Linux System hardware Configuration view method

One: View CPU

More/proc/cpuinfo | grep "model name"

grep "model name"/proc/cpuinfo

If you feel the need to see more comfortable

grep "model Name"/proc/cpuinfo | Cut-f2-d:

Two: View memory

grep memtotal/proc/meminfo

grep Memtotal/proc/meminfo | Cut-f2-d:

Free-m |grep "Mem" | awk ' {print $} '

Three: Check whether the CPU is 32-bit or 64-bit

View the number of CPU bits (+ or 64)

Getconf Long_bit

Four: View the current version of Linux

More/etc/redhat-release

Cat/etc/redhat-release

V: View kernel version

Uname-r

Uname-a

VI: View current time

Date

The above has been described how to synchronize time,

Seven: View hard disks and partitions

Df-h

Fdisk-l

You can also view partitions

Du-sh

You can see all the space occupied

Du/etc-sh

You can see the size of this directory

Eight: View the installed packages

To view the packages installed on the system

Cat-n/root/install.log

More/root/install.log | Wc-l

See which packages are now installed

Rpm-qa

Rpm-qa | Wc-l

Yum List Installed | Wc-l

But strangely enough, the number of installation packages I've queried through RPM, and Yum, is not the same. No reason was found.

Nine: View the keyboard layout

Cat/etc/sysconfig/keyboard

Cat/etc/sysconfig/keyboard | grep KEYTABLE | Cut-f2-d=

Ten: View selinux status

Sestatus

Sestatus | Cut-f2-d:

Cat/etc/sysconfig/selinux

11: View Ip,mac Address

In the Ifcfg-eth0 file you can see Mac, Gateway and other information.

Ifconfig

Cat/etc/sysconfig/network-scripts/ifcfg-eth0 | grep ipaddr

Cat/etc/sysconfig/network-scripts/ifcfg-eth0 | grep ipaddr | Cut-f2-d=

Ifconfig eth0 |grep "inet addr:" |awk ' {print $} ' |cut-c 6-

Ifconfig | grep ' inet addr: ' | Grep-v ' 127.0.0.1 ' | Cut-d:-f2 | awk ' {print '} '

View Gateway

Cat/etc/sysconfig/network

View DNS

Cat/etc/resolv.conf

12: View Default language

Echo $LANG $LANGUAGE

cat/etc/sysconfig/i18n

13: View your time zone and whether to use UTC time

Cat/etc/sysconfig/clock

14: View Host Name

Hostname

Cat/etc/sysconfig/network

Modify the hostname is to modify this file, but also preferably the host file also modified.

View PCI Information LSPCI

View hard disk information DF-LH

Curl--head www.163.com View 163.com Server environment

Uptime See how long the boot time

Ifconfig eth0 up enable NIC Eth0

/etc/initd/network Restart Restart Network Service

XV: View the system hairstyle version

Method 1

For Linux systems, there are hundreds of distributions. For release version number View method

Take CentOS for example. Input lsb_release-a can be

This command applies to all Linux, including Redhat, SuSE, Debian, and other distributions

Method 2

If, for example, this command is not

You can view Cat/etc/xxx-release xx as the release name. such as centos-release

Method 3.

You can also view the release version number by viewing the /etc/issue file

Linux System hardware Configuration view method