1. Turn off the firewall
[Email protected] ~]# Systemctl stop Firewalld.service
One: View CPU information
More/proc/cpuinfo | grep "model name"
grep "model name"/proc/cpuinfo
grep "CPU"/proc/cpuinfo
grep "model Name"/proc/cpuinfo | Cut-f2-d:
Two: View memory information
grep memtotal/proc/meminfo
grep Memtotal/proc/meminfo | Cut-f2-d:
grep Memtotal/proc/meminfo | Free-m
grep Memtotal/proc/meminfo | grep "Mem"
grep Memtotal/proc/meminfo | awk ' {print $} '
Three: Check whether the CPU is 32-bit or 64-bit
Getconf Long_bit
Four: View the current Linux version information
Cat/etc/issue #查看具体操作系统类型
More/etc/redhat-release
Cat/etc/redhat-release
Rpm-q Centos-release
V: View kernel version
Uname-r
Uname-a
System operation and maintenance www.osyunwei.com warm reminder: qihang01 original content? Copyright, reproduced Please indicate the source and the original link
VI: View the current time of the system
Date
Clock
Clock-w #同步系统时间
Seven: View hard disks and partitions
Df-h
Fdisk-l
Du-sh #查看当前目录占用空间大小
Du/etc-sh #查看/etc directory occupy space size
Eight: View system-Installed packages
Cat-n/root/install.log #查看系统默认安装时的软件包
More/root/install.log | Wc-l #查看当前系统安装的软件包数量
Rpm-qa
Rpm-qa | Wc-l
Yum List Installed | Wc-l
Nine: View the keyboard layout
Cat/etc/sysconfig/keyboard
Cat/etc/sysconfig/keyboard | grep KEYTABLE | Cut-f2-d=
Ten: Check if SELinux is off
Sestatus
Sestatus | Cut-f2-d:
Cat/etc/sysconfig/selinux
System operation and maintenance www.osyunwei.com warm reminder: qihang01 original content? Copyright, reproduced Please indicate the source and the original link
11: View IP address, network card MAC address information
Ifconfig
Cat/etc/sysconfig/network-scripts/ifcfg-eth0 | grep ipaddr
Cat/etc/sysconfig/network-scripts/ifcfg-eth0 | Cut-f2-d=
Cat/etc/sysconfig/network-scripts/ifcfg-eth0 | Ifconfig eth0
Cat/etc/sysconfig/network-scripts/ifcfg-eth0 | Grep-v ' 127.0.0.1 '
Cat/etc/sysconfig/network-scripts/ifcfg-eth0 | Cut-d:-f2
Cat/etc/sysconfig/network-scripts/ifcfg-eth0 | awk ' {print '} '
Cat/etc/sysconfig/network
Cat/etc/resolv.conf #查看DNS
12: View system default language
Echo $LANG $LANGUAGE
cat/etc/sysconfig/i18n
12: View your time zone and whether to use UTC time
Cat/etc/sysconfig/clock
13: View Host Name
Hostname
Cat/etc/sysconfig/network
14: Check the system start-up run time
Uptime
Vmstat 1-s m procs
CentOS 7.0 Common Commands