Some more virtual machine details: $ /sbin/lspci 00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02) 00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] 00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II] 00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 03) 00:02.0 VGA compatible controller: Red Hat, Inc. QXL paravirtual graphic card (rev 04) 00:03.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8100/8101L/8139 PCI Fast Ethernet Adapter (rev 20) 00:04.0 Communication controller: Red Hat, Inc Virtio console 00:05.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03) 00:05.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03) 00:05.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03) 00:05.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03) 00:06.0 Unclassified device [00ff]: Red Hat, Inc Virtio memory balloon $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 100G 0 disk ������sda1 8:1 0 2G 0 part [SWAP] ������sda2 8:2 0 39.4G 0 part /boot/grub2/x86_64-efi ������sda3 8:3 0 58.6G 0 part /home sr0 11:0 1 1024M 0 rom $ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 1 On-line CPU(s) list: 0 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 61 Model name: Intel Core Processor (Broadwell) Stepping: 2 CPU MHz: 3408.006 BogoMIPS: 6816.01 Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 4096K NUMA node0 CPU(s): 0 $ df Filesystem 1K-blocks Used Available Use% Mounted on devtmpfs 1018384 0 1018384 0% /dev tmpfs 1024604 344 1024260 1% /dev/shm tmpfs 1024604 2044 1022560 1% /run tmpfs 1024604 0 1024604 0% /sys/fs/cgroup /dev/sda2 41271296 9791356 31094660 24% / /dev/sda2 41271296 9791356 31094660 24% /.snapshots /dev/sda2 41271296 9791356 31094660 24% /usr/local /dev/sda2 41271296 9791356 31094660 24% /var/spool /dev/sda2 41271296 9791356 31094660 24% /srv /dev/sda2 41271296 9791356 31094660 24% /var/tmp /dev/sda2 41271296 9791356 31094660 24% /var/opt /dev/sda2 41271296 9791356 31094660 24% /var/lib/pgsql /dev/sda2 41271296 9791356 31094660 24% /var/lib/mysql /dev/sda2 41271296 9791356 31094660 24% /var/crash /dev/sda2 41271296 9791356 31094660 24% /var/lib/named /dev/sda2 41271296 9791356 31094660 24% /var/lib/mailman /dev/sda2 41271296 9791356 31094660 24% /var/lib/mariadb /dev/sda2 41271296 9791356 31094660 24% /var/lib/libvirt/images /dev/sda2 41271296 9791356 31094660 24% /tmp /dev/sda2 41271296 9791356 31094660 24% /var/log /dev/sda2 41271296 9791356 31094660 24% /opt /dev/sda2 41271296 9791356 31094660 24% /boot/grub2/i386-pc /dev/sda2 41271296 9791356 31094660 24% /boot/grub2/x86_64-efi /dev/sda3 61451964 96520 61355444 1% /home