一：查看cpu信息more /proc/cpuinfo | grep "model name"
grep "model name" /proc/cpuinfo
grep "CPU" /proc/cpuinfo
grep "model name" /proc/cpuinfo | cut -f2 -d:
二：查看內(nèi)存信息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 $2}'
三：查看cpu是32位還是64位
getconf LONG_BIT
四：查看當(dāng)前l(fā)inux的版本信息
cat /etc/issue #查看具體操作系統(tǒng)類型
more /etc/redhat-release
cat /etc/redhat-release
rpm -q centos-release
五：查看內(nèi)核版本uname -r
uname -a
系統(tǒng)運(yùn)維
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六：查看系統(tǒng)當(dāng)前時(shí)間date
clock
clock -w #同步系統(tǒng)時(shí)間
七：查看硬盤和分區(qū)df -h
fdisk -l
du -sh #查看當(dāng)前目錄占用空間大小
du /etc -sh #查看/etc目錄占用空間大小
八：查看系統(tǒng)安裝的軟件包cat -n /root/install.log #查看系統(tǒng)默認(rèn)安裝時(shí)的軟件包
more /root/install.log | wc -l #查看當(dāng)前系統(tǒng)安裝的軟件包數(shù)量
rpm -qa
rpm -qa | wc -l
yum list installed | wc -l
九：查看鍵盤布局cat /etc/sysconfig/keyboard
cat /etc/sysconfig/keyboard | grep KEYTABLE | cut -f2 -d=
十：查看selinux是否關(guān)閉sestatus
sestatus | cut -f2 -d:
cat /etc/sysconfig/selinux
系統(tǒng)運(yùn)維
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十一：查看IP地址、網(wǎng)卡mac地址信息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 $1}'
cat /etc/sysconfig/network
cat /etc/resolv.conf #查看DNS
十二：查看系統(tǒng)默認(rèn)語言echo $LANG $LANGUAGE
cat /etc/sysconfig/i18n
十二：查看所屬時(shí)區(qū)和是否使用UTC時(shí)間cat /etc/sysconfig/clock
十三：查看主機(jī)名hostname
cat /etc/sysconfig/network
十四：查看系統(tǒng)開機(jī)運(yùn)行時(shí)間uptime
vmstat 1 -S m procs
備注：相關(guān)資料來源于網(wǎng)絡(luò)，在此表示感謝！
