lscpu lsblk lsscsi lspci

[root@server1 ~]#  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:                 62
Stepping:              4
CPU MHz:               2593.524
BogoMIPS:              5187.04
Hypervisor vendor:     Xen
Virtualization type:   full
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              20480K
NUMA node0 CPU(s):     0

[root@localhost ~]# yum install lsscsi
Loaded plugins: fastestmirror
Determining fastest mirrors
base                                                     | 1.1 kB     00:00     
extras                                                   | 2.1 kB     00:00     
updates                                                  | 1.9 kB     00:00     
Setting up Install Process
Resolving Dependencies
There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them.
--> Running transaction check
---> Package lsscsi.x86_64 0:0.17-3.el5 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package          Arch             Version                 Repository      Size
================================================================================
Installing:
 lsscsi           x86_64           0.17-3.el5              base            27 k

Transaction Summary
================================================================================
Install       1 Package(s)
Upgrade       0 Package(s)

Total download size: 27 k
Is this ok [y/N]: y
Downloading Packages:
lsscsi-0.17-3.el5.x86_64.rpm                             |  27 kB     00:00     
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : lsscsi                                                   1/1 

Installed:
  lsscsi.x86_64 0:0.17-3.el5                                                    

Complete!
[root@localhost ~]# lsscsi -l
[0:0:0:0]    disk    VMware,  VMware Virtual S 1.0   /dev/sda
  state=running queue_depth=32 scsi_level=3 type=0 device_blocked=0 timeout=60

[root@server1 ~]# uname -a
Linux server1 2.6.32-431.23.3.el6.x86_64 #1 SMP Thu Jul 31 17:20:51 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

[root@server1 proc]# cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 62
model name      : Intel(R) Xeon(R) CPU E5-2650 v2 @ 2.60GHz
stepping        : 4
cpu MHz         : 2593.524
cache size      : 20480 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush mmx fxsr sse sse2 ht syscall nx lm up rep_good unfair_spinlock pni ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor lahf_lm
bogomips        : 5187.04
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

[root@server1 proc]# 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]
00:01.2 USB controller: Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II] (rev 01)
00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 01)
00:02.0 VGA compatible controller: Cirrus Logic GD 5446
00:03.0 Unassigned class [ff80]: XenSource, Inc. Xen Platform Device (rev 01)

[root@server1 proc]# lsblk  
NAME    MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
xvda    202:0    0  40G  0 disk 
└─xvda1 202:1    0  40G  0 part /