System information

COMMAND DESCRIPTION
arch

i686

 show architecture of machine
uname -r

2.6.9-67.0.15.ELsmp

 show used kernel version(1)
dmidecode|more

# dmidecode 2.2
SMBIOS 2.3 present.
39 structures occupying 2026 bytes.
Table at 0×000F6024.
Handle 0×0000
DMI type 0, 19 bytes.
BIOS Information
Vendor: IBM
Version: -[BWE130AUS-1.11]-
Release Date: 10/25/2007
Address: 0xF0F40
Runtime Size: 61632 bytes
ROM Size: 4096 kB
[...]

 show hardware system components(SMBIOS / DMI)
hdparm -tT /dev/sda

/dev/sda:
Timing cached reads: 3704 MB in 2.00 seconds = 1852.28 MB/sec
Timing buffered disk reads: 172 MB in 3.40 seconds = 50.52 MB/sec

 perform test reading on a hard-disk
cat /proc/cpuinfo

processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.80GHz
stepping : 10
cpu MHz : 3801.313
cache size : 2048 KB
[...]

 show information CPU info
cat /proc/meminfo

MemTotal: 4150156 kB
MemFree: 548712 kB
Buffers: 21072 kB
Cached: 2650428 kB
SwapCached: 0 kB
[...]

 verify memory use
cat /proc/swaps

Filename Type Size Used Priority
/dev/sda2 partition 5944040 0 -1

 show file(s) swap
cat /proc/version

Linux version 2.6.9-67.0.15.ELsmp (mockbuild@builder10.centos.org) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-9)) #1 SMP Thu May 8 10:52:19 EDT 2008

 show version of the kernel
cat /proc/net/dev show network adpters and statistics
cat /proc/mounts

rootfs / rootfs rw 0 0
/proc /proc proc rw,nodiratime 0 0
none /dev tmpfs rw 0 0
/dev/root / ext3 rw 0 0
none /dev tmpfs rw 0 0
/proc /proc proc rw,nodiratime 0 0
[...]

 show mounted file system(s)
lspci -tv

-[0000:00]-+-00.0 Intel Corporation E7520 Memory Controller Hub
+-00.1 Intel Corporation E7525/E7520 Error Reporting Registers
+-03.0-[0000:04-06]–+-00.0-[0000:06]–+-01.0 QLogic Corp. ISP2312-based 2Gb Fibre Channel to PCI-X HBA
| | \-01.1 QLogic Corp. ISP2312-based 2Gb Fibre Channel to PCI-X HBA
| \-00.2-[0000:05]–+-01.0 Broadcom Corporation NetXtreme BCM5704S Gigabit Ethernet
| \-01.1 Broadcom Corporation NetXtreme BCM5704S Gigabit Ethernet
[...]

 display PCI devices
lsusb -tv

Bus# 2
`-Dev# 1 Vendor 0×0000 Product 0×0000
`-Dev# 2 Vendor 0×04b4 Product 0×5203
|-Dev# 3 Vendor 0×0644 Product 0×0000
`-Dev# 4 Vendor 0×04b4 Product 0×6830
Bus# 1
`-Dev# 1 Vendor 0×0000 Product 0×0000
[...]

 show USB devices
cal 2007 show the timetable of 2007
clock -w save date changes on BIOS

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