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2025-01-16 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
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Shulou(Shulou.com)06/02 Report--
Machine basic information query
Dmidecode | grep "Product Name" # check the machine model
Hostname # View hostname
Dmidecode-t bios # View bios information system, baseboard, chassis, processor, memory, cache, connector, slot
Dmidecode | grep 'Serial Number' # check all serial numbers. The first serial number is the serial number of the machine.
Dmidecode-s system-serial-number # check the serial number of the machine, as shown in the first serial number of the previous command
Dmidecode-Q # View all useful information, including memory location, BIOS, system information, SN number, etc.
Lsb_release-a cat / etc/issue cat / etc/issue.net cat / etc/redhat-release # View operating system version information
View cpu information
Lscpu # View cpu information (rhel6 is supported)
Cat / proc/cpuinfo | grep name | cut-f2-d: | uniq-c # check the number of cores on the main frequency of the CPU model
Cat / proc/cpuinfo | more
Cat / proc/cpuinfo | grep "physical id" | sort | uniq | wc-l # check the number of CPU
Cat / proc/cpuinfo | grep "cpu cores" | uniq # View the number of core in each physical CPU (that is, the number of cores)
Cat / proc/cpuinfo | grep "processor" | wc-l # check the number of logical CPU
Dmidecode | grep-I CPU # check the number and model of CPU
Dmidecode-t processor # View the number and location of cpu
Look at the memory information
Dmidecode-t memory # View memory information and memory location
Dmidecode | grep-A 16 "Memory Device$" | grep Size: | grep-v "No Module Installed" | awk'{print "*" $2line 3}'| uniq-c # check the number of memory entries
Dmidecode | grep-P-A5 "Memory\ s+Device" | grep Size | grep-v Range # View individual memory size and total memory size
Dmidecode | grep-A16 "Memory Device$" # View details such as memory size, location of each memory, SN and PN number, etc.
Free-m # View memory size
View hard disk information
Fdisk-l # View logical hard disk size
Smartctl-a / dev/sda (not suitable for raid) # check the brand model of the hard drive
Lsblk # View hard disk and partition distribution
Hdparm-I / dev/sda (if raid is not applicable, an error will be reported) # View the specified hard disk model
Fdisk-l | grep Disk | grep sd # check the number of disks (including san storage disks)
Cd / dev/disk/by-id # # the wwid number of the disk that can be viewed in this directory. Wwid is the same as the mac of the network card and is used to identify the disk. It is unique.
Cd / dev/disk/by-uuid # check the uuid number of disk
View raid information
Cat / proc/scsi/scsi # View raid card model and hard disk brand model
Dmesg | grep-I raid # View raid information and level
Cat / proc/scsi/mptsas # View hard raid cat / proc/mdstat # View soft raid
Cat / sys/block/sda/device/model
Udevadm info-- query=all-- name=sda-- attribute-walk | grep-I "raid_level" # View raid level
View network card information
Ifconfig-a # View IP address information
Lspci | grep-I eth # check the number and model of Nic hardware
Ethtool eth0 # View eth0 Nic interface details
View HBA card information
Lspci | grep-I fibre or dmesg | grep-I hba # check how many FC HBA cards exist
Ls / sys/class/fc_host/ # check how many FC HBA cards exist
Cat / sys/class/fc_host/host [4-5] / port_name # list the wwwn number of 4 and 5 fiber cards and the wwwn number is 16 digits
Cat / proc/scsi/qla2xxx # check the HBA card model for AS4 and SuSE Linux 9
Cat / sys/class/fc_host/host*/port_name # check the HBA card model and wwn number for rhel5 6 7 and SuSE Linux 10
Cat / sys/class/fc_host/host*/port_state # check whether the HBA card status is online, suitable for rhel5 6 7 and SuSE Linux 10
View PCI information
Lspci # # check the pci information, that is, all the hardware slot information on the motherboard.
Lspci-v # View pci details, that is, all hardware slot information on the motherboard.
View iNode and block information
Dumpe2fs / dev/sda2 | egrep-I "block count | inode count"
Additional information
Netstat-rn
Netstat-in
Tail-f / var/log/messages
Cat / var/log/messages
Cat / var/log/secure
Top
Iostat-d 2
Ps-aux
Df-h
Vmstat 2 10
Vgs
Vgdisplay
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