-pve 3.1.93-2 Red Hat cluster suite
ii resource-agents-pve 3.9.2-3 resource agents for redhat cluster suite
ii vzctl 4.0-1pve2 OpenVZ - server virtualization solution - control tools