Jephe Wu - http://linuxtechres.blogspot.com
Objective: get most of hardware information without physical checking/opening server
Environment: CentOS 6.1 64bit
Steps:
# check server hardware info
dmidecode
biosdecode
lshw
root@serv01:~/ # which lshw
/usr/sbin/lshw
root@serv01:~/ # rpm -qf /usr/sbin/lshw
lshw-B.02.12.01-1.el5
# check release info and architecture
lsb_release -a
uname -a
# list initrd.img file content
lsinitrd /boot/initrd.img
[root@db01 boot]# which lsinitrd
/sbin/lsinitrd
[root@db01 boot]# rpm -qf /sbin/lsinitrd
dracut-004-53.el6.noarch
# check cpu
lscpu
cat /proc/cpuinfo
[root@db01 ~]# which lscpu
/usr/bin/lscpu
[root@db01 ~]# rpm -qf /usr/bin/lscpu
util-linux-ng-2.17.2-12.4.el6.x86_64
# check storage
cat /proc/partitions
df -h
multipath -ll
lspci -v
lssd
lssg
lsblk
[root@db01 ~]# which lssd
/usr/bin/lssd
[root@db01 ~]# rpm -qf /usr/bin/lssd
fibreutils-3.2-3.x86_64
[root@db01 ~]# which lssg
/usr/bin/lssg
[root@db01 ~]# rpm -qf /usr/bin/lssg
fibreutils-3.2-3.x86_64
# check additional pci card, which physical slot and VGA card memory etc
lspci -vvv
.....
Physical Slot: 1
.....
# check relationship between files and process
lsof | grep filename
# drivers and modules info
lsmod
# check memory
cat /proc/meminfo
free [-m|-g]
# check boot info
dmesg
less /var/log/messages
# check usb and pcmcia info
lsusb [-v]
lspcmcia
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