# pveversion -v
proxmox-ve-2.6.32: 3.1-111 (running kernel: 2.6.32-24-pve)
pve-manager: 3.1-14 (running version: 3.1-14/d914b943)
pve-kernel-2.6.32-24-pve: 2.6.32-111
lvm2: 2.02.98-pve4
clvm: 2.02.98-pve4
corosync-pve: 1.4.5-1
openais-pve: 1.1.4-3
libqb0: 0.11.1-2
redhat-cluster-pve: 3.2.0-2
resource-agents-pve: 3.9.2-4
fence-agents-pve: 4.0.5-1
pve-cluster: 3.0-12
qemu-server: 3.1-16
pve-firmware: 1.1-3
libpve-common-perl: 3.0-18
libpve-access-control: 3.0-11
libpve-storage-perl: 3.0-19
pve-libspice-server1: 0.12.4-3
vncterm: 1.1-6
vzctl: 4.0-1pve5
vzprocps: 2.0.11-2
vzquota: 3.1-2
pve-qemu-kvm: 1.7-8
ksm-control-daemon: 1.1-1
glusterfs-client: 3.4.2-1

# free -m
             total       used       free     shared    buffers     cached
Mem:         32171      26422       5749          0        162        430
-/+ buffers/cache:      25829       6342
Swap:         1022         10       1012

# ps auxwf