Linux common view Hardware Device Information command (reprint)

System # uname-a # View kernel/Os/cpu information

# head-n 1/etc/issue # view OS version

# cat/proc/cpuinfo # View CPU Information

# hostname # View computer name

# LSPCI-TV # list all PCI devices

# LSUSB-TV # list all USB devices

# lsmod # List of loaded kernel modules

# env # View environment variable resources

# free-m # View memory usage and swap area usage

# df-h # View the usage of each partition

# du-sh < directory name > # View the size of the specified directory

# grep Memtotal/proc/meminfo # View Total Memory

# grep Memfree/proc/meminfo # View the amount of free memory

# uptime # View System uptime, number of users, load

# cat/proc/loadavg # View system load disks and partitions

# Mount | COLUMN-T # Viewing the status of a mounted partition

# fdisk-l # View all partitions

# swapon-s # View all swap partitions

# hdparm-i/dev/hda # View disk parameters (for IDE devices only)

# DMESG | grep IDE # View IDE device detection status on Startup network # ifconfig # View All Properties of the network interface

# iptables-l # View firewall settings

# route-n # View the routing table

# netstat-lntp # View all listening ports

# NETSTAT-ANTP # View all established connections

# netstat-s # View the network statistics process

# ps-ef # View All Processes

# top # Real-time display of process status users

# w # View active Users

# ID < user name > # view specified user information

# last # View user log in log

# cut-d:-f1/etc/passwd # View All users of the system

# cut-d:-f1/etc/group # View all system groups

# crontab-l # View the current user's scheduled tasks service

# chkconfig--list # list all system services

# chkconfig--list | grep on # Lists all started system services programs

# rpm-qa # View all installed Packages

Common commands are organized as follows:

View the serial number of the motherboard: Dmidecode | Grep-i ' Serial number '

Detecting new hardware with hardware detection program Kuduz: Service kudzu start (or restart)

View CPU information: Cat/proc/cpuinfo [DMESG | grep-i ' CPU '][DMIDECODE-T processor]

View memory information: Cat/proc/meminfo [Free-m][vmstat]

View card information: CAT/PROC/PCI

View video card/sound card information: Lspci |grep-i ' VGA ' [DMESG | grep-i ' VGA ']

View nic Information: DMESG | Grep-i ' ETH ' [cat/etc/sysconfig/hwconf | grep-i eth][lspci | grep-i ' ETH ']

View PCI information: LSPCI (more intuitive than CAT/PROC/PCI)

View USB devices: Cat/proc/bus/usb/devices

Viewing the keyboard and mouse: Cat/proc/bus/input/devices

View system hard disk information and usage: Fdisk & disk–l & DF

To view interrupt requests (IRQ) for each device: cat/proc/interrupts

View System Architecture: UNAME-A

View and start the system's 32-bit or 64-bit kernel mode: isalist–v [isainfo–v][isainfo–b] Dmidecode

View hardware information, including BIOS, CPU, memory and other information to determine the current display refresh rate:/usr/sbin/ffbconfig–rev \?

View System configuration:/usr/platform/sun4u/sbin/prtdiag–v

To view patches already applied in the current system: showrev–p

Displays the current runlevel: WHO–RH

View current BIND version information: Nslookup–class=chaos–q=txt Version.bind DMESG | More

View hardware Information LSPCI display peripheral information, such as USB, Nic and other information Lsnod

View the loaded driver lshw psrinfo-v

View the current processor type and speed (frequency) prtconf-v

Prints the current OBP version number Iostat–e

View hard disk physical information (vendor, RPM, capacity) prtvtoc/dev/rdsk/c0t0d0s

View disk geometry parameters and partition information df–f Ufs–o I

Shows the number of i-node that have been used and not used Isalist–v

For files in "/proc", you can use the File View command to browse its contents, which contains system-specific information: Cpuinfo Host CPU Information DMA host DMA channel information filesystems file system Information interrupts host interrupt information Ioprots host i/ O Port number information Meninfo host memory information version Linux memory release information note: proc–process information Pseudo-filesystem process information masquerading file system

Linux common view Hardware Device Information command (reprint)