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LINUX查看系统配置

 
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拿到一个系统,肯定要看看系统配置,linux下看配置,可没有windows那么直观。你只能一个一个查看。
一:cpu
[root@srv /]# more /proc/cpuinfo | grep "model name"
model name       : Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
model name       : Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
model name       : Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
model name       : Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
[root@srv /]# grep "model name" /proc/cpuinfo
model name       : Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
model name       : Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
model name       : Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
model name       : Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
[root@srv /]# grep "model name" /proc/cpuinfo | cut -f2 -d:
Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
Intel(R) Xeon(R) CPU            X3220 @ 2.40GHz
二:内存
[root@srv /]# grep MemTotal /proc/meminfo
MemTotal:        614400 kB
[root@srv /]# free -m
                    total        used        free      shared     buffers      cached
Mem:            600          23         576           0           0           0
-/+ buffers/cache:          23         576
Swap:             0           0           0
[root@srv /]# free -m |grep "Mem" | awk '{print $2}'
600
三:查看CPU位数(32 or 64)
[root@srv /]# getconf LONG_BIT
32
四:查看linux版本
[root@srv /]# more /etc/redhat-release
CentOS release 5 (Final)
[root@srv /]# more /etc/issue
CentOS release 5 (Final)
Kernel \r on an \m

[root@srv /]# more /proc/version
Linux version 2.6.18-92.1.18.el5.028stab060.2PAE ([email=root@rhel5-32-build-xemul]root@rhel5-32-build-xemul[/email]) (gc
c version 4.1.2 20071124 (Red Hat 4.1.2-42)) #1 SMP Tue Jan 13 12:31:30 MSK 2009
五:查看内核版本
[root@srv /]# uname -r
2.6.18-92.1.18.el5.028stab060.2PAE
[root@srv /]# uname -a
Linux srv.eddiechen.cn 2.6.18-92.1.18.el5.028stab060.2PAE #1 SMP Tue Jan 13 12:31:30 MSK 2009 i686 i686 i386 GNU/Linux
六:查看时区
[root@srv /]# date -R
Wed, 25 Feb 2009 02:20:50 +0000
[root@srv /]# mv /etc/localtime /etc/localtime.save
[root@srv /]# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
[root@srv /]# date -R
Wed, 25 Feb 2009 10:24:26 +0800
七:主机名
[root@srv /]# hostname
srv.eddiechen.cn
八:查看selinux情况
[root@srv /]# sestatus
SELinux status:                  disabled
九:网络
IP
[root@srv /]# ifconfig    | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}'
207.154.202.216
网关
[root@srv /]# cat /etc/sysconfig/network
NETWORKING="yes"
GATEWAY="192.0.2.1"
HOSTNAME="srv.eddiechen.cn"
dns
[root@srv /]# cat /etc/resolv.conf
nameserver 208.74.168.131
nameserver 208.74.168.132
nameserver 4.2.2.1
十:已经安装的软件包
[root@srv /]# rpm -qa | wc -l
197
[root@srv /]# yum list installed | wc -l
198
十一:磁盘和分区
[root@srv /]# df -h
Filesystem             Size       Used             Avail Use      %      Mounted on
/dev/simfs              10G     353M              9.7G          4%      /
[root@srv /]# du -sh
353M
[root@srv /]# du /etc -sh
4.6M     /etc
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