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:查看内存信息 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位还是64位 getconf LONG_BIT 四:查看当前linux的版本信息 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 五:查看内核版本 uname -r uname -a 六:查看系统当前时间 date clock clock -w #同步系统时间 七:查看硬盘和分区 df -h fdisk -l du -sh #查看当前目录占用空间大小 du /etc -sh #查看/etc目录占用空间大小 八:查看系统安装的软件包 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 九:查看键盘布局 cat /etc/sysconfig/keyboard cat /etc/sysconfig/keyboard | grep KEYTABLE | cut -f2 -d= 十:查看selinux是否关闭 sestatus sestatus | cut -f2 -d: cat /etc/sysconfig/selinux 十一:查看IP地址、网卡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:查看系统默认语言 echo $LANG $LANGUAGE cat /etc/sysconfig/i18n 十二:查看所属时区和是否使用UTC时间 cat /etc/sysconfig/clock 十三:查看主机名 hostname cat /etc/sysconfig/network 十四:查看系统开机运行时间 uptime vmstat 1 -S m procs (责任编辑:IT) |