[root@server ~]# lshw -short -C processor -C memory -C disk
H/W path Device Class Description
===================================================
/0/0 memory 96KiB BIOS
/0/400 processor QEMU Virtual CPU version 2.4.0
/0/401 processor QEMU Virtual CPU version 2.4.0
/0/1000 memory 2GiB System Memory
/0/1000/0 memory 2GiB DIMM RAM
/0/100/6/0 /dev/vda disk 42GB Virtual I/O device
[root@server ~]# lshw -C processor -C memory -C disk
*-firmware
description: BIOS
vendor: SeaBIOS
physical id: 0
version: Ubuntu-1.8.2-1ubuntu1
date: 04/01/2014
size: 96KiB
*-cpu:0
description: CPU
product: QEMU Virtual CPU version 2.4.0
vendor: Intel Corp.
vendor_id: GenuineIntel
physical id: 400
bus info: cpu@0
version: pc-i440fx-wily
slot: CPU 0
size: 2GHz
capacity: 2GHz
width: 64 bits
capabilities: fpu fpu_exception wp de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx x86-64 rep_good nopl pni vmx cx16 x2apic popcnt hypervisor lahf_lm abm tpr_shadow vnmi flexpriority ept vpid
configuration: cores=1 enabledcores=1 threads=1
*-cpu:1
description: CPU
product: QEMU Virtual CPU version 2.4.0
vendor: Intel Corp.
vendor_id: GenuineIntel
physical id: 401
bus info: cpu@1
version: pc-i440fx-wily
slot: CPU 1
size: 2GHz
capacity: 2GHz
width: 64 bits
capabilities: fpu fpu_exception wp de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx x86-64 rep_good nopl pni vmx cx16 x2apic popcnt hypervisor lahf_lm abm tpr_shadow vnmi flexpriority ept vpid
configuration: cores=1 enabledcores=1 threads=1
*-memory
description: System Memory
physical id: 1000
size: 2GiB
capacity: 2GiB
*-bank
description: DIMM RAM
vendor: QEMU
physical id: 0
slot: DIMM 0
size: 2GiB
*-virtio3
description: Virtual I/O device
physical id: 0
bus info: virtio@3
logical name: /dev/vda
size: 40GiB (42GB)
capabilities: partitioned partitioned:dos
configuration: driver=virtio_blk logicalsectorsize=512 sectorsize=512 signature=7cd88b13