dmidecode -t 4
# Type Information
# 0 BIOS
# 1 System
# 2 Base Board
# 3 Chassis
# 4 Processor
# 5 Memory Controller
# 6 Memory Module
# 7 Cache
# 8 Port Connector
# 9 System Slots
# 11 OEM Strings
# 13 BIOS Language
# 15 System Event Log
# 16 Physical Memory Array
# 17 Memory Device
# 18 32-bit Memory Error
# 19 Memory Array Mapped Address
# 20 Memory Device Mapped Address
# 21 Built-in Pointing Device
# 22 Portable Battery
# 23 System Reset
# 24 Hardware Security
# 25 System Power Controls
# 26 Voltage Probe
# 27 Cooling Device
# 28 Temperature Probe
# 29 Electrical Current Probe
# 30 Out-of-band Remote Access
# 31 Boot Integrity Services
# 32 System Boot
# 34 Management Device
# 35 Management Device Component
# 36 Management Device Threshold Data
# 37 Memory Channel
# 38 IPMI Device
# 39 Power Supply
Count the number of Segate hard disks
lsscsi|grep SEAGATE|wc -l
# or
sg_map -i -x|grep SEAGATE|wc -l
Get UUID of a disk (e.g. sdb)
lsblk -f /dev/sdb
# or
sudo blkid /dev/sdb
Generate an UUID
uuidgen
Print detail of all hard disks
lsblk -io KNAME,TYPE,MODEL,VENDOR,SIZE,ROTA
#where ROTA means rotational device / spinning hard disks (1 if true, 0 if false)
List all PCI (Peripheral Component Interconnect) devices
lspci
# List information about NIC
lspci | egrep -i --color 'network|ethernet'
List all USB devices
lsusb
Linux modules
# Show the status of modules in the Linux Kernel
lsmod
# Add and remove modules from the Linux Kernel
modprobe
# or
# Remove a module
rmmod
# Insert a module
insmod
Controlling IPMI-enabled devices (e.g. BMC)
# Remotely finding out power status of the server
ipmitool -U <bmc_username> -P <bmc_password> -I lanplus -H <bmc_ip_address> power status
# Remotely switching on server
ipmitool -U <bmc_username> -P <bmc_password> -I lanplus -H <bmc_ip_address> power on
# Turn on panel identify light (default 15s)
ipmitool chassis identify 255
# Found out server sensor temperature
ipmitool sensors |grep -i Temp
# Reset BMC
ipmitool bmc reset cold
# Prnt BMC network
ipmitool lan print 1
# Setting BMC network
ipmitool -I bmc lan set 1 ipaddr 192.168.0.55
ipmitool -I bmc lan set 1 netmask 255.255.255.0
ipmitool -I bmc lan set 1 defgw ipaddr 192.168.0.1